This is represented by the last number in a metric bolts designation. The screws, bolts and nuts shall conform to the dimensions and tolerances. Metric bolt size chart stud bolt to nut size chart. Refer to nut dimensions below for washer face dt general dimensions of structural nuts as1252. Mechanical properties proof load psi yield strength min psi tensile strength min psi no grade mark sae j429grade 1 bolts, screws, studs low or medium carbon steel 14 thru 112 33,000. Commercial products page dimensions iso metric mild steel hexagon bolts, screws and nuts 1. Iso metric hexagon nuts 100 bsw hexagon nuts and hexagon lock nuts 101. Metrics in engineering metric fasteners screws, nuts. Iso metric hexagon socket screws are limited to two different head shapes. Metric hex nut dimensions sizes chart according to iso 4032.
Add standard and customized parametric components like flange beams, lumbers, piping, stairs and more to your sketchup model with the engineering toolbox sketchup extension enabled for use with the amazing, fun and free sketchup make and sketchup pro. Heavy hex bolt dimensions heavy hex head cap screw dimensions heavy hex nut dimensions metric hex bolt dimensions. Index fastener handbook product description section page forward 910 head marking 1 11 nut marking standard bolt product ranges 2 1415 iso metric 14 bsw threads 14 unc threads 15 unf threads 15 thread forms and fits 3 1618 thread specifications 16 screw thread terminology 17 standard thread forms 17 thread fits 18 testing of bolts. Torques are also broken down by seven commonly offered finishes. Metric bolt actual dimensions engineering tools, mechanical. 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. Metric internal thread dimensions chart according to asme b1.
Besides using metric measurements, a metric bolt uses the distance between the threads rather than the thread pitch, used in. Sizes not listed can be manufactured within 710 working days. 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. For example, m10 or m106g, by default, specifies m10 x 1. The asme standard covers heavy hex structural bolt dimensional specifications designated by asme b18. Technical information metric thread pitch table metric pitch table metric diameter pitch mm coarse standard fine standard 3mm 0. Look on the bolt head for the number denoting the strength of the bolt. Technical specification for metric hexagonal bolts, nuts. Fully threaded screws with a point for use in sheet metal.
Inch pitch threads per inch metric pitch threads per millimeter metric fasteners can also have extra fine pitch thread head markings inch head markings metric xx grade 5 cap screw grade 5 nut grade 8 nut xx grade 8 cap screw xx 8. These nut and bolt charts can help you do just that. Bolt depot nuts and bolts, screws and fasteners online. Technical specification for metric hexagonal bolts, nuts, coach. Metric millimeter bolt and nut substitutions will be allowed in. Dimensions of slotted flat countersunk head machine screws nominal size or.
Apr 24, 2017 many metric bolts denote the use of metric measurements with an m at the start of the bolt designation, such as m9x1. The nut thickness shall be the overall distance, measured parallel to. 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. Minor diameter, pitch diameter and major diameter are given dimensions in the internal thread chart. Length is measured from under the head to the end of the bolt note. There is an exception thoughif pitch isnt specified, the fastener is coarse threaded. For screws, bolts and nuts turned from wire or from the bar. Iso metric hexagon nuts, including thin nuts, slotted. Nut products 22 100109 iso metric hexagon nuts 100. The dimensions of a bolt can be expressed in metric or imperial units, both of which are better explained in the bolt standards section of this selection guide. General dimensions of structural bolts as1252 1983 bolt dia. The 8thread series 8unr or 8un is used only for sizes over 1 in. Supplier of metric nuts, bolts, screws, washers and. Bolts sae grade 8 hex head boltsmatching washersnuts.
Proof loads and tensile stress metric hexagon bolts. Standard metric hex nuts, types styles 1 and 2 per. Internal thread or nut thread is a term to describe all internal threads in iso metric thread. There are nineteen standard sizes known as the preferred sizes and ten less commonly used the socalled nonpreferred sizes. Pitch is the measurement between the apex of adjacent threads on the bolt s shank. 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. No substitution will be allowed for any a325 bolts supplied under 71514 and used for structural connections on bridges, unless approved by the dces.
Metric hex bolt diameters and thread pitches mm 10 20 30 40 50 60 70 80 90 100 110 120 140 150 160 170 180 190 200 210 220. The following are to links of iso metric hardware specifications table charts. Dimensions of cross recessed flat countersunk head machine screws. Metric millimeter bolt and nut substitutions will be allowed in accordance with these tables. Stainless steel stud bolt and nut size chart ss stud. Supplier and manufacturers fastener and screw bolt design, formula and calculations. Supplier of metric nuts, bolts, screws, washers and fasteners. Metric bolt dimensions atlanta rod and manufacturing. Fastener grade us or class metric refers to the mechanical proper. Standard metric hex bolt sizes and thread pitches scale check. Technical specification for metric hexagonal bolts, nuts, coach screw, and flat washers. Nuts m20 and larger may be double chamfered, or have a washer face on one side and a chamfered surface on the opposite side. Iso metric hardware specifications table chart engineers edge.
Many of our bolts have a zinc flake finish that provides improved corrosion resistance compared to a bolt with zinc plate coating. Metric bolt conversion to standard bolt conversion chart. 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. Manufacturing suppliers ltd msl began business in 1980 as a small operation in new lynn, auckland and is now one of new zealands leading fastener suppliers. Width weight thickness width size across per c hex nut nominal thickness. Thread pitch width across flats width across corners nut height washerface or chamfer dia. Engineering toolbox sketchup extension online 3d modeling. The size of a metric screw or bolt is specified as diameter, pitch and length, in millimeters millimeters is abbreviated mm. The chemical and mechanical specifications included in asme b18. This standard covers stud bolts with threads produced to tolerance 6g which is customary for boltnut assemblies of thread engagement group n.
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. Fastener tech data understanding series introduction. Thread pitch inch thread pitch metric thread pitch the distance between threads. In 2016, astm f3125 replaced astm a325 and astm a490 which are now grades. Iso metric screw threads are designated by basic diameter and thread pitch. Fastener mart offers a wide range of fastener technical datafrom our understanding fastener series of articles, which will introduce you to a variety of fastener and hardware topics and productsto our fastener fasten facts, handy fastener reference data and reference chartsto advanced fastener reference materials in the form of fastener books. Our metric stud bolt to nut table is meant to help determine the correct size bolt or nut for your purpose. Check this is the latest process zone version before use. Our printable layover sizing charts for measuring and distinguishing between uss and sae pattern washers. Width across flats wrench size and corners, nut height thickness and thread pitch dimensions are given for nut sizes between m1. How to determine bolt thread size bolt threads strength. 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. Metric fastener threads are also specified according to thread pitch, which is the distance between adjacent threads, again in millimeters.
Plain black metric socket head cap screws with coarse thread grade 12. Refer to nut dimensions below for washer face dt general dimensions of structural nuts as1252 1983 nom. Finished hex head bolts grade 2, 5, 8 and l9 sae grade 2, astm a307 plain. Diameterdecimal metric chart for small diameter fasteners. Add the engineering toolbox extension to your sketchup from the sketchup. Abbreviated ms machine screws with a thread cutting self tapping point. Correct drill size for tapping metric threads in holes. Nuts m16 and smaller are chamfered on the top and the bearing surface. Choose from metric hex, flange and lock nuts with coarse or fine thread. Standards for dimensions and tolerances are issued.
Metric guidethis 42page reference guide lists the torque requirements for tightening metric nuts made from class 4. Metric hex bolt diameters and thread pitches bolt depot. Iso metric profile external bolt thread internal nut thread basic mm size mm thread designation simple thread designation pitch mm class major dia. Disc lock washers nordlock size american metric 316 5 low carbon steel. The following table of hex bolt head dimensions was adapted from asme b18. Nut and washer sizes indicate the screw or bolt they fit. A short guide to metric nuts and bolts 2 thomson rail. Perspicuous metric bolt and spanner size chart pdf bolt size table iso screw chart metric bolt size and pitch chart bolt dimensions metric bolt proof load chart some beginners take on too much too soon or blow their savings on expensive woodworking tools and machines that they don.
B7 studs and nuts stud bolts for pressuretemperature piping 21 general purpose endtoend studs 22 tap end stud bolts 23 double end stud bolts 24 bolts hex cap screws finished hex bolts 31 wrench openings for square and hex bolts and screws 32 to 33 heavy hex bolts 34 heavy hex structural bolts 35. Heavy hex nut dimensions metric hex bolt dimensions. A table of major diameters and pitches, up to 30 mm in diameter. There comes a time when every mechanic could use a quicker way to help measure their nuts and bolts. Width across flats width across corners height of head d p ds s e k max. Fasteners chart, washers weight chart washers size. National standards adoptssets the dimensions and properties in common usage in the australian engineering industry. Standards for metric bolts are promulgated by the iso, but adopted by individual nations. Metric screw sizes and screw dimension charts, items distributed by best materials author.
Metric thread pitch chart nut compatibility chart nut weight chart standard thread pitch chart torque chart. Metric bolt conversion data for industrial boltsrods, machine screws and small diameter fasteners from raaj sagar steels includes metric to standard bolt conversions. Metric hex bolt diameters and thread pitches mm 10 20 30 40 50 60 70 80 90 100 110. After printing, measure ruler above to ensure correct scale. Din 933 1987 this standard contains specifications for fully threaded hexagon head screws with coarse metric thread for diameters m 1. 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. Do not try to use metric and american bolts together. 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.
At boltfast, our high quality nuts, bolts, fasteners, studs, washers and. The chart below shows metric bolt conversions and din numbers for fasteners. In metric bolts, strength is described by property classes. Add the engineering toolbox extension to your sketchup from the. Use the dimensions of your bolt to determine the appropriate size nut. The material hardness and thread designs of our bolts provide the high strength and resistance to bolt threads stripping your need for demanding applications. Fasteners chart, fasteners count chart nuts weight.
The bolt chart provides both us and metric stud sizes. 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. Metric nut sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 140 150 160 170 180 190 200 210. A style 1, heat treated fastener with a metric thread pitch. Fastenerdata metric nut comparison fastener specifications. Abbreviated sms a sheet metal screw with a self drilling point. Iso metric hardware specifications table chart engineers. All head dimensions are directly related to the basic screw diameter as follows.
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