1. Standard: DIN7504 (EN ISO 15480)
2. Material: Stainless Steel, Carbon Steel;

3. Length: 16mm-250mm
4. Dia: 3. 5-6. 30mm
5. Finish:
A) White zinc
B) Yellow zinc
C) Blacking
D) Grey phosphor
E) Black phosphor
F) Dacrotized
6. Packing: box in carton, then in pallet