Metal Lock Washers | McMaster-Carr

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Heavy Vibration Resistant

Hardness

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DFARS Specialty Metals

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3,789 Products

Fastening and Joining

Washers

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

776 products

Lock Washers

Resist vibration to prevent fasteners from loosening

661 products

Sealing Washers

Prevent fluids from leaking around fasteners

82 products

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

27 products

Cross-Bracing Washers

Connect cross-bracing rods or cables to structural beams; also known as hillside washers

6 products

Finishing Washers

Screw heads sit flush to prevent snagging and to create a neat, finished appearance

7 products

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

38 products

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

45 products

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

898 products

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

60 products

Retaining Rings

Hold components on a shaft

139 products

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

5 products

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

54 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

72 products

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

49 products

Magnets

Attract or repel metal objects to hang, secure, or position them

35 products

Building and Machinery Hardware

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

205 products

Material Handling

Tie-Down Washers

Angled sides align and hold tie-down straps

5 products

Fabricating and Machining

Parts Baskets

Contain parts for cleaning and moving them in and out of washers

6 products

Wire Brushes

Scrub by hand or connect to power tools to clean, polish, deburr, and remove rust

554 products

Communication

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

14 products

Facility and Grounds Maintenance

Wash Gun Nozzle Extensions

Attach to your wash gun nozzle to clean places out of arm's reach

2 products

Pressure Washer Guns

Control the flow of water sprayed from a pressure washer

2 products

Squeegees

Wipe liquids off of windows, floors and other surfaces

21 products

Scrub Brushes

Everyday scrub brushes, scrub brushes with a handle, and drill-operated scrub brushes

2 products