BSI - BS 856
Specification for Wing Nuts
|Publication Date:||19 May 1969|
|ICS Code (Nuts):||21.060.20|
ISO metric, ISO inch (Unified), BSW, BSF and BA screw threads diameters 3 mm (1⁄8 in) to 20 mm (3⁄4 in). Two forms of wing nut blank geometry; tables of dimensions for hot stamped and cast varieties and for cold forged products.