6)Packing: bulk in cartons/pallet.
5)Finish: plain, blackened by oil, electric galvanized, or according to customer's requirement.
4)Material: spring steel, carbon steel, stainless steel.
3)Size: M3-M30.
2)Standard: DIN6798, or according to customer's design.
1)Product: Internal Teeth Serrated Lock Washer.
1)Internal Teeth Serrated Lock Washer DIN6798
2)Material:spring steel.
3)Experienced team,high quality,low price,best service