No. 10 Washers | McMaster-Carr

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Screw Size

Material

Garolite G-10/FR4

Stainless Steel

OD

Washer Type

Thickness

0.004" to 0.006"

0.005" to 0.006"

0.013" to 0.019"

0.017" to 0.023"

0.017" to 0.047"

0.018" to 0.024"

0.019" to 0.021"

0.020" to 0.024"

0.020" to 0.025"

Finish

Black Zinc Plated

Corrosion-Resistant Coated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Washer Designation

General Purpose

System of Measurement

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Electrically Insulating

High Temperature

Impact Resistant

Low Temperature

Moisture Resistant

Specifications Met

Color

ASME Designation

Certification

Military Specification

Army-Navy Specification

Military Specification

Overall Height

Passivation

Shape

Fastener Strength Grade/Class

Export Control Classification Number (ECCN)

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

1,000° F or greater

DFARS Specialty Metals

Hardness

REACH

RoHS

Compliant with Exemptions

How can we improve?

1,141 Products

Washers

General Purpose Washers

General Purpose Washers

Your go-to metal washer for every screw size

Oversized Washers

Oversized Washers

Exaggerated diameters and thicknesses to cover large holes or to create gaps

Mil. Spec. Washers

Mil. Spec. Washers

Adhere to U.S. military standards for material and construction

SAE Washers

Meet SAE sizing standards and typically have smaller diameters than USS washers

USS Washers

Meet USS sizing standards and typically have larger diameters than SAE washers

ASME Washers

Meet ASME standards and come in regular, narrow, and wide diameters

Undersized Washers

Undersized Washers

Pair with fasteners that have narrow heads, such as cheese and socket head screws

Washers for Square-Neck Bolts

Washers for Square-Neck Bolts

The square hole fits snugly around carriage, plow, and elevator bolts

Plastic Washers

Plastic Washers

Lightweight, nonconductive, and naturally rust resistant

Mil. Spec. Plastic Washers

Mil. Spec. Plastic Washers

Meet U.S. military standards and are lightweight, nonconductive, and naturally rust resistant

Hard Fiber Washers

Hard Fiber Washers

Least likely to scratch delicate mounting surfaces

Fiberglass Washers

Fiberglass Washers

Best strength-to-weight ratio of all our nonmetal washers

Very-High-Temperature Mica Washers

Very-High-Temperature Mica Washers

Won't melt, stick, or become brittle, even when exposed to temperatures as high as 1050° F

Ultra-High-Temperature Ceramic Washers

Ultra-High-Temperature Ceramic Washers

Withstand the highest temperatures of all our washers up to 3000° F

Self-Retaining Washers

Self-Retaining Washers

Assemble screws and washers in advance to save time

Adhesive-Back Washers

Adhesive-Back Washers

Stick on your surface to prevent slipping while you fasten

Magnetic Washers

Magnetic Washers

Stay in place on iron and steel surfaces during installation

Easy-Install Slotted Washers

Easy-Install Slotted Washers

Slip under nuts and screws without having to disassemble them

Clipped Washers

Clipped Washers

Clipped on one side to fit in tight spots

Double-Clipped Washers

Double-Clipped Washers

Squeeze into tighter spots than single-clipped washers

Square Washers

Won't rotate as you fasten screws in slots and channels

Rectangular Washers

Rectangular Washers

Our narrowest washers to fit in thin channels, slots, and other tight spaces

Reinforcing Sleeve Washers

Reinforcing Sleeve Washers

Keep soft materials from collapsing into the hole

Dished Washers

Cover oversized holes, such as the ends of pipe and tubes

Washers for Foam Insulation

Washers for Foam Insulation

Prevent screws from crushing insulation board

Perforated Washers

Perforated Washers

Plaster flows through to form a bond between the washer and wall

Other Products

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Finishing Washers

Finishing Washers

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

Insulating Washers

Insulating Washers

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

Spacers

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

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Shims

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

Clamp Holding Washers

Clamp Holding Washers

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

Push Nuts

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

Electrical-Terminal Washers

Electrical-Terminal Washers

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

Vibration-Damping Mounts

Vibration-Damping Mounts

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

Tag Washers

Bolt onto surfaces to mount tag rings and ties

Snap-In Nuts

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

Magnets

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

Unthreaded Inserts

Unthreaded Inserts

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

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