This International Standard specifies ISO general purpose metric screw threads for screws, bolts and nuts in the diameter range 1 to 39 mm. These selected sizes are recommended also for general engineering use. These screw threads are selected from ISO 261, ISO general purpose metric sc […]

This Japanese Industrial Standard specifies the characteristics of heat-treated steel tapping screws, with tapping screw thread from ST2.2 to ST8 inclusive in accordance with ISO 1478, together with the corresponding test methods.

1.1 This specification covers the requirements for electrode posited cadmium coatings on products of iron, steel, and other metals. NOTE 1 - Cadmium is deposited as a coating principally on iron and steel products. It can also be electrodeposited on aluminum, brass, beryllium copper, copp […]

1.1 This specification covers aluminum structural bolts and nuts for use in the construction of aluminum transmission towers, substations, and similar aluminum structures. 1.2 Diameters of bolts and nuts furnished to this specification are 5/8, 3/4, and 7/8 in. 1.3 The values stated in in […]

1.1 This specification covers the chemical and mechanical requirements of three grades of carbon steel bolts and studs in sizes 1/4 in. through 4 in. The fasteners are designated by “Grade" denoting tensile strength and intended use, as follows: Grade | Description Grade A | Bolts and st […]

This Standard specifies the properties of nuts with — nominal thread diameter, d, from 5 mm up to and including 39 mm, — product grades A and B, — property classes 8 to 12, under the conditions of the cone proof load test.