6)Packing: bulk in cartons/pallet.
5)Finish: zinc, oxidation black, coulor or according to customer's requirement.
4)Material: spring steel.
3)Size: M3-M30.
2)Standard: DIN9250
1)Product: Double Serrated Lock Washer, Serrated Safety Washer.
1)Double Serrated Lock Washer
2)Material:spring steel. Size:M3-M30
3)Experienced team,high quality,low price,best service