Selection of bolts of various types, threads and sizes for. Us hex bolt sizes and thread pitches bolt depot nuts. Cap a nut with a domed top over the end of the fastener. Refer to nut dimensions below for washer face dt general dimensions of structural nuts as1252 1983 nom.
Check this is the latest process zone version before use. Pdf guide to design criteria for bolted and riveted joints second. Sud bolt lengths l do not include the height of points. Technical specification for metric hexagonal bolts, nuts, coach screw, and flat washers. Srjc, engr45, 2012 the nuts and bolts behind engineering. Expansion bolt, often called the molly bolt, for hollow walss plaster board toggle bolt for hollow walls expansion shield for masonry fiber anchor for masonry. Finished hex nuts, grade 8, plain the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Diameter measured across the threaded area thread pitch english system the number of threads per inch thread pitch metric system the distance in millimeters between two adjacent threads imperial size bolt identification example an imperial size bolt that is identified as 38 x 2 x 24. Standard metric hex nuts, types styles 1 and 2 per. Get free 2day shipping on qualified metric, standard, nuts products or buy hardware department products today with buy online pick up in store.
Last digit of part number denotes number of prongs. Standard size stainless steel hexagon bolt and nuts made in china, find complete details about standard size stainless steel hexagon bolt and nuts made in china,hex bolt and nut,bolt nut,bolt from bolts supplier or manufacturershenzhen huaxianglian hardware co. Length of bolts l is shown in millimetres rounded to the nearest 5mm. Dimensions of metric hex nuts metric hex nuts f g h widthnominal thread width across flats across thickness size pitch wrench size corners max min min max min m1. These fasteners are available in metric, bsw, bsf, unc and unf threads. Proof loads and tensile stress metric hexagon bolts. Finished hex head bolts grade 2, 5, 8 and l9 sae grade 2, astm a307 plain hc020 zinc. Always consult the manufacturers instructions or engineering recommendations when making bolted connections. The screws you find at your local hardware store will probably be a relatively rough tolerance class, meaning that the threads are designed to have some gap between them, and also that there will be a large variation in the dimensions of each individual bolt or nut.
Us hex bolt sizes and thread pitches continued mm 10 20 30 40 50 60 70 80 90 100. Elevator bolts elevator bolts are often used in conveyor systems. Hex nuts, zinc plated grade 5 steel, 3410 bolt depot. If the amount of chamfer is such as to leave the chamfer circle as circle a, in figure 153 of smaller diameter than the width across the flats of the bolthead, the outline of the sides of the head will pass above the arcs at the top of the flats, and there will be two small flat places, as a and b, in figure 156 representing the angle of. J bolts shoulder bolts j shaped bolts are used for tiedowns or as an open eye bolt. This website gives no warranty and accepts no responsibility or liability for the accuracy or the completeness of the information and materials contained in this website. Standard size stainless steel hexagon bolt and nuts made.
Uss pattern is the most common type of flat washer. Purchase the unique quantity you need from fmw fasteners today. A194 15 standard specification for carbon steel, alloy steel, and stainless steel nuts for bolts. Nylon insert jam lock a nylock nut with a reduced height. Heavy hex structural bolts 35 highstrength structural bolting 36 carriage bolts and lag bolts 37 square bolts 38 step bolts and countersunk head elevator bolts 39 nuts finished and heavy hex nuts 41 hexagon machine screw nuts 42 type a forged wing nuts 43 hex slotted nuts 44 hex and heavy hex jam nuts 45 to 46. Experiential values are available for adjusting screws. First you want to pick a nut specification that is recognized by the bolt. United states standard dimensions of bolts and nuts. Standard specification for heavy hex structural boltnutwasher assemblies, alloy steel, heat treated, 200 ksi minimum tensile strength f3125 f3125m 19 standard specification for high strength structural bolts and assemblies, steel and alloy steel, heat treated, inch dimensions 120 ksi and 150 ksi minimum tensile strength, and metric. The nuts and bolts behind engineering srjc, engr45, 2012. The maximum major diameter is indirectly specified using other parameters that. Witdth across flats and corners, as well as thickness are to american standard b 18. Finished hex nuts, grade 5, zinc plated the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order.
The following tables provide hex nut and jam nut dimensions per asme ansi b18. Width of tongue used with the tslots will be found in the complete standard, b5. Hex nut thread holes must match the hex bolt post diameter and thread pitch in order to tighten properly. American national standard and unified standard hex nuts and jam nuts and heavy hex nuts. All the information provided on this website is provided on an as is and as commonly used in production basis and you agree that you use such information entirely at your own risk. Individual sizes should be checked before specifying any. Misc lock nut 1 misc bolt 40 misc nut 2 pipe fitting 1 plug 17 retaining ring 1 single end stud 1 spring pincoiled 4 spring pinslotted. Glossary of fastener terms the bolt supply house ltd. Bolts and nuts specification pdf figure 1 illustrates a typical stressstrain relationship of a bolt as a tension load is. Aside from offering increased thread engagement with the boltscrew, their height provides more surface area for wrenching, which makes them popular in the vehicle and industrial equipment industries. This data sheet and its contents the information belong to the members of the premier farnell group of companies the group or are licensed to it. View our conversion chart to find out what size heavy hex nut that you need for your job.
The basis of the franklin institute or united states standard for the heads of bolts and for nuts is as follows. Astm specifications for bolts nuts washers americal. A wide variety of standard bolt and nut options are available to you, such as. All users of technical information supplied by boltmasters pty ltd are cautioned that such material may be revised or withdrawn at any time without notice. Machine bolt lengths l include the height of point. Standards for dimensions and tolerances are issued. Determine the maximum torque according to bolt nut size and grade.
Screws nuts washer sizes lawrence berkeley national. Dimension table for tslots, bolts, and nuts table chart. Acorn acorn nuts are a high crown type of cap nut, used for appearance. When your task calls for a variety of metric hex nut dimensions and styles, find what youre looking for at fmw fasteners. Fastener basics bolt depot nuts and bolts, screws and. A short guide to metric nuts and bolts dd thomson rail. If the nuts minor diameter exceeds the maximum, it might not engage enough thread and the bolt may pull out of the nut when under axial load.
Technical specification for metric hexagonal bolts, nuts. Bossard eshop for the current assortment and dimensions. Hex nut sizes available in most american hardware stores include standard sizes, ranging from 8 and 10 less than 14 inch to fractions of an inch from 14 inch to 3 inches, indicating their thread hole diameters. Click on a high nut type above to continue shopping high nuts. Thread pitch width across flats width across corners nut height washerface or chamfer dia. Specification ets010201 ver 1 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty. Finished hex nuts metric available in class 8 plain and zinc plated and class 10 188 stainless steel and zinc plated.
Tnuts, straight barrel 3 prongs part number thread size a flange diameter b barrel height c barrel diameter d prong height t material thickness drill size lbs. The length shown includes the height of the raised face in all cases. The nut thickness shall be the overall distance, measured parallel to the axis of nut, from the top of the nut to the bearing surface and shall include the thickness of the washer face where provided. The short diameter or width across the flats is equal to one and onehalf times the diameter plus 18 inch for rough or unfinished bolts and nuts, and one and onehalf times the bolt diameter plus, 116 inch for finished heads and nuts. Black oxide, chrome, galvanized, phosphate, nickel plated, silver, zinc plated, other. If the order received does not meet these requirements, it may result in a supplier corrective action request, which could jeopardize your status as an approved vendor. High nuts are considerably thicker than standard hex nuts. Wood screws have large threads and a smooth shank f or pulling two pieces of material together.
Metric millimeter bolt and nut substitutions will be allowed in. Metric millimeter bolt and nut substitutions will be allowed in accordance with these tables. Understanding nut and bolt specifications, version1. Astm americal society for testing and materialsthe american society for testing and materials is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services. Clear any dust and debris out of the pilot hole and drop. Fully threaded hex bolts are also known as tap bolts. No substitution will be allowed for any a325 bolts supplied under 71514 and used for structural connections on bridges, unless approved by the dces. Shoulder bolts also known as stripper bolts are used to create a pivot point.
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