This is the most common form of nut used for the general fastening purpose in conjunction with a hexagonal-headed bolt. This nut is cylindrical in shape and has holes drilled in the curved surface for turning it with a tommy bar. Refer to nut dimensions below for washer face - Dt GENERAL DIMENSIONS OF STRUCTURAL NUTS AS1252 - 1983 Nom. The dowel pin screwed in bearing surface prevents the rotation of the collar. Bolts Stud Bolts Stud ... 900, 1500 & 2500 are included in dimension L (Bolt Length). Dimensions of suitable nuts are also given and illustrated in Fig. 6 All required dimensions of bolts & nuts measured & recorded and are within specified limit. 2013-02-19T13:19:51Z When the nut is tightened over a bolt, the lower flanks of the threads of the bolt will be in contact with the upper flanks of threads of the nut. This type of locking is employed when the nut is expected to remain without any adjustment for a long time. Locking of the nut is done by a set screw screwed through the nearest face of the workpiece. 2013-02-19T13:19:51Z Now the upper nut is held by a spanner While the lower nut is pull in the opposite direction. GIMLET POINT A gimlet point is a threaded cone point usually having a point angle of 45 to 50 degrees. application/pdf This is used for fastening wooden parts together or for fastening metal parts to wood it has squared portion directly under the head to prevent rotating when the nut is tightened or slackened. The other end called the metal end. This cause the lower flanks of threads of the lower nut to come in contact with the upper flanks of the threads of the bolt causing a wedging action between them. Heavy hex nuts are slightly larger and thicker than standard (finished) hex nuts. inch Table H: For Working Steam Pressure above 150 Ibs and upto 250 Ibs per sq. Bolt, Nut and Screw Charts. STUD BOLTS WITH NUTS MACHINE BOLT WITH NUTS LLLL Stud Bolts Mach. This is also used in cases where there is no room for a bolt hole through one of the pieces to be connected, or in cases where a bolt hole would seriously weaken a piece. Nuts are usually in the form of hexagonal or square prisms. Electric motors and medium and lightweight machinery are equipped with one or more eye-bolt so that they may be readily lifted and moved by an overhead crane. In this method of locking a coiled spring, the washer is placed underneath the nut as shown in Fig. It is a hexagonal nut provided with a cylindrical cap at the top to protect the end of the from corrosion. A hexagonal-headed bolt illustrated in the figure. endstream endobj 71 0 obj <>/Encoding<>>>>> endobj 15 0 obj <> endobj 13 0 obj <> endobj 14 0 obj <> endobj 20 0 obj <> endobj 21 0 obj <>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageB]/ExtGState<>>> endobj 22 0 obj <> endobj 33 0 obj <> endobj 42 0 obj <> endobj 37 0 obj <> endobj 32 0 obj <> endobj 31 0 obj <> endobj 30 0 obj <> endobj 29 0 obj <> endobj 28 0 obj <> endobj 49 0 obj <> endobj 23 0 obj <> endobj 24 0 obj <> endobj 48 0 obj <> endobj 25 0 obj <> endobj 36 0 obj <> endobj 41 0 obj <> endobj 26 0 obj <> endobj 27 0 obj [/ICCBased 46 0 R] endobj 46 0 obj <>stream of Thickness Pipe Size Flange Bolt Circle Bolt Bolt 1/2" 95.3 66.7 4 6.4 The nut-end is threaded for a length slightly more than the thickness of a nut or nuts to be used. Metric (millimeter) bolt and nut substitutions will be allowed in accordance with these tables. is used in conjunction with a square-headed bolt. Length shown in These are generally made of... © Copyright 2020 TheEngineersPost.com - All Rights Reserved, List of 20 Different Types of Nuts and Bolts, Shaper machine types, parts, operations and more, Cams and Followers: How they Work? is very commonly used for lifting purpose. There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts. In fact, the bolt diameter is a little smaller and the nut diameter a little larger. The projecting part of this pin fits into a corresponding groove in the adjacent piece. of No. Types, Nomenclature [Diagrams & PDF], 14 Types of Washers & How They Use? The neck of this bolt is usually square in section to prevent rotation of the bolt A T-bolt is shown in the figure. A-325 TYPE 3 A-449 TYPE 1 DIAM < 1.5" DIAM > 1.5" A-354 GRADE BD A-490 TYPE 1 A194 GRADE 2H Dimensions of hex bolts, heavy hex bolts, square bolts, hex caps screws and heavy hex structural bolts. Where great strength is required, four parallel bars or keys are used in addition. To prevent rotation of the bolt. The hook bolt, shown Fig. A carriage bolt is shown in the figure. In the type of locking, the friction between the mating threads of bolt and nut locks the nut. 2.1(b). This form of a bolt is used where the head of the bolt must not project above the surface of the connection piece. The eye-bolt, shown in Fig. Cap nuts commonly used in smoke-boxes locomotives. Contact Us. For screwing the bolt into a nut by means of a screwdriver. Stud is commonly used to cylinder covers engine cylinders. inch Table E: For Working Steam Pressure 50 Ibs upto 100 Ibs per sq. Bolts Stud Bolts Mach. In the friction method either an additional nut called lock nut, or a spring washer is used to lock the nut. Hex Bolts 8.8 Cup Squares Bolt & Nut Grub Screws Hex Socket Button Head Screws Hex Socket Countersunk Head Screws Hex Socket Head Cap Screws Hex Socket Head Shoulder Screws Hex Bolt & Nut (XOX) Gutter Bolts Flange Bolts (Tensilock) Threaded Rods Eye Bolts U-Bolts Wheel Bolt & Studs 43 Feet Adjuster Chain Chain Quick Links20 Carbine Hooks D Shackles Wire Rope Clamps Ferrules … To prevent rotation of the bolt while screwing the nut on or off, the bolt-head is held by another spanner. 19.20 M16 2.0 27.0 26.16 31.2 29.56 17.1 16.0 24.90 M20 2.5 … You can edit the text in this area, and change where the contact form on the right submits to, by entering edit mode using the modes on the bottom right. This bolt is it used in the construction of tanks and certain parts of locomotives. These nuts are generally used in parts, one nut acting as a lock nut the other. Theoretically, the lower nut which is a lock nut may be the thin nut as shown fig. is used in semi-permanent fastening in concrete. Metric nut comparison. A hexagonal nut is shown in Fig. consist of a plain piece of cylindrical steel which is screwed at both ends. This type of bolt is used for securing clamps, vices, and other accessories to the tables of machine tools. The split pin is then inserted in the hole and the split ends of the pin are opened so as to prevent it from coming out while in use. A headed and threaded bolt used without a nut inserted into an internally tapped hole and tension is induced by rotation of the screw head (see figure 1). with [Pictures & PDF], 12 Types of Spanners and Their Uses [with Pictures] PDF. The projecting dog-end of the set-screw enters the groove in the cylindrical portion of the nut and prevents the slackening of the nut. This nut can be easily operated by the thumb and a finger and is used where it is required to be adjusted frequently. Since the nut is held tight within the grooves of the lock plate, the nut is prevented from slackening. The following formula was used in establishing stud bolt lengths listed in the tables and is included here for the convenience of industry. �L[f�ٌP1W'G��Ăb��D������l��ɉ!n�� ��y�yh��7�i��afZ���D�b�@Z�V ���4�� A square nut, shown in fig. Specified dimensions are: Bolt: Max. In order to mack bolt and studs into effective fastenings, the nut is required. M12 1.75 21.0 20.16 24.25 22.78 13.1 12.0 Actual size across flats. The rag bolt, shown in Fig. So the hook bolt is used for attaching shaft hangers to the flanges of joists and girders. of Dia. ��䛬b()*H�m��Wb(;H��w��s���^䗤V���ɚ Posted on 09/18/2020 by — Leave a comment bolt and nut dimensions table pdf C [ PD 鵽|bMj ̻5F;3C k;oF s PTF ,kj8 _ s r1 ; 9A3B = Ÿ ` E T /ُ ɠ}) ' Z e)ν M Y & X t g MU W+E Ǹ 8 m 3 F Metric nut comparison. It has no head like a bolt. fortress engineers bolt & nut - galvanised class 4.6 fortress engineers bolt & nut - galvanised class 4.6 size pack qty code size pack qty code m16 x 75 20 bnm1675g m20 x 150 10 bnm20150g m16 x 80 20 bnm1680g m20 x 160 10 bnm20160g m16 x 90 20 bnm1690g m20 x 180 10 bnm20180g m16 x 100 15 bnm16100g m20 x 200 10 bnm20200g m16 x 110 15 bnm16110g m20 x 220 10 bnm20220g m16 x 120 … When the vibrations are high either a double coiled or triple coiled spring washer is used. H�b`��' It is used on thread forming screws such as Type ‘AB’ tapping screws, wood screws, lag screws, etc. These Nut and Bolt Charts can help you do just that. Initially, the nut is tightened and then the lock plate is inserted through the nut. Table F: For Working Steam Pressure above 100 Ibs and upto 150 Ibs per sq. This makes the lower nut to act as a lock nut. After the nut is tightened the tab and the projecting portion of the washer itself are bent to bear against the vertical surface of the workpiece and one of the lateral faces of the nut or, the bolt head. Hole Sizes) 1-24 Thumb and Wing Screws 1-25 to 1-27 B7 Studs and Nuts Stud Bolts for Pressure-Temperature Piping 2-1 General Purpose End-to-End Studs 2-2 Tap End Stud Bolts 2-3 Double End Stud Bolts 2-4 Bolts Hex Cap Screws (Finished Hex Bolts… The plate is fixed to the bearing surface by a tap bolt screwed into it. A ring nut is shown in the figure. Bolt users may require a bolt head or nut of greater width to compensate for wide clearance in bolt holes or unusually heavy loading. 16″ – 300# RF flange bolt circle) Stud Bolt Size = 1.25 inches (ref. This virtually makes the upper nut to take up all to load, While the lower nut to function simply as a washer since there will not be any contact between the threads of the bolt and the lower nut. Bolt Circle Diameter = 22.50 inches (ref. It is the form of a ring provided with slots in the curved surface for a special c-spanner. The types of nuts and bolts used in the moving parts of machinery will be subjected to continuous vibration and in addition, sometimes, required to carry varying axial load also, for example, as the crossheads and connecting rods of an engine. Metric Nut Dimensions; Metric nut 'Lay-over' Sizing Chart; Shop for US Nuts, Washers and Assortments Shop for Metric Nuts, … This is shown in Fig. USS and SAE Washer Dimensions Table; Ogee Washer Dimensions; USS Flat Washer Size Chart; SAE Flat Washer Size Chart Our printable 'lay-over' sizing charts for measuring and distinguishing between USS and SAE pattern washers. This bolt is used when projecting are undesirable and where better appearance is required. Bolt And Nut Size Table Pdf masuzi November 14, 2018 Uncategorized Leave a comment 6 Views Bolt depot printable fastener tools bolt head size chart fastener pdf bolt nuts dimensions danny bolt depot printable fastener tools If you have any question about “types of nuts and bolts” you can ask in the comments. ���%��� Across flat 36.0mm 35.0mm Thickness 22.30mm 20.20mm Across … This bolt is commonly used in bearings for the shaft. inch Nominal Dia. min. The plate is grooved in such a way that the grooves in the plate receive the hexagonal corners of the nut at every 30° rotation. The figure showed the assembly of the locking of a nut by the lock plate. A wing nut is shown in the figure. You can... Spanners and It's Types The main objection to using this type of locking is that the hole drilled in the blot reduces its strength considerably. When another nut is screwed down hard over the lower nut, it tends to pull the bolt through the lower nut. The hexagonal head is chamfered at its upper end. The various locking devices for nuts are classified into positive and friction types. The cylindrical portion of the bolt is known as the shank. The rotation of the bolt is prevented by means of a pin inserted into the shank just below the head. When a square-headed bolt is to be used with its head projection outside, it is provided with a neck of square cross-section. %PDF-1.6 %���� Min. Sometimes referred to as ‘full size body’. He completed his engineering studies in 2014 and is currently working in a large firm as Mechanical Engineer. That is it, thanks for reading. The nut is a type of a fastener which has a threaded hole in it. When a nut is tightened over the bolt, a small working clearance exists between the threads of a nut and bolt even in the highest class of fits. Acrobat Distiller 4.0 for Windows Metric Hex Bolt Dimensions : m10 bolt|m12 bolt|m14 bolt|m16 bolt|m20 bolt|m24 bolt|m30 bolt|m36 bolt|m42 bolt|m48 bolt|m56 bolt|m64 bolt|m72 bolt|m80 bolt|m90 bolt|m100 bolt Check Metric Hex Bolt Dimensions Weight Chart/ Finished Hex Nut Dimensions Weight Chart /Heavy Hex Nut Dimensions & Nut Weight Chart • Commentary Table C-2.1 bolt head and nut dimension locations F and W as shown in the artwork Figure C-2.2 was corrected. Whats people lookup in this blog: Bolt And Nut Dimensions Table Pdf; Metric Bolt And Nut Dimensions Table Pdf such cases sometimes two nuts of equal thickness are used as shown in Fig. It forms the cap nut having a special dome at the top as shown in the figure. Hex Nut Dimensions. 2.3 Threads shall conform to tolerance class 6g of IS : 4218 (Part 6)-1978 ‘ISO metric screw threads: Part 6 Limits of sizes for commercial bolts and nuts (diameter range 1 to 52 mm) (first revision)’. Typical examples of the bolt for special purposes are as follows: A stove bolt has a round flat head which is bevelled on the underside to fit a countersunk hole, it is provided with a slot on the head, as shown in the figure. � r���� { ��. • Table 6.1, footnote d, was added to clarify use of non-hardened plate washer to be used in conjunction with an ASTM F436 hardened washer. The tables are provided with T-slots to accommodate the T-heads. Chapter six provides the geometrical properties of sample of corrugated sheets whether they are single layer, sandwich panels, or metal decking steel sheets. min. The nut is always used in joining with a mating bolt to fasten various parts together. 19 0 obj <> endobj 16 0 obj <>stream This type of bolt is used where projecting corners are unacceptable, and where the space for arranging the bolt-head is relatively limited. The simplest method of locking a nut using a split pin is shown in the figure. Free Bolt Size Charts - Screw Charts - Nut Size Charts - All Charts are downloadable and printable pdf formats - Great Online Mechanics Tools for Metric and US . This is used for assemblies where precision is of no great importance, and it is desirable to have the head of the bolt flush with the surface of the work. The transverse rupture caused by a pushing or pulling force 90 degrees from the axis of the bolt. Across flat 36.0mm 35.0mm Head Thickness 15.90mm 14.10mm Across corner --- 39.55mm Shank Dia. length of ordinary and high strength bolts. A stud is shown in Fig. For such needs we offer heavy bolt heads and nut sizes. After the nut has been finally tightened, a small hole is drilled through the blot close to the top face of the nut. CARBON STEEL PIPE FLANGES TO ANSI B16.5 (BS 1560) FORGINGS TO ASTM A105 - Not recommended for prolonged use above 427qC FORGINGS TO ASTM A350 - LF2 - Not to be used above 343qC-29 to … This prevents the slackening of the nut. The nut might seize up on the bolt. To prevent this, some means of locking the nut from unscrewing is necessary. 2.1(c) are typical washers to suit the above bolts and nuts and these are covered by BS 4320. when the nut is tightened, the spring force of the spring exerts an axial force on the underside of the nut and holds it by the friction grip. Bolt Lengths – Table 3, BS 5950-2: 2001 Following the publication of AD 263 concerning the limitations of bolt grades in BS 5950-1 and Eurocode 3, we have received several questions regarding Clause 4.3.1 and Table 3 to BS 5950-2: 2001. The shank is threaded at the tail end for a sufficient length so as to effectively engage with a nut. This method of locking of nut or bolt head is suitable when the nut or bolt head is placed near the vertical edge of the workpiece. �y�z(� Appendix A Fastener Head Dimension Tables 21 Appendix B ... For example, a bolt and nut may be described as being ½” diameter. uuid:6a9c4d36-5fe4-bc4c-b5b3-ee3f5b1485a6 2003-12-15T15:06:39Z Included in Table 2.1 and shown in Fig. The other equally important objection is that after continuous use swing to the stretch of the bolt the split pin may not rest on the top face of the nut which may reduce the locking effect. For a ¼-20 nut with a 2B thread class3, the minimum major diameter is 0.2500". This consequently may result in a serious breakdown. This bolt is commonly used when the head is to be accommodated in a recess. It may be provided with a snack or a neck to prevent rotation of the bolt. US Nut 'Lay-over' Sizing Chart; Metric. uuid:23fe8ca1-16a5-7c46-8e0e-b529f229c8a4 A hexagonal nut provided with a cylindrical grooved collar at its the lower end is called Penn to ring or grooved nut. The maximum major diameter is indirectly specified using other parameters that Academia.edu is a platform for academics to share research papers. This type of bolt is used in attaching parts to brick, stone or concrete walls and floors hee bolt has an internally threaded split sleeve which is slipped into a hole made in the wall and then expanded by running in the screw. �)�I� The empirical proportions of the lock plate are shown in the figure. This type of locking is employed in heavy engineering work, as in the case of connecting rods, wheel shaft etc. S��.�����ٝ��dw�2��8���{ �~��[�Xh���8ݛh��`�j�(P�&��@����Az��ܴC��� �)a ���������������_@PHXDTL\BRJZFVN^AQIYEUM]CSK[GWO��������������������������������? However, the tendency of unscrewing is reduced if the threads of the nut and bolt are of the good fit. Figure 2.2(a) shows the bolt proportions and Table 2.1 the dimensions for bolts in common use. This recess is made of square shape so that the bolt is prevented from turning when the nut is screwed on or off. Under such conditions because of the working clearance existing between the mating threads, the nut develops a tendency to work loose or unscrew by itself. max. A single coiled spring washer will be sufficient for light classes of work. AWHEM Recommendation For Stud Bolts and Tap End Studs For API Spec 6A 4 2.0 METHOD OF CALCULATING STUD BOLT LENGTHS FOR TYPE 6B AND 6BX FLANGES 2.0a CALCULATION. ������P��쾃�d� ��?�85�%E&��t�~���b���ٕ������OI-N�:��'1I!�(?-3'��`' ,U���5H��e�ϲ%� 1e�P\�>���S�~�_� ���GDF)@l�v �(/�"ۯ���[G�d��2���$�X� Heavy nuts are quite common and readily available in various types and sizes but heavy head bolts have more limited availability. Types of Spanners are used more than any other tool for tightening or opening different jobs. of which is generally within the dimensional limits of the major diameter of the thread. and their uses with pictures. The basis of the Franklin Institute or United States standard for the heads of bolts and for nuts is as follows: The short diameter or width across the flats is equal to one and one-half times the diameter plus 1/8 inch for rough or unfinished bolts and nuts, and one and one-half times the bolt diameter plus, 1/16 inch for finished heads and nuts. The positive methods of locking make use of a split pin, or a screw, or a lock plate, or a tab washer to lock the nut. All dimensions are given in inches unless otherwise indicated. But as it required a special thin spanner to turn it, in practice it is more usual to place taking nut below the lock nut as shown in Fig. In addition, typographical changes have been made throughout this Specification. No substitution will be allowed for any A325 bolts supplied under §715-14 and used for structural connections on bridges, unless approved by the DCES. 16″ – 300# RF flange) Nut Dimension Across Flats = 2.00 inches (ref. Use the form on the right to contact us. Nut dia. It also provides the dimension and weight of washers and nuts used for each type of bolts. A bolt contains two parts a shank and head. dimensional data and technical information shown on the fastenerdata website is in the public domain and has not been acquired through the standards agencies, it has been completed and compiled by fastenerdata and is for guidance only; where discrepancies are found they are subject to change without notice. It is usually provided with a sung forged on the shank just below the head, as shown in the figure. In this article, you'll learn what is cams and followers and its types, nomenclature, working, application, and more with diagrams. 2.2 The recommended length-size combinations shall be as given in Table 2. It also prevents leakage through the threads. This prevents rotation of the bolt. D P s e m Dt max. This chapter also includes the dimension and the weight of anchor bolts with various configurations. startxref /Parent 93 0 … A nut may be locked by a screw pin, screwed in the bearing surface adjoining the nut touching one of the lateral faces of the nuts as shown Fig. 0(8$4,�1�q� �I�)�i��Y�9�y��E�%�e��U�5�u� �M�-�m��]�=�}�&N�. Besides these, the cylindrical and other form is used in a particular requirement. He is also an author and editor at theengineerspost.com. The shape of the head is depended upon the purpose for which bolt is required. Saif M. is a Mechanical Engineer by profession. If the nut's minor diameter exceeds the maximum, it might not engage enough thread and the bolt may pull out of the nut when under axial load. Min. The tapered head is cut in an uneven manner (jagged) and moulted lead or sulfur is poured into the taper hole to fill the space between the lead and the stone or the concrete as the case may be. F� This method of locking is possible if the bolt hole is close to the nearest vertical edge as in the case of the marine engine connecting rods. This Advisory Desk note addresses questions about two issues. If you like “types of nuts and bolts” article please share with your friends. M12 Hexagon Full Nut to ISO in Grade 8 Steel Zinc & Clear Cr3 with dimensional measurements and 3D model, in a range of finishes Thread Pitch Width across flats Width across corners Nut height Washer-face or chamfer dia. 2.1 The dimensions of the bolts shall be as given in Table 1. Pdf bolt nuts dimensions danny ferdiansyah academia edu engineering design representation bolt and stud dimensions class 150 2500 robert james s inc asme b18 2 1 dimensions specifications equivalent standards. max. The types of nuts and bolts used in the moving parts of machinery will be subjected to continuous vibration and in addition, sometimes, required to carry varying axial load also, for example, as the crossheads and connecting rods of an engine. The spanner used for the nut can have a better hold on a square nut than on hexagonal nut. 852 Big Sewickley Creek Road Sewickley, PA, 15143 United States. When the bolt hole is not close to the vertical edge of the workpiece, this nut is used in conjunction with a separate collar as shown in the figure. is used for fixing into the stone concrete foundation, the head is wider at the bottom than at the top, and is led into a tapered hole. 724-266-3003. When a nut is tightened over the bolt, a small working clearance exists between the threads of a nut and bolt even in the highest class of fits. This table … But neither the external threads of the bolt nor the internal threads of the nut are exactly .500 in diameter. In this article, you will learn about the types of nuts and bolts. 24.84 mm 23.16mm Thread length 67.5mm 60.0mm Length 142mm 138mm NUT: Max. min. There comes a time when every mechanic could use a quicker way to help measure their Nuts and Bolts. It is screwed or turned inside a threaded hole on the top of the machine. min. The following table of hex nut dimensions was adapted from ASME B18.2.2, Table 1-1, "Dimensions of Square and Hex Machine Screw Nuts." The end of the bolt hole is counterbored to receive the cylindrical lower grooved portion of the nut as shown in the figure. max. Different forms and types of nuts and bolts are as follows: Some of the most commonly used bolts are illustrated below: This is the most common form of a bolt and is used for general fasting purposes. 3.1.25 shear. This bolt is commonly used in big ends of connectors, eccentrics, etc. Home / Uncategorized / bolt and nut dimensions table pdf. DIMENSIONAL CATALOG Table of Contents Page Screws Round Head Screws 1-1 Various Head Styles Machine Scerws 1-2 to 1-23 Tapping Screws (Approx. In this article, you will learn what are 14 different types of washers and how they work? 3.1.26 solution annealing It is threaded for a length at least equal to the diameter of the stud. The stud is used in place of a bolt when a bolt. A washer provided with a rectangular projection is called the tab washer. of Dia. BOLT AND NUT BEARING SURFACES A square-headed bolt is shown in the figure. Is known as the shank is threaded for a ¼-20 nut with a rectangular projection is the... Combinations shall be as given in inches unless otherwise indicated as a nut! Form of hexagonal or square prisms little larger for light classes of work Sewickley Creek Road,. Throughout this Specification just below the head is chamfered at its upper end in section to prevent of. Made throughout this Specification head bolts have more limited availability PDF ] 12. Of nuts and bolts ” you can... Spanners and their Uses with! A T-bolt is shown in length of ordinary and high strength bolts below for washer face - Dt dimensions. Washers to suit the above bolts and nuts used for the shaft the nut diameter a smaller... Another spanner size across flats point angle of 45 to 50 degrees where better appearance is required four! Studies in 2014 and is currently Working in a recess section to prevent rotation of the.. The plate is fixed to the bearing surface prevents the slackening of the proportions! High either a double coiled or triple coiled spring washer will be sufficient for light of... The bolt unscrewing is necessary the hole drilled in the figure is relatively limited heavy hex nuts also... Nuts machine bolt with nuts machine bolt with nuts machine bolt with nuts bolt....500 in diameter spring washer is placed underneath the nut is screwed hard... Required to be used with its head projection outside, it tends to pull the bolt into a groove! Keys are used more than the thickness of a fastener which has a threaded hole it... Length at least equal to the top to protect the end of lock... Groove in the tables of machine tools a hexagonal-headed bolt �M�-�m�� ] �=� �. Refer to nut dimensions below for washer face - Dt GENERAL dimensions of bolts & measured. Proportions and Table 2.1 the dimensions for bolts in common use then the lock plate, the is. This chapter also includes the dimension and the weight of anchor bolts with nuts machine bolt with LLLL... To prevent this, some means of a nut by the lock,! Also includes the dimension and the weight of washers and how they?. Prevented by means of locking is employed when the nut available in various types and sizes but heavy head have... In a recess tightened, a small hole is drilled through the lower nut which is a hexagonal provided... Table H: for Working Steam Pressure above 100 Ibs and upto 250 Ibs per.. The opposite direction learn about the types of nuts and these are covered by BS 4320 138mm:! Of nuts and bolts ” article please share with your friends one nut acting as a lock the! Dimensions of bolts & nuts measured & recorded and are within specified limit Nomenclature [ Diagrams & PDF ] 14! Threaded for a sufficient length so as to effectively engage with a hexagonal-headed bolt forming screws as. About the types of Spanners and it 's types types of washers and they... To lock the nut from unscrewing is necessary bolts and nuts and bolts ” you can... Spanners and Uses. General dimensions of STRUCTURAL nuts AS1252 - 1983 Nom bolt circle ) stud bolt size = 1.25 (... Flange ) nut dimension locations F and W as shown in the figure a type of a plain of! -- - 39.55mm shank dia or opening different jobs a rectangular projection called. For a sufficient length so as to effectively engage with a nut by means of a bolt two! Finished ) hex nuts are slightly larger and thicker than standard ( finished ) nuts..., it tends to pull the bolt must not project above the of. Anchor bolts with nuts LLLL stud bolts Mach both ends and certain parts of locomotives ( finished ) hex are... Point a gimlet point is a lock nut may be provided with in. The shank Uses [ with Pictures ] PDF way to help measure nuts. In parts, one nut acting as a lock nut the external threads of the collar of connecting rods wheel! The nearest face of the nut is bolt and nut dimensions table pdf by another spanner needs we offer heavy bolt and. The adjacent piece sufficient length so as to effectively bolt and nut dimensions table pdf with a or. Heavy engineering work, as shown in the opposite direction to 1-23 screws. 24.25 22.78 13.1 12.0 Actual size across flats a cylindrical cap at top. Tables are provided with a cylindrical cap at the top of the head of the machine corresponding groove the. Typographical changes have been made throughout this Specification bolt and nut dimensions table pdf neither the external threads of bolt... Typographical changes have been made throughout this Specification a corresponding groove in comments! Cap at the top to protect the end of the nut AS1252 - 1983 Nom in the figure 67.5mm. Nut provided with a 2B thread class3, the bolt is usually square in section prevent! Length of ordinary and high strength bolts hangers to the top to protect the of... Nut from unscrewing is reduced if the threads of the bolt is commonly used the. The lower nut, or a neck of this pin fits into a groove... Parallel bars or keys are used in addition, typographical changes have made. Bolts Mach in conjunction with a mating bolt to fasten various parts together between mating... Made throughout this Specification Table C-2.1 bolt head and nut dimension across flats = 2.00 inches ref... 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