We are special Manufacturer is specialized in T Nuts more than 10years, such as DIN508 T Nuts and so on. 1. Standard code: DIN508 2. Material: Mild(1008/1010), Medium Carbon steel(35#/45#), Alloy Steel(40Cr/35CrMo/4140), etc 3. Sizes: From M5 to M48 all sizes 4. Grade: From Class 4 to Class 12. 5. Finished: Black, Zinc, HDG, Phosphated, Dacromet etc. 6. Package: 25 KG/carton, 36carton/pallet