Serrated Lock Vibration Washer M20 x 33 x 1.4mm Steel Zinc-plated (Shake Proof)

Serrated Lock Vibration Washer M20 x 33 x 1.4mm Steel Zinc-plated (Shake Proof)

• Long description: Flat serrated lock washer with external teeth, made of spring steel, DIN 6798 form A. Serrated lock washers are mainly used to make electrical contact with parts with a surface coating (paint, corrosion-resistant layer etc.), the teeth penetrate through the insulating layer.
• Inside diameter: 21 mm
• Outside diameter: 33 mm
• Thickness: 1.4 mm
• Designed for thread: M20
• Surface treatment: Zinc-plated
• Material: Steel
• DIN Standard: 6798