Plastic lock and seal washer PA - bi-material - moulded in serrated lock washer

• Plastic lock washers with injected metal tooth washer are available for thread sizes from M3 to M12
• Combines two functions in one
  • Locking & securing: - The serrated lock washer made from galvanised steel or stainless steel A4 secures the bolt or nut against unwanted loosening and vibrations
  • Leak tight seal: - The plastic washer with crush edges provides a air- and watertight seal and also serves as an additional locking element
• This type of plastic lock washer with injected serrated lock washer is therefore a combination of a washer, lock washer and sealing ring in one
• Locking nuts and locknuts are made unnecessary, thus saving costs
• Protects sensitive surfaces, such as lacquer or enamel, against damage from bolt connections
• Corrosion-resistant, particularly when fitted with the stainless steel A4 toothed lock washer
• These plastic lock and seal washers with injected serrates lock washer, are suitable for applications where the bolted joint must be well secured and also air- and watertight.

Material: plastic parts - PA (Polyamide), metal parts - galvanized steel or stainless steel A4 (AISI 316)
Colour: natural