Bolts, Studs & Screws Dimensional Standards Check List

The fasteners for export are manufactured according to the generally standard, for example, for inch series, ANSI/ASME/IFI standards are mostly followed while for metric series, DIN/ISO standards to be followed. The standard dimensional check lists offered in this site are copies from the public release of the related institutes and authorities. They are guidelines for Transhow Fasteners during manufacturing the bolts, screws and studs. Transhow will not be responsible for their completeness or validity due to these standards are constantly being updated or revised.

Buyers must check all dimensions for their compatibility before ordering to suppliers, or require samples.

There is no single standard for all users, Transhow could produce customized fasteners.

General Standards for Hexagon Bolts

ANSI B18.2.1, ASME B18.2.6, ASME B18.2.3, ANSI B18.2.1 Heavy Hex Bolt, DIN EN ISO 4017 (DIN 933), DIN931, ISO 4018, DIN 601, DIN 558, DIN 960, DIN961, UNI 5737, UNI 5739, ISO 8676, BS 1769, BS 4190, BS 4395, ISO 7411, ISO 7412, DIN 7990

Hex Flange Bolts

DIN 6921, DIN 6922, IFI 111, IFI 513, IFI 536, IFI 538, JIS B1189

Round Head Bolts

ANSI/ASME B18.5 round head square neck bolt, IFI 544, ANSI B18.10, DIN 603 carriage bolt

Countersunk Head Bolts

DIN 605, DIN 608, ASME B18.9, JIS B1179

Square Head Bolts

ASME B18.2.1 Square Head Bolts, JIS B1182 Square Head Bolts

T head bolts

DIN 188, ASME/ANSI B18.5 T-Head Bolts

Type U Bolts

DIN3570, JIS B2809

Stud Bolts

DIN 835, DIN 938, DIN 939, DIN 940, DIN 949, DIN 797, IFI 136, IFI 528, JIS B1173

Thread Rods

DIN 975, DIN976