hard washer
hard washer 1. material : stainless steel /spring steel 65Mn 2. nonstandard fatener. 3.finish: black ,zinc
Hard washer, fastener, washer
1. material : stainless steel /spring steel 65Mn 2.f inish: black ,zinchard washer
3. I can suplly ISO 9001:2000 and material specification .
4. I csn supply follow custom required
hard washer
