This standard specifies requirements for M 2,5 to M 30 bolts and screws ('bolts', for short) with various head styles and a diameter of the unthreaded portion of the shank smaller than the minor diameter. Although such bolts have a reduced shank, they are not waisted shank bolts. In addi […]

This standard specifies requirements for M6 to M52 hexagon slotted nuts and castle nuts, assigned to product grade A (up to size M16) or product grade B (for sizes above M16). If, in special cases, nuts are to comply with specifications other than those given in this standard, e.g. regar […]

This specification covers the chemical, mechanical, and dimensional requirements for hardened steel washers for use with fasteners having nominal thread diameters of 1/4 through 4 in. These washers are intended for general purpose mechanical and structural use with bolts, nuts, studs, and […]

Strength category (material): 3.6 according to DIN 267 Part 3 Other strength categories or materials by agreement

1.1 This standard covers the complete general and dimensional data for metric heavy hex structural bolts recognized as American National Standard. 1.2 The inclusion of dimensional data in this standard is not intended to imply that all of the sizes in conjunction with the various options […]

This Japanese Industrial Standard specifies the basic profile, formulas and basic dimensions for unified fine screw threads used for aircrafts and other purposes of limited necessity.