Ningbo Steel Bolt Co.,Ltd
1. Standard: ASTM A193 2. Grade B7 and B7M and B16 and B8 and B8M 3. Type: Hexagon Head with Fine Thread 4. Heat Treatment: Yes 5. Surface Treatment: HDG, Black, ZINC, YZP, Plain, Dacromet 6. Material: Carbon Steel, Stainless Steel 7. Connection: Common Bolt
Our commitments
1. High quality
2. Competitive price
3. The shortest delivery
4. The fastest response
5. Custom-design and Logo are welcomed