Grade 12.9 Hex Socket Cap Head Screws Nickel Plated Allen Key Bolts
Size:M4
Material: Alloy Steel
Standard: GB
The product uses 12.9 grade high-strength alloy steel material, which has better hardness and strength characteristics than ordinary metal materials.
Grade 12.9 high-strength bolts, suitable for connecting bridge steel frame structures with building steel structures, vehicle manufacturing, and large-scale shipbuilding industries.
The data has positive and negative tolerances
Package Including:
- According to your choice.
Service:
- Good quality. Buy with confidence!
- We also offer trade discounts if you order big，Please contact us.
- We maintain high standards of excellence and strive to satisfy customers!
- If you need more sizes, please contact our customer service.Thank you.
On Nov 4, 2023 at 00:34:07 PDT, seller added the following information: