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Paulin® Papco® 161-220 Internal Tooth Lock Washer, 3/8 in Nominal, High Carbon Spring Steel, Bright Zinc Plated

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Description

Paulin® Papco® Lock Washer, Internal Tooth, Series: 161, Measurement System: Imperial, 3/8 in Nominal, High Carbon Spring Steel, Bright Zinc Plated, 11/16 in OD, 0.035 in Thickness

Internal Tooth Lock Washers are for locking and tension. Teeth on the inside of the washer create locking tension by "biting down" on the assembly. The tension adds resistance to rotation that may be caused by vibration. They provide a smooth finished exterior edge.

Specifications

Finish Bright Zinc Plated
Material High Carbon Spring Steel
Measurement System Imperial
Nominal Size 3/8 in
Outside Diameter 11/16 in
Series 161
Thickness 0.035 in
Type Internal Tooth

Features

  • The zinc coating applied serves as a protective barrier against corrosion resistance
  • The inward-pointing teeth grip the fastener head, providing excellent resistance to loosening
  • They are ideal for applications where space is at a premium and flush surface finish is desired
  • Commonly used in the electronics and automotive industries to industrial machinery and telecommunication
  • Hardness class is 392-513 HV

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