Steel Zinc Plated External Tooth Star Lock Washer Size 20 mm Thickness 1.4 mm DIN 6798 Standard | Aobsco Company

Product description

External Tooth Serrated Lock Washer, made of Zinc Plated steel, from  Aobsco Company, External serrated washer have small protrusions on their outer diameter to ensure excellent clamping. The teeth bite on the joint material and create a constant pressure that does not loosen even during constant vibrations. It can also withstand extremely high pressure and force provides excellent resistance to loosening.

• Size: 20 mm
• Inner diameter (d1): 21 mm
• Outer diameter (d2): 33 mm
• Thickness (S): 1.4 mm
• Material: Zinc Plated steel