product name :
Stainless steel expansion bolt
stainless steel fasteners&screws,nuts,bolts,washers
1. Standard: DIN, ANSI and non-standard
2. Thread: coarse, fine or extra fine (e.g. M10-1.5, M10-1.25, M10-1.0)
3. Surface: full hexagon, no burr and nice flatness
4. Raw Material: with stable quality and completive price
5. Processing: by multi-position cold-heading machines from Taiwan, together with precise moulds and punch pins
6. Nylon Ring: blue or white
7. Total Height: normal or heavy
8. Other names: hex lock nut, self-locking nut, nylon-insert lock nut, nylon lock nut or nylock nut