1.1 This specification covers round and miscellaneous shape steel plain (flat) washers furnished in an unhardened condition. 1.2 The washers are intended for general use bolt, nut, and stud applications to provide increased bearing surface, spacing, and to prevent galling. 1.3 Unless otherwise sp...

This standard specifies dimensions and technical delivery conditions for M8 to M52 hexagon fit bolts, assigned to product grade A (for size M10 or less) or product grade B (for size M12 or greater). For hexagon fit bolts of sizes greater than M39, the specifications of this standard apply only wi...

The washers specified in this standard are intended for use in GV and SL structural steel bolting in accordance with DIN 18 800 Part 1, together with DIN 6914 bolts and DIN 6915 hexagon nuts.

This Japanese Industrial Standard specifies self drilling tapping screws of steel made (hereafter referred to as “steel drilling tapping screws”) and those of martensitic stainless steel made (hereafter referred to as “stainless steel drilling tapping screws”) for general use.

This International Standard gives specifications for hexagon head screws with metric fine pitch thread with nominal thread diameters from 8 to 64 mm, of product grade A for nominal thread diameters from 8 to 24 mm and nominal lengths, l, up to and including 10 d or 150 mm, whichever is shorter, a...

This document specifies requirements for electroplated coatings and coating systems on steel fasteners. The requirements related to dimensional properties also apply to fasteners made of copper or copper alloys. It also specifies requirements and gives recommendations to minimize the risk of hyd...