This specification specifies the technical requirements, quality assurance regulations and delivery preparations for MJ threaded self-locking nuts (hereinafter referred to as nuts) whose operating temperature is not higher than 425°C. This specification applies to the design, manufacture and acceptance of nuts.
HB 7595-2011 Referenced Document
GB/T 13911-2008 Designation for metallic coating and chemical treatment
GB/T 4232-1993 Stainless steel wires for cold heading and cold forging
GB/T 4423-2007 Copper and copper-alloy cold-drawn rod and bar