AS 1237-1973

Specifies materials and dimensions for washers for use with bolts, screws, studs and nuts specified in AS 1110, 1111 and 1112, in small and normal series and diameters from 1 to 36 mm for bright metal washers, and in normal series and large series and diameters from 5 to 64 mm for black steel washers. Extra-large black steel washers intended primarily for the construction industry, washers from 72 to 150 mm diameter, non-preferred series, and thick bright steel washers are given in appendices. For metric washers for high-strength bolts, see AS/NZS 1252. For inch series washers see AS B108 and B148.