Product description
1. Standard No: Hex Bolts / Screws ASTM A307. Gr. B
2. Steel grade: Q235, Carbon steel
3. Sizes: From M12-M48, 1/2-2" all sizes
4. Grade: ASTM A307 grade A, Class4.6~6.8;
5. Finished: Black, Zinc, HDG, Phosphated, Dacromet etc.
6. Package: 25 KG/carton, 36carton/pallet