ASTM Washers | McMaster-Carr

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System of Measurement

ID

Screw Size

Material

841 Bearing Bronze

Grade 2 Titanium

Stainless Steel

OD

Thickness

0.005" to 0.006"

0.010" to 0.020"

0.013" to 0.027"

Washer Type

Finish

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Length

Width

Shape

Color

Cross Section Shape

Application

Shaft Diameter

Performance

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Finish-Your-Own

High Temperature

Low Temperature

Metal Detectable

Moisture Resistant

Precision Adjust

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

Thread Size

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Dash Number

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14,219 Products

Fastening and Joining

Washers

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

Shims

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

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

Thrust Bearings

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

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.)