Tooth Lock Washers | McMaster-Carr

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Washer Type

Grommet Washer Type

System of Measurement

Screw Size

Tooth Location

Internal and External

Material

Phosphor Bronze

Stainless Steel

ID

OD

Thickness

0.010" to 0.013"

0.010" to 0.015"

0.010" to 0.016"

0.012" to 0.018"

0.014" to 0.018"

0.014" to 0.020"

0.015" to 0.019"

0.016" to 0.018"

0.016" to 0.021"

0.016" to 0.022"

0.017" to 0.021"

0.018" to 0.023"

0.018" to 0.024"

0.020" to 0.025"

0.020" to 0.027"

0.023" to 0.027"

0.023" to 0.028"

Finish

Specifications Met

Performance

Corrosion Resistant

RoHS

REACH

DFARS Specialty Metals

Hardness

Rockwell C40 to Rockwell C50

Export Control Classification Number (ECCN)

Military Specification

Military Specification

Fastener Strength Grade/Class

Certification

Shape

Container Features

Countersink Angle

Fastener Strength Rating

For Use With

Sold As

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500 Products

Lock Washers

Tooth Lock

Tooth Lock Washers

Tooth Lock Washers

Grip tighter than split lock washers in applications with constant movement, such as conveyors

Mil. Spec. Tooth Lock Washers

Mil. Spec. Tooth Lock Washers

Adhere to U.S. military standards for material and construction

Countersunk Tooth Lock Washers

Countersunk Tooth Lock Washers

Grip flat- and oval-head screws for a secure hold without overtightening

Domed Tooth Lock Washers

Domed Tooth Lock Washers

Spread pressure over a large area to limit damage to material

Tooth Lock Washer Assortments

Tooth Lock Washer Assortments

Keep a collection of tooth lock washers on hand to work with a range of screw sizes

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Protect wire, cable, and cords from holes with sharp or rough edges

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