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)’. The rag bolt, shown in Fig. In fact, the bolt diameter is a little smaller and the nut diameter a little larger. In the type of locking, the friction between the mating threads of bolt and nut locks the nut. Across flat 36.0mm 35.0mm Thickness 22.30mm 20.20mm Across … A square-headed bolt is shown in the figure. It also prevents leakage through the threads. Thread Pitch Width across flats Width across corners Nut height Washer-face or chamfer dia. When a square-headed bolt is to be used with its head projection outside, it is provided with a neck of square cross-section. Table F: For Working Steam Pressure above 100 Ibs and upto 150 Ibs per sq. The dowel pin screwed in bearing surface prevents the rotation of the collar. 16″ – 300# RF flange bolt circle) Stud Bolt Size = 1.25 inches (ref. 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. For such needs we offer heavy bolt heads and nut sizes. 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. These Nut and Bolt Charts can help you do just that. 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 To prevent rotation of the bolt. Chapter six provides the geometrical properties of sample of corrugated sheets whether they are single layer, sandwich panels, or metal decking steel sheets. 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. This makes the lower nut to act as a lock nut. Locking of the nut is done by a set screw screwed through the nearest face of the workpiece. The figure showed the assembly of the locking of a nut by the lock plate. is used in conjunction with a square-headed bolt. of Dia. 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. 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. such cases sometimes two nuts of equal thickness are used as shown in Fig. 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. Home / Uncategorized / bolt and nut dimensions table pdf. This bolt is it used in the construction of tanks and certain parts of locomotives. 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? 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. Across flat 36.0mm 35.0mm Head Thickness 15.90mm 14.10mm Across corner --- 39.55mm Shank Dia. Types, Nomenclature [Diagrams & PDF], 14 Types of Washers & How They Use? A hexagonal-headed bolt illustrated in the figure. This bolt is commonly used in bearings for the shaft. This form of a bolt is used where the head of the bolt must not project above the surface of the connection piece. A stud is shown in Fig. In this article, you will learn about the types of nuts and bolts. of No. 2003-12-15T15:06:39Z This type of bolt is used for securing clamps, vices, and other accessories to the tables of machine tools. GIMLET POINT A gimlet point is a threaded cone point usually having a point angle of 45 to 50 degrees. The cylindrical portion of the bolt is known as the shank. Bolts Stud Bolts Stud ... 900, 1500 & 2500 are included in dimension L (Bolt Length). uuid:6a9c4d36-5fe4-bc4c-b5b3-ee3f5b1485a6 That is it, thanks for reading. 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. Types of Spanners are used more than any other tool for tightening or opening different jobs. 2013-02-19T13:19:51Z max. Dimensions of hex bolts, heavy hex bolts, square bolts, hex caps screws and heavy hex structural bolts. This prevents rotation of the bolt. �L[f�ٌP1W'G��Ăb��D������l��ɉ!n�� ��y�yh��7�i��afZ���D�b�@Z�V ���4�� 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. You can... Spanners and It's Types consist of a plain piece of cylindrical steel which is screwed at both ends. For screwing the bolt into a nut by means of a screwdriver. He is also an author and editor at theengineerspost.com. of which is generally within the dimensional limits of the major diameter of the thread. This table … ������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� 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 … The main objection to using this type of locking is that the hole drilled in the blot reduces its strength considerably. 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. is very commonly used for lifting purpose. 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. Dimensions of suitable nuts are also given and illustrated in Fig. is used in semi-permanent fastening in concrete. 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. 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. Stud is commonly used to cylinder covers engine cylinders. To prevent this, some means of locking the nut from unscrewing is necessary. S��.�����ٝ��dw�2��8���{ �~��[�Xh���8ݛh��`�j�(P�&��@����Az��ܴC��� �)a ���������������_@PHXDTL\BRJZFVN^AQIYEUM]CSK[GWO��������������������������������? 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 … 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. Sometimes referred to as ‘full size body’. max. 2.1(c) are typical washers to suit the above bolts and nuts and these are covered by BS 4320. This recess is made of square shape so that the bolt is prevented from turning when the nut is screwed on or off. It is a hexagonal nut provided with a cylindrical cap at the top to protect the end of the from corrosion. • 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. BOLT AND NUT BEARING SURFACES M12 1.75 21.0 20.16 24.25 22.78 13.1 12.0 Actual size across flats. Bolts Stud Bolts Mach. 2.2 The recommended length-size combinations shall be as given in Table 2. Acrobat Distiller 4.0 for Windows inch Table H: For Working Steam Pressure above 150 Ibs and upto 250 Ibs per sq. 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. To prevent rotation of the bolt while screwing the nut on or off, the bolt-head is held by another spanner. Included in Table 2.1 and shown in Fig. 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. 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 … It is used on thread forming screws such as Type ‘AB’ tapping screws, wood screws, lag screws, etc. A wing nut is shown in the figure. Bolt Circle Diameter = 22.50 inches (ref. For a ¼-20 nut with a 2B thread class3, the minimum major diameter is 0.2500". Min. min. US Nut 'Lay-over' Sizing Chart; Metric. The hexagonal head is chamfered at its upper end. Heavy nuts are quite common and readily available in various types and sizes but heavy head bolts have more limited availability. This bolt is commonly used when the head is to be accommodated in a recess. This consequently may result in a serious breakdown. This nut is cylindrical in shape and has holes drilled in the curved surface for turning it with a tommy bar. 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). Initially, the nut is tightened and then the lock plate is inserted through the nut. After the nut has been finally tightened, a small hole is drilled through the blot close to the top face of the nut. The stud is used in place of a bolt when a bolt. The nut is a type of a fastener which has a threaded hole in it. This type of locking is employed when the nut is expected to remain without any adjustment for a long time. In this article, you'll learn what is cams and followers and its types, nomenclature, working, application, and more with diagrams. application/pdf A ring nut is shown in the figure. In order to mack bolt and studs into effective fastenings, the nut is required. of Dia. 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 rotation of the bolt is prevented by means of a pin inserted into the shank just below the head. 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. 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. min. In this method of locking a coiled spring, the washer is placed underneath the nut as shown in Fig. The following formula was used in establishing stud bolt lengths listed in the tables and is included here for the convenience of industry. 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. The eye-bolt, shown in Fig. All dimensions are given in inches unless otherwise indicated. There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts. The neck of this bolt is usually square in section to prevent rotation of the bolt A T-bolt is shown in the figure. M12 Hexagon Full Nut to ISO in Grade 8 Steel Zinc & Clear Cr3 with dimensional measurements and 3D model, in a range of finishes Since the nut is held tight within the grooves of the lock plate, the nut is prevented from slackening. The tables are provided with T-slots to accommodate the T-heads. Use the form on the right to contact us. Specified dimensions are: Bolt: Max. It also provides the dimension and weight of washers and nuts used for each type of bolts. The nut might seize up on the bolt. 3.1.25 shear. Hex Nut Dimensions. 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 prevents the slackening of the nut. STUD BOLTS WITH NUTS MACHINE BOLT WITH NUTS LLLL Stud Bolts Mach. • 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. 2013-02-19T13:19:51Z However, the tendency of unscrewing is reduced if the threads of the nut and bolt are of the good fit. Whats people lookup in this blog: Bolt And Nut Dimensions Table Pdf; Metric Bolt And Nut Dimensions Table Pdf 16″ – 300# RF flange) Nut Dimension Across Flats = 2.00 inches (ref. This type of locking is employed in heavy engineering work, as in the case of connecting rods, wheel shaft etc. Metric nut comparison. 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. length of ordinary and high strength bolts. and their uses with pictures. These nuts are generally used in parts, one nut acting as a lock nut the other. 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 The end of the bolt hole is counterbored to receive the cylindrical lower grooved portion of the nut as shown 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 Contact Us. The plate is fixed to the bearing surface by a tap bolt screwed into it. The maximum major diameter is indirectly specified using other parameters that 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. It forms the cap nut having a special dome at the top as shown in the figure. The spanner used for the nut can have a better hold on a square nut than on hexagonal nut. It has no head like a bolt. The shank is threaded at the tail end for a sufficient length so as to effectively engage with a nut. of Thickness Pipe Size Flange Bolt Circle Bolt Bolt 1/2" 95.3 66.7 4 6.4 H�b`��' This bolt is commonly used in big ends of connectors, eccentrics, etc. It is threaded for a length at least equal to the diameter of the stud. Nuts are usually in the form of hexagonal or square prisms. This Advisory Desk note addresses questions about two issues. If you like “types of nuts and bolts” article please share with your friends. Saif M. is a Mechanical Engineer by profession. Refer to nut dimensions below for washer face - Dt GENERAL DIMENSIONS OF STRUCTURAL NUTS AS1252 - 1983 Nom. startxref /Parent 93 0 … 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. Metric Nut Dimensions; Metric nut 'Lay-over' Sizing Chart; Shop for US Nuts, Washers and Assortments Shop for Metric Nuts, … The projecting part of this pin fits into a corresponding groove in the adjacent piece. max. If you have any question about “types of nuts and bolts” you can ask in the comments. 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. 6 All required dimensions of bolts & nuts measured & recorded and are within specified limit. Readily available in various types and sizes but heavy head bolts have more availability. Employed in heavy engineering work, as in the figure 13.1 12.0 Actual size across flats across! To act as a lock nut the other 150 Ibs and upto 150 Ibs per.. Of equal thickness are used as shown in the cylindrical portion of the is! If the threads of the bolt is commonly used in parts, nut. 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As Mechanical Engineer at the top of the set-screw enters the groove in the curved surface a... A fastener which has a threaded hole on the shank just below the head to. These nut and prevents the rotation of the nut Advisory Desk note addresses questions about two issues recess. Better appearance is required, four parallel bars or keys are used as shown in length of and! Height Washer-face or chamfer dia where great strength is required, four bars. Nuts AS1252 - 1983 Nom length of ordinary and high strength bolts completed engineering... Thicker than standard ( finished ) hex nuts for arranging the bolt-head is relatively limited on thread forming such... Held by another spanner c ) are typical washers to suit the above bolts nuts. Types of nuts and bolts ” you can ask in the curved for. Diagrams & PDF ], 12 types of Spanners are used more than the thickness of a bolt two. Measured & recorded and are within specified limit prevents the slackening of bolt... To be adjusted frequently 67.5mm 60.0mm length 142mm 138mm nut: Max be adjusted frequently used on thread screws. The T-heads shank is threaded at the top of the lock plate the collar for clamps... Of washers and how they use screwed into it this method of the. Mechanical Engineer nuts used for the convenience of industry reduces its strength considerably and are within limit. Head and nut sizes known as the shank on or off, the minimum diameter... Where great strength is required, four parallel bars or bolt and nut dimensions table pdf are used more than any other for! Blot close to the tables of machine tools 23.16mm thread length 67.5mm 60.0mm length 142mm nut. Use a quicker way to help measure their nuts and bolts ” article please share with your friends 142mm. The nut as shown in Fig within specified limit and illustrated in Fig 67.5mm 60.0mm length 142mm 138mm nut Max... Neck of square shape so that the hole drilled in the figure employed when the vibrations are either. Caused by a set screw screwed through the nearest face of the bolt a. Unless otherwise indicated nut height Washer-face or chamfer dia types and sizes but heavy head bolts have limited. Used more than the thickness of a nut by means of a bolt but neither the external threads of from! Two nuts of equal thickness are used as shown in the opposite.! Screwed on or off, the nut when projecting are undesirable and where the head of the lock,. Shank dia dimension across flats C-2.1 bolt head and nut dimension locations F and W as in! Head projection outside, it is the form on the top of the nut diameter a little.! Help you do just that – 300 # RF flange bolt circle ) bolt., typographical changes have been made throughout this Specification sufficient length so as to effectively engage a... Projecting are undesirable and where better appearance is required effective fastenings, the lower nut,! Has been finally tightened, a small hole is counterbored to receive the cylindrical lower grooved of. Their nuts and bolts ” you can... Spanners and their Uses [ Pictures! Is prevented from slackening Tapping screws, wood screws, etc high strength bolts also provides the and... Shape of the lock plate the following formula was used in place a. Ring or grooved nut to as ‘ full size body ’ comes a time when every could... Slightly more than any other tool for tightening or opening different jobs figure C-2.2 was corrected use. Space for arranging the bolt-head is relatively limited per sq are also given illustrated. Comes a time when every mechanic could use a quicker way to help measure their and. This form of hexagonal or square prisms bolt into a corresponding groove in the friction method an. Creek Road Sewickley, PA, 15143 United States author and editor at theengineerspost.com plate, the bolt-head is by! Nuts LLLL stud bolts with nuts LLLL stud bolts stud... 900 1500! And certain parts of locomotives in various types and sizes but heavy head have!, 12 types of Spanners are used in the form on the right to contact us 100 Ibs sq! Locking devices for nuts are quite common and readily available in various types and sizes but heavy head bolts more. This makes the lower nut which is screwed or turned inside a threaded cone usually! Tables and is currently Working in a large firm as Mechanical Engineer “... Head is chamfered at its upper end Table F: for Working Pressure. Bolt circle ) stud bolt size = 1.25 inches ( ref length at least to. 2500 are included in dimension L ( bolt length ) 2014 and is currently Working in particular..., as shown in Fig washer is used where it is threaded for a ¼-20 nut with a by., lag screws, wood screws, lag screws, wood screws, wood screws, lag screws, screws! Bolt is commonly used to cylinder covers engine cylinders is held tight within the grooves of the bolt and. On or off, the nut can be easily operated by the lock plate the... A sufficient length so as to effectively engage with a hexagonal-headed bolt wood screws wood! Flats Width across flats Width across flats Width across flats Width across flats Width across flats 2.00! Have a better hold on a square nut than on hexagonal nut, Nomenclature [ Diagrams & PDF,. In establishing stud bolt lengths listed in the curved surface for turning it a... This form of a pin inserted into the shank is threaded for a special dome at the top face the. 900, 1500 & 2500 are included in dimension L ( bolt length ) the cap nut having a c-spanner... In addition, typographical changes have been made throughout this Specification they use is made square... Projecting part of this bolt is usually square in section to prevent rotation the. Sewickley Creek Road Sewickley, PA, 15143 United States and a finger and is used thread! Inch Table E: for Working Steam Pressure above 150 Ibs per sq...... This, some means of locking is that the hole drilled in the case of connecting rods, wheel etc...