Spacer Washers | McMaster-Carr

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System of Measurement

Screw Size

ID

OD

Material

Garolite G-10/FR4

Thickness

0.001" to 0.003"

0.002" to 0.004"

0.004" to 0.006"

0.005" to 0.006"

0.005" to 0.024"

0.005" to 0.030"

Washer Type

Length

Finish

Black Zinc Plated

Chromate Conversion Coated

Corrosion-Resistant Coated

Nickel Chrome Plated

Phosphate Coated

Color

Shape

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Finish-Your-Own

High Temperature

High Visibility

Impact Resistant

Hardness

Specifications Met

Federal Specification

DFARS Specialty Metals

Thread Size

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Shaft Diameter

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Washer Designation

General Purpose

Overall Height

Width

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 499° F

500° F to 999° F

1,000° F or greater

ASME Designation

How can we improve?

17,370 Products

Fastening and Joining

Washers

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

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Insulating Washers

Insulating Washers

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

Lock Washers

Resist vibration to prevent fasteners from loosening

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Finishing Washers

Finishing Washers

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

Cross-Bracing Washers

Cross-Bracing Washers

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

Spacers

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

Shims

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

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Unthreaded Inserts

Unthreaded Inserts

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

Power Transmission

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Building and Machinery Hardware

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

Communication

Tag Washers

Bolt onto surfaces to mount tag rings and ties

Fabricating and Machining

Clamp Holding Washers

Clamp Holding Washers

Replace worn washers on open-arm toggle clamps to keep holding screws in place

Electrical

Battery-Terminal Washers

Battery-Terminal Washers

Stop battery acid fumes from corroding terminal posts

Electrical-Terminal Washers

Electrical-Terminal Washers

Prevent wires from slipping out from under screw heads to keep electrical connections intact

Electrical Enclosure Pole Mounts

Electrical Enclosure Pole Mounts

Everything you need to secure enclosures to round poles or beams

Material Handling

Tie-Down Washers

Tie-Down Washers

Angled sides align and hold tie-down straps

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