This standard specifies the type and size, material, appearance and surface roughness, inspection rules and test methods and technical specifications for marking, packaging, transportation and storage of carbide inserts for impact drills and electric hammer drills. This standard applies to carbide inserts for impact drills and electric hammer drills.
JB/T 8369-1996 history
2012JB/T 8369-2012 Hardmetal tips for impact drill and hammer drill
1996JB/T 8369-1996 Carbide inserts for impact and hammer drills