Grounding Washers | McMaster-Carr

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System of Measurement

Screw Size

Tooth Location

Internal and External

Washer Type

Material

Phosphor Bronze

Stainless Steel

ID

OD

Thickness

0.008" to 0.012"

0.010" to 0.013"

0.010" to 0.015"

0.010" to 0.016"

0.010" to 0.020"

0.012" to 0.018"

0.014" to 0.016"

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"

Finish

Performance

Chemical Resistant

Corrosion Resistant

Electrical Insulating

Extra High Temperature

Flame Retardant

Moisture Resistant

Specifications Met

RoHS

REACH

Hardness

Rockwell C40 to Rockwell C50

DFARS Specialty Metals

Color

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

Export Control Classification Number (ECCN)

Sleeve Height

Overall Height

Sleeve OD

Height

Military Specification

Military Specification

Maximum Temperature

Minimum Temperature

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824 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

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

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

Other Products

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Insulating Washers

Insulating Washers

Isolate screws from electrical current and prevent corrosion from mating different metals

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.)