China oem din912 black allen socket button key cap flat socket hex head bolts screw supplier
black allen head bolts/bolts with flat heads/socket flat head screw
1. Grade: 4.8/ 8.8/10.9/12.9
2. Size: M2-M500
3. Standard: DIN /GB
4. Certification: ISO9001
A: We are factory and we have done this busyness for more than 20 years
A:Stock goods Generally 5-10 days ,and it will be 15-20 days if newly production
A: Yes, we could offer the sample free and freight fee collect
A: 30% T/T in advance ,balance before shippment.
Delivery Details : by sea/by air/by express
If you have any other question, pls feel free to contact us as below ^-^