ASTM Washers | McMaster-Carr

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14,239 Products

Fastening and Joining

Washers

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

Shims

Level, align, and adjust spacing on fasteners, shafts, and machine components

Spacers

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Retaining Rings

Retaining Rings

Hold components on a shaft

Sealing

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

Raw Materials

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

Lead

A dense insulator often used to shield against radiation and absorb sound and vibration

Power Transmission

Plain Bearings

With no moving parts, the simplest type of bearing

Fluid Handling

Strainers

Install next to valves and pumps to catch debris in your line

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