Metric Bolt Head Size Chart Pdf

Fastener length is measured from where the material surface is assumed to be to the end of the fastener.

Metric bolt head size chart pdf.

Metric hex head bolts product grade b iso 4014 nominal size thread pitch rwtue h fgk threaded length washer face thickness fillet. Definitions of terms are located below the chart. Socket head cap screw. Preferred metric fastener sizes 07 25 08 socket head cap and hex head screws dowels m6 pull type socket head cap screws only hex head leveling screw only diameter 16 20 25 30 35 40 50 60 80 6 x x x 8 x xxx 10 x xxx 12 x x x x 16 x x x 20 x x x preferred lengths thread clearance size hole pitch ø 16 20 30 40 50 60 70 80 150 m6 x 1 6 6 xxx m8 x 1 25 9 0 xxx m10 x 1 5 11 0 x x x x m12.

Din 931 spec for maximum width across flats on these three diameters are 17 19 22 mm respectively. The bolt chart provides both us and metric stud sizes. Bolt grade markings and strength chart. The diameter of a bolt is the shank diameter expressed in millimetres for metric bolts.

Hex bolts cap screws bolts metric grade a b h l g f k e t r u w for nominal lengths over 200mm. Our metric stud bolt to nut table is meant to help determine the correct size bolt or nut for your purpose. Length is measured from under the head to the end of the bolt note. Common metric steel bolts.

English metric bolt substitution table equivalent metric bolt substitution astm grade bolt sizes f 568 class 4 6 f 568 class 8 8 f 588 class 8 8 3 f 568 class 9 8 f 568 class 10 9 a 325m type 1 or 2 a 325m type metric english 3 mm inches hole diam mm english astm grade specified a 449 type 1 a 354 grade bd m6 m8 m10 m12 m14 1 4 5 16 7 16 1 2 9 16 7 9 12 14 16 not. All pro threaded neither employs nor maintains an engineering or technica l staff. Metric stud bolt to nut size chart. Bolts screws studs 60 000 bolts screws studs astm a307 grades a b 60 000 standard bolt identification markings identification grade mark specification fastener description material nominal size range in this technical information is supplied as a courtesy.

Pitch mm diameter. Head sizes may differ from what is shown due to differences between metric standards length 16mm 12mm 8mm 7mm 6mm 5mm 4mm 3mm 10mm 14mm coarse thread fine thread coarse thread fine thread coarse thread fine thread super fine thread coarse thread fine thread super fine thread coarse thread coarse thread coarse thread coarse. Because this is approximately the same as the major or thread diameter the thread diameter measurement can be used for fully threaded bolts. Metric bolt tensile strength.