Prime-Line

Internal Tooth Lock Washer, For Screw Size 1/2 in Steel, Zinc Plated Finish, 20 PK


product price: $3.55
/pk 20, $0.18/ea
Sold in multiples of 3 for $10.65

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Key Features

  • Material Steel
  • Finish Zinc Plated
  • Outside Diameter 7/8 in
  • Maximum Thickness 5/128 in
  • Standards ASME B18.21.1 Type A
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Product Information

Dimensions

For Screw Size 1/2 in
Outside Diameter 7/8 in
Inside Diameter 1/2 in

Details

Item Internal Tooth Lock Washer
Material Steel
Finish Zinc Plated
Maximum Thickness 5/128 in
Standards ASME B18.21.1 Type A
System of Measurement Inch

Description

Internal tooth lock washers feature teeth that help to prevent loosening of a nut or bolt by digging into the surface. For maximum holding power, use one between the surface and the bolt head, and use another one between the surface and the nut. It is best to use these with smaller bolt heads and in applications where there is a desire to not have exposed teeth. Lock washers are great for use in cases where the bolt may be subject to vibration.
  • Size: 1/2 inch
  • Features teeth that extend inward
  • Prevents loosening of bolt or nut by biting into surface
  • Best to use on bolts or screws with smaller heads
  • Preferable over external tooth lock washers in cases where teeth need to be hidden
  • Specification(s) Met: ASME B18.21.1 Type A
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