SANS 1700-15-4:1998 Fasteners Part 15: Prevailing torque type nuts Section 4: Prevailing torque type hexagon nuts with flange (with non-metallic insert) - Product grades A and B
Specifies the characteristics of prevailing torque type hexagon nuts with flange (with non-metallic insert) with threads from M5 to M20 inclusive, in product grade A for threads up to and including M16 and product grade B for threads above M16, and with
SANS 1700-15-4:1998 history
1998SANS 1700-15-4:1998 Fasteners Part 15: Prevailing torque type nuts Section 4: Prevailing torque type hexagon nuts with flange (with non-metallic insert) - Product grades A and B