External-Tooth Lock Washers | McMaster-Carr

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Tooth Location

Internal and External

System of Measurement

Screw Size

Material

Phosphor Bronze

Stainless Steel

Washer Type

ID

OD

Thickness

0.010" to 0.013"

0.010" to 0.016"

0.012" 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"

0.027" to 0.031"

0.028" to 0.034"

Finish

Black Zinc Plated

Thread Size

Specifications Met

Performance

Corrosion Resistant

Vibration Resistant

Nut Type

RoHS

REACH

For Bearing Nut Face Style

DFARS Specialty Metals

Hardness

Thread Pitch

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

Width

Tab Width

Height

Overall Height

Fastener Strength Grade/Class

How can we improve?

389 Products

Fastening and Joining

Lock Washers

Resist vibration to prevent fasteners from loosening

Locknuts

Hold fasteners in place to prevent loosening from vibration

Power Transmission

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)