This quality focused Standard establishes in-process and final inspection requirements for fastener products as well as a receiving inspection plan for fastener purchasers. This Standard identifies four categories, recognizing that fastener users have widely varying requirements. The four categor...

This Japanese Industrial Standard specifies steel weld bolts, hereafter referred to as "bolts", for general purpose. This bolt is intended to be projection-welded at its bearing surface side of head for service, but the bolt to be welded at the top surface of head for service is excluded.

This standard specifies requirements for product grade A washers with a hardness of 300 HV or more. The preferred application of these washers is in product grades A and B hexagon head bolt/hexagon nut assemblies, with widths across flats as specified in ISO 272.

1.1 This specification covers the chemical and mechanical requirements for stainless steel metric socket head cap screws (SHCS) with nominal thread M1.6 through M36 and intended for use in applications requiring general corrosion resistance.

The property classes, mechanical and performance properties and the methods of test listed in this standard apply to prevailing torque type nuts - with nominal thread diameters from 3 to 39 mm; - with ISO metric thread as specified In the DIN 13 standard series; - with styles as specified in the ...

Hexagon washer head tapping screws are made with a DIN 7970 tapping screw thread that complies with the specifications of International Standard ISO 1478 :1983). It should be noted that, since 1983, tapping screw threads have been identified with the symbol ST (denoting ‘spaced thread') which pre...