General dimensions of structural bolts as1252 1983 bolt dia. Acceptability of screw threads shall be determined based on ansiasme b1. Hexagonal socket head cap screws weight chart, hexagonal socket set screws weight chart, csk phillips cross recessed head machine screws weight chart, machine screws weight chart, washers weight chart, fully threaded unc astm studs weight chart, nuts weight chart, fully threaded rods weight chart, high strength structural bolts weight chart, m. Refer to nut dimensions below for washer face dt general dimensions of structural nuts as1252. 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. The situa on is almost as complex with metric nuts which come in a wide variety of types full, thin, nyloc, castellated and 5 strength grades as well. Use the dimensions of your bolt to determine the appropriate size nut. Durlok bolt durlok nut durlok washer durlok safety washer m6 to m20 m6 to m20 m6 to m20 m6 to m20 m4 to m80. A short guide to metric nuts and bolts answers to the most frequently asked questions standard and fine pitch th reads how to identify nut and bolt strength grades how nut and bolt strength grades compare maximum tightening torques why specifi ed torque is sometimes lower than the maximum spanner sizes versus bolt nut thread size. The chemical and mechanical specifications included in asme b18.
Cheat guide chart bolts, screws, washers, nuts, drive charts working on a project and trying to find the name of a special bolt type. Iso international organization for standardisation. The screws, bolts and nuts shall conform to the dimensions and tolerances. Choose from metric hex, flange and lock nuts with coarse or fine thread. Diameterdecimal metric chart for small diameter fasteners. It is really nothing more than a chunk of steel into which is cut appropriate internal threads so that it may be screwed onto a bolt. Width across flats wrench size and corners, nut height thickness and thread pitch dimensions are given for nut sizes between m1. The nut thickness shall be the overall distance, measured parallel to. There are nineteen standard sizes known as the preferred sizes and ten less commonly used the socalled nonpreferred sizes. Thus the head of an m10 bolt, with its 10 mm shank, will be raised 7 mm from the fastening surface when fully tightened. For screws, bolts and nuts turned from wire or from the bar. Metric thread pitch chart nut compatibility chart nut weight chart standard thread pitch.
All dimensions are given in inches unless otherwise indicated. Supplier of metric nuts, bolts, screws, washers and. Metric inch size size hex nut nylock nut nylock nut hex weld nut hex lock nut hex nut hex nut nylock nut hex. Length of bolts l is shown in millimetres rounded to the nearest 5mm. Refer to latest edition of applicable codespecification and. The asme standard covers heavy hex structural bolt dimensional specifications designated by asme b18.
The following tables provide hex nut and jam nut dimensions per asme ansi b18. Compared to a bolt, a nut is a fairly simple beast. We hold your world together stellenbosch university. Atlanta rods chart displaying heavy hex bolt dimensions. We provide both stocked and custom anchor bolts, anchor bolt assemblies, threaded rod, bolts, bent bolts, nuts, washers, turnbuckles, clevises and more. Iso metric profile external bolt thread internal nut thread basic mm size mm thread designation simple thread designation pitch mm class major dia. Metric thread extended thread size range iso thread height male thread h3 thread height female thread h1 sorted by thread class click here to return to the thread data chart page index. Dimensions for metric hex nutsconform to din 934 unless noted screw pitch, wd.
The chart below shows metric bolt conversions and din numbers for fasteners. Heavy hex nuts are slightly larger and thicker than standard finished hex nuts. Technical specification for metric hexagonal bolts, nuts, coach screw, and flat washers. Metric hex nut dimensions sizes chart according to iso 4032. 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. We have the charts to help you identify the many different types of bolts and screws for just about any project. In 2016, astm f3125 replaced astm a325 and astm a490 which are now grades. A short guide to metric nuts and bolts 2 thomson rail. Sud bolt lengths l do not include the height of points. Standards for dimensions and tolerances are issued. American national standard and unified standard hex nuts and jam nuts and heavy hex nuts and jam nuts. Fasteners chart, fasteners count chart nuts weight. Nuts m16 and smaller are chamfered on the top and the bearing surface. Technical data contained in this section governed by asme or other codesspecifications are subject to change and are therefore provided for information purposes only and are not to be used for design purposes.
Purchase the unique quantity you need from fmw fasteners today. Therefore, all you have to do is look at a hex bolt dimensions chart and you. Metric bolt conversion to standard bolt conversion chart. But it is easier to specify the components by a single size designation since the bolt and nut are mating components. But neither the external threads of the bolt nor the internal threads of the nut are exactly. We hold your world together at boltfast, our high quality nuts, bolts, fasteners. Metric millimeter bolt and nut substitutions will be allowed in accordance with these tables. Nut products 22 100109 iso metric hexagon nuts 100. Metric nut sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 140 150 160 170 180 190 200 210. Metric bolt size chart stud bolt to nut size chart. Table 4 basic dimensions 7 table 5 fundamental deviations for nut threads and bolt threads 19 table 6 lengths of thread engagement 20 table 7 minor diameter tolerances of nut thread 21 table 8 major diameter tolerance of bolt thread td 22 table 9 pitch diameter tolerance of nut thread 23. Width across flats width across corners height of head d p ds s e k max. Nuts m20 and larger may be double chamfered, or have a washer face on one side and a chamfered surface on the opposite side. Head sizes may differ from what is shows due to differences between metric standards measure length from under the mm 10 20 30 40 50 60 70 80 90 100.
Cheat guide chart bolts, screws, washers, nuts, drive. The flat area of the nut that contacts the joint when it is tightened is known as the nut. Here, i have listed the heavy hex nut dimensions as per iso and unc. Threads shall be unified inch coarse thread series unc, class 2a, for all stud bolt sizes 1 in. The length shown includes the height of the raised face in all cases. In fact, the bolt diameter is a little smaller and the nut diameter a little larger. Metric thread specification is given through iso standards. Metric bolt headwrench size bolt depot nuts and bolts. Check this is the latest process zone version before use. National standards adoptssets the dimensions and properties in common usage in the australian engineering industry.
There are numerous grades and the heavy pattern is typically used for large diameter and high strength bolts. Fastenerdata metric nut comparison fastener specifications. Metric bolt conversion data for industrial bolts rods, machine screws and small diameter fasteners from raaj sagar steels includes metric to standard bolt conversions. Unbrako standards meet or in many instances, exceed the requirement of the standards listed. Dimensions of metric hex nuts metric hex nuts f g h slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Heavy hex nut dimensions in inches are covered in asme b18. Our metric stud bolt to nut table is meant to help determine the correct size bolt or nut for your purpose. Metric bolt conversion data for industrial boltsrods, machine screws and small diameter fasteners from raaj sagar steels includes metric to standard bolt conversions. If you continue browsing the site, you agree to the use of cookies on this website.
Technical specification for metric hexagonal bolts, nuts. Because iso standard covers only sizes up to m 36, the din standard was subdivided into part 1 m 1. View our conversion chart to find out what size heavy hex nut that you need for your job. See our nut compatibility chart to determine the compatible heavy hex nuts for a specific grade of bolt. Plain black metric socket head cap screws with coarse thread grade 12. On structural and nonstructural bolts, a metric bolts hex head is 0. Check out our fastener reference guides, which includes dimensions and technical specs for our most popular fasteners. A style 1, heat treated fastener with a metric thread pitch. Machine bolt lengths l include the height of point. Metric, heavy hex nuts, astm a194m 2h, plain the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order.
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