Spacer Washers | McMaster-Carr


Flat	Square

Countersunk	Sleeve

Slotted	Spring Lock

Cup for Oversized Holes	Metal Bonded

Split Lock	Tooth Lock

Self-Retaining	Leveling for I- Beams

Spherical	Tension Indicating

Clipped	Tab Lock

Wave	Wedge Lock

	Thickness Thickness

0.001" to 0.003"

0.004" to 0.006"

0.005" to 0.024"

0.005" to 0.030"

0.008" to 0.012"

0.009" to 0.012"

0.010" to 0.013"

0.010" to 0.015"

0.010" to 0.016"

0.010" to 0.020"

0.010" to 0.030"

0.010" to 0.040"

0.012"

0.012" to 0.018"

0.0125"

0.013" to 0.017"

0.013" to 0.019"

0.013" to 0.020"

0.013" to 0.027"

0.014"

0.014" to 0.016"

0.014" to 0.018"

0.014" to 0.020"

0.014" to 0.033"

0.015"

0.015" to 0.017"

0.015" to 0.018"

0.015" to 0.019"

0.015" to 0.025"

0.015" to 0.250"

0.016"

0.016" to 0.021"

0.016" to 0.022"

0.016" to 0.025"

0.017" to 0.021"

0.017" to 0.023"

0.017" to 0.028"

0.018"

0.018" to 0.022"

0.018" to 0.023"

0.018" to 0.024"

0.018" to 0.032"

0.018" to 0.039"

0.019" to 0.021"

0.02"

0.020" to 0.025"

0.020" to 0.026"

0.020" to 0.027"

0.020" to 0.030"

0.020" to 0.040"

0.020" to 0.042"

0.021"

0.021" to 0.041"

0.022"

0.022" to 0.028"

0.022" to 0.032"

0.022" to 0.042"

0.023"

0.023" to 0.027"

0.023" to 0.028"

0.023" to 0.033"

0.024"

0.024" to 0.032"

0.024" to 0.034"

0.024" to 0.038"

0.024" to 0.039"

0.025"

0.025" to 0.031"

0.025" to 0.035"

0.025" to 0.039"

0.025" to 0.040"

0.025" to 0.045"

0.026" to 0.036"

0.026" to 0.038"

0.027" to 0.033"

0.027" to 0.035"

0.027" to 0.037"

0.027" to 0.048"

0.028"

0.028" to 0.034"

0.028" to 0.035"

0.028" to 0.036"

0.028" to 0.046"

0.029" to 0.032"

0.029" to 0.033"

0.029" to 0.034"

0.029" to 0.035"

0.029" to 0.039"

0.029" to 0.043"

0.030"

0.030" to 0.034"

0.030" to 0.040"

0.030" to 0.045"

0.030" to 0.050"

0.030" to 0.055"

0.030" to 0.065"

0.030" to 0.070"

0.031"

0.031" to 0.033"

0.031" to 0.062"

1/32"

0.032"

0.032" to 0.040"

0.033" to 0.037"

0.033" to 0.043"

0.033" to 0.047"

0.034" to 0.044"

0.034" to 0.060"

0.035"

0.035" to 0.045"

0.035" to 0.055"

0.036" to 0.042"

0.036" to 0.044"

0.036" to 0.045"

0.036" to 0.046"

0.036" to 0.060"

0.036" to 0.065"

0.037" to 0.041"

0.037" to 0.043"

0.037" to 0.045"

0.037" to 0.049"

0.038" to 0.048"

0.039"

0.040"

0.040" to 0.050"

0.040" to 0.054"

0.040" to 0.060"

0.040" to 0.080"

0.041" to 0.051"

0.041" to 0.061"

0.042" to 0.050"

0.042" to 0.051"

0.042" to 0.052"

0.042" to 0.054"

0.043"

0.043" to 0.047"

0.043" to 0.051"

0.043" to 0.053"

0.043" to 0.057"

0.044" to 0.052"

0.045"

0.045" to 0.055"

0.045" to 0.057"

0.045" to 0.065"

0.046" to 0.054"

0.046" to 0.055"

0.046" to 0.078"

0.047"

0.047" to 0.052"

0.047" to 0.053"

0.047" to 0.055"

0.047" to 0.077"

0.047" to 0.109"

0.048"

0.048" to 0.052"

0.048" to 0.054"

0.048" to 0.058"

0.048" to 0.075"

0.049"

0.049" to 0.055"

0.049" to 0.061"

0.049" to 0.068"

0.049" to 0.069"

0.050"

0.050" to 0.060"

0.050" to 0.070"

0.050" to 0.080"

0.051"

0.051" to 0.070"

0.051" to 0.075"

0.051" to 0.080"

0.051" to 0.084"

0.051" to 0.104"

0.052" to 0.058"

0.052" to 0.060"

0.052" to 0.072"

0.053" to 0.065"

0.053" to 0.071"

0.053" to 0.073"

0.054" to 0.068"

0.054" to 0.070"

0.054" to 0.073"

0.054" to 0.074"

0.055"

0.055" to 0.065"

0.055" to 0.069"

0.055" to 0.070"

0.055" to 0.072"

0.055" to 0.085"

0.056"

0.056" to 0.062"

0.056" to 0.070"

0.056" to 0.071"

0.057" to 0.067"

0.057" to 0.069"

0.058" to 0.064"

0.058" to 0.068"

0.058" to 0.070"

0.059"

0.059" to 0.065"

0.059" to 0.067"

0.059" to 0.069"

0.059" to 0.071"

0.06"

0.060" to 0.064"

0.060" to 0.066"

0.060" to 0.067"

0.060" to 0.070"

0.060" to 0.080"

0.060" to 0.090"

0.060" to 0.100"

0.061" to 0.063"

0.062"

0.062" to 0.064"

0.062" to 0.067"

0.062" to 0.077"

1/16"

0.063"

0.064"

0.064" to 0.076"

0.064" to 0.080"

0.064" to 0.083"

0.064" to 0.094"

0.064" to 0.104"

0.065" to 0.075"

0.068" to 0.078"

0.068" to 0.088"

0.068" to 0.095"

0.070" to 0.076"

0.070" to 0.090"

0.071"

0.071" to 0.084"

0.071" to 0.085"

0.071" to 0.091"

0.072" to 0.082"

0.073" to 0.078"

0.073" to 0.083"

0.073" to 0.085"

0.074" to 0.082"

0.074" to 0.086"

0.074" to 0.121"

0.075"

0.075" to 0.081"

0.075" to 0.082"

0.075" to 0.119"

0.075" to 0.202"

0.076" to 0.080"

0.077" to 0.087"

0.078"

0.078" to 0.097"

0.078" to 0.108"

0.079"

0.079" to 0.098"

0.079" to 0.099"

0.080" to 0.099"

0.080" to 0.100"

0.080" to 0.110"

0.080" to 0.115"

0.081" to 0.093"

0.081" to 0.101"

0.081" to 0.105"

0.082" to 0.098"

0.083" to 0.097"

0.083" to 0.103"

0.084" to 0.097"

0.084" to 0.102"

0.084" to 0.103"

0.084" to 0.104"

0.084" to 0.114"

0.085" to 0.095"

0.085" to 0.096"

0.085" to 0.101"

0.085" to 0.102"

0.086" to 0.116"

0.086" to 0.132"

0.087" to 0.099"

0.088" to 0.098"

0.089" to 0.099"

0.09"

0.090" to 0.108"

0.090" to 0.110"

0.090" to 0.112"

0.090" to 0.114"

0.090" to 0.115"

0.090" to 0.119"

0.090" to 0.120"

0.090" to 0.134"

0.090" to 0.160"

0.091" to 0.099"

0.092" to 0.112"

0.093"

0.093" to 0.103"

0.093" to 0.104"

0.093" to 0.107"

3/32"

0.094"

0.094" to 0.114"

0.094" to 0.115"

0.094" to 0.116"

0.094" to 0.119"

0.094" to 0.156"

0.095" to 0.101"

0.097" to 0.112"

0.097" to 0.117"

0.097" to 0.121"

0.097" to 0.177"

0.098"

0.098" to 0.106"

0.099" to 0.116"

0.099" to 0.119"

0.099" to 0.120"

0.099" to 0.129"

0.100" to 0.180"

0.102" to 0.116"

0.104" to 0.111"

0.104" to 0.114"

0.104" to 0.116"

0.104" to 0.124"

0.104" to 0.180"

0.105" to 0.115"

0.105" to 0.130"

0.105" to 0.135"

0.108" to 0.160"

0.108" to 2.500"

0.109"

0.110" to 0.126"

0.110" to 0.130"

0.110" to 0.140"

0.112" to 0.128"

0.112" to 0.138"

0.112" to 0.139"

0.113" to 0.137"

0.113" to 0.143"

0.115" to 0.130"

0.115" to 0.135"

0.118" to 0.132"

0.120" to 0.130"

0.120" to 0.140"

0.120" to 0.141"

0.122" to 0.146"

0.122" to 0.177"

0.123" to 0.128"

0.124"

1/8"

0.125" to 0.145"

0.125" to 0.151"

0.125" to 0.187"

0.126" to 0.133"

0.126" to 0.220"

0.127" to 0.141"

0.128" to 0.187"

0.129" to 0.159"

0.130" to 0.150"

0.130" to 0.151"

0.131" to 0.145"

0.133" to 0.147"

0.134"

0.136" to 0.160"

0.136" to 0.161"

0.136" to 0.177"

0.136" to 0.192"

0.136" to 0.213"

0.140"

0.140" to 0.170"

0.140" to 0.171"

0.141"

0.142" to 0.149"

0.142" to 0.240"

0.146" to 0.162"

0.146" to 0.166"

0.146" to 0.174"

0.146" to 0.177"

0.150" to 0.220"

0.151" to 0.161"

0.153" to 0.167"

0.153" to 0.213"

0.156"

0.156" to 0.188"

0.156" to 0.189"

0.158" to 0.165"

0.158" to 0.260"

0.158" to 0.270"

0.158" to 0.280"

0.163" to 0.181"

0.167" to 0.192"

0.167" to 0.193"

0.168" to 0.186"

0.168" to 0.191"

0.168" to 0.192"

0.168" to 0.193"

0.170" to 0.190"

0.170" to 0.195"

0.170" to 0.200"

0.172"

0.175" to 0.201"

0.177" to 0.187"

0.177" to 0.197"

0.178" to 0.196"

0.178" to 0.280"

0.180" to 0.194"

0.182" to 0.202"

0.183" to 0.193"

0.185" to 0.195"

0.185" to 0.205"

0.187"

0.188"

0.189"

0.190" to 0.208"

0.193" to 0.203"

0.193" to 0.248"

0.193" to 0.250"

0.198" to 0.218"

0.198" to 0.223"

0.198" to 0.233"

0.199" to 0.224"

0.200" to 0.220"

0.200" to 0.222"

0.203"

0.203" to 0.213"

0.206" to 0.229"

0.210" to 0.280"

0.218"

0.219"

0.219" to 0.243"

0.220" to 0.240"

0.220" to 0.280"

0.225" to 0.265"

0.226" to 0.236"

0.228" to 0.310"

0.228" to 0.320"

0.230" to 0.255"

0.230" to 0.270"

0.234"

0.234" to 0.266"

0.235" to 0.245"

0.235" to 0.250"

0.235" to 0.255"

0.235" to 0.264"

0.235" to 0.265"

0.236" to 0.264"

0.238" to 0.263"

0.240" to 0.260"

0.240" to 0.272"

0.240" to 0.340"

0.245" to 0.255"

0.249" to 0.327"

0.250"

0.250" to 0.270"

0.260" to 0.280"

0.261" to 0.286"

0.265" to 0.290"

0.270" to 0.290"

0.271" to 0.291"

0.281"

0.293" to 0.318"

0.297" to 0.328"

0.298" to 0.308"

0.298" to 0.328"

0.302" to 0.332"

0.302" to 0.335"

0.303" to 0.323"

0.308" to 0.318"

0.312"

0.313"

0.330" to 0.350"

0.340" to 0.360"

0.344"

0.355" to 0.380"

0.359" to 0.391"

0.360" to 0.380"

0.360" to 0.390"

0.365" to 0.385"

0.365" to 0.397"

0.428" to 0.448"

0.460" to 0.480"

0.481" to 0.519"

0.485" to 0.515"

0.510" to 0.080"

0.2 to 0.4 mm

0.2 to 0.5 mm

0.220 to 0.420mm

0.3 to 0.5 mm

0.4 to 0.5 mm

0.4 to 0.6 mm

0.5 mm

0.5 to 0.6 mm

0.5 to 0.7 mm

0.6 mm

0.6 to 0.7 mm

0.6 to 0.8 mm

0.6 to 1.0 mm

0.7 mm

0.7 to 0.9 mm

0.7 to 1.0 mm

0.75 mm

0.80 mm

0.8 to 1.0 mm

0.8 to 1.2 mm

0.9 mm

0.9 to 1.0 mm

0.9 to 1.1 mm

0.9 to 1.2 mm

1.00 mm

1.0 to 1.4 mm

1.1 to 1.3 mm

1.20 mm

1.2 to 1.5 mm

1.2 to 1.6 mm

1.25 mm

1.3 mm

1.3 to 1.6 mm

1.3 to 1.7 mm

1.3 to 1.9 mm

1.4 to 1.6 mm

1.4 to 1.7 mm

1.4 to 1.8 mm

1.4 to 1.9 mm

1.50 mm

1.5 to 1.7 mm

1.5 to 2.4 mm

1.7 to 2.300 mm

1.8 to 2.2 mm

1.900 to 2.1mm

1.900 to 2.2mm

1.900 to 2.300mm

2.00 mm

2.0 to 2.1 mm

2.0 to 2.4 mm

2.0 to 2.9 mm

2.1 mm

2.100 to 2.500mm

2.100 to 2.600mm

2.200 to 2.500mm

2.200 to 2.600mm

2.200 to 2.8mm

2.3 mm

2.3 to 2.7 mm

2.4 to 2.7 mm

2.4 to 3.6 mm

2.50 mm

2.5 to 3.4 mm

2.6 to 3.1 mm

2.7 mm

2.7 to 3.3 mm

2.7 to 4.000 mm

2.8 to 3.2 mm

2.8 to 3.5 mm

2.9 mm

3.00 mm

3.0 to 3.3 mm

3.0 to 3.9 mm

3.200 to 3.8mm

3.200 to 4.000mm

3.3 to 3.7 mm

3.4 mm

3.4 to 4.600 mm

3.5 mm

3.5 to 4.4 mm

3.7 to 4.3 mm

3.8 mm

3.800 to 4.2mm

3.9 mm

4.0 mm

4.0 to 4.9 mm

4.0 to 6.0 mm

4.3 to 4.7 mm

4.4 to 5.6 mm

4.5 mm

4.5 to 5.1 mm

4.5 to 5.4 mm

4.8 mm

4.8 to 5.2 mm

5.0 mm

5.0 to 7.0 mm

5.4 to 6.6 mm

5.5 mm

5.7 mm

5.8 mm

5.8 to 6.2 mm

5.8 to 8.2 mm

5.970 to 6.730mm

6.0 mm

6.0 to 6.9 mm

6.0 to 8.0 mm

7.0 to 7.9 mm

7.0 to 9.0 mm

7.2 mm

9.0 to 11.0 mm

	Length Length

	Shape Shape


Round	Ring

D-Profile	Keyed

Made to Order

	Specifications Met Specifications Met

AMS

ASME

ASTM

ASTM F959 Type A490

DIN

FDA Compliant

Fed. Spec.

ISO

Mil. Spec.

NAS

SAE

SAE AMS-QQ-A-250/1

USS

	Hardness Hardness

54-65

80-92

	Color Color

	Off-White
	Black
	White
	Red
	Light Green
	Tan
	Clear
	Gray
	Blue
	Green
	Beige
	Brown
	Amber
	Coral
	Pink
	Purple
	Yellow

	Tensile Strength Tensile Strength

80,000 psi or greater

Not Rated

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

	Individual/Set Individual/Set

Individual

Set

	Magnetic Properties Magnetic Properties

May Be Mildly Magnetic

Magnetic

Nonmagnetic

	Fastener Strength Grade/Class Fastener Strength Grade/Class

	Dielectric Strength Dielectric Strength

	Tooth Location Tooth Location

	Internal
	External
	Internal/External

	For Shoulder Diameter For Shoulder Diameter

	Overall Height Overall Height

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13,082 Products

Washers

Oversized Washers

Compared to our general purpose washers, these have exaggerated diameters and/or thicknesses for covering oversized holes or for use as spacers and levelers.

Metric Oversized Washers

Compared to our general purpose washers, these have exaggerated diameters and/or thicknesses. Use them to cover oversized holes, hold heavy fastening loads, or as spacers and levelers.

Metric General Purpose Washers

Use these metric washers to evenly distribute the load under bolt or screw heads and nuts when fastening. They can also act as spacers.

General Purpose Washers

Mil. Spec. Washers

Choose these washers for their adherence to strict military standards for material and construction.

SAE Washers

SAE washers generally have a smaller ID and OD than USS washers.

USS Washers

USS washers generally have a larger ID and OD than SAE washers.

ASME Washers for Soft Material

Also known as Type B washers, these distribute your fastener's load over a larger surface area than other washers to minimize damage to soft materials.

Metric Washers for
Structural Applications

These thick washers are designed to support structural screws, studs, and nuts.

Washers for Structural Applications

Designed for use with A325 structural screws, studs, and nuts, these washers are often used for construction and exterior building applications.

Tension-Indicating Washers
for Structural Applications

When you’ve applied the correct tension, these washers release an orange dye as a visual indicator.

Washers for Blind Rivets

Also known as backup washers, these are for use with blind rivets for extra support when fastening into soft material.

Plastic Washers

Metric Plastic Washers

Mil. Spec. Plastic Washers

Choose these washers for their adherence to strict military standards for material and construction.

Electrical-Insulating Plastic Washers

Metric Electrical-Insulating
Plastic Washers

Water- and Steam-Resistant
Plastic Washers

Low moisture absorption and good heat resistance make these washers suitable for wet and harsh environments.

Metric Water- and
Steam-Resistant Plastic Washers

Low moisture absorption and good heat resistance make these metric washers suitable for wet and harsh environments.

Metric Chemical-Resistant
Plastic Washers

These metric washers surpass most other plastic washers when it comes to withstanding chemicals, oil, and grease.

High-Temperature Plastic Washers

These washers can withstand temperatures up to 450° or 500° F without degrading.

Chemical-Resistant Plastic Washers

These washers surpass most other plastic washers when it comes to withstanding chemicals, oil, and grease.

Metric High-Temperature
Plastic Washers

These metric washers can withstand temperatures up to 450° or 500° F without degrading.

High-Temperature Mica Washers

Mica washers withstand temperatures up to 1050° F.

Extreme-Temperature
Ceramic Washers

These washers hold up in blistering temperatures up to 3000° F.

Square Washers

Square washers fit into slots and channels and have flat sides to keep them from rotating.

Square Washers for Blind Rivets

Also known as backup washers, these are for use with blind rivets for extra support when fastening into soft material.

Electrical-Insulating Sleeve Washers

Also known as shoulder washers.

Countersunk Washers

Flat and oval head screws sit flush within these washers for a neat, finished appearance.

Metric Countersunk Washers

Flat and oval head screws sit flush within these metric washers for a neat, finished appearance.

Plastic Countersunk Washers

Plastic washers are good electrical insulators.

Finishing Countersunk Washers

Metric Finishing
Countersunk Washers

Electrical-Insulating
Rolled-Collar Sleeve Washers

As you tighten your screw, the rolled collar compresses under the head to create an insulating barrier between a screw shank and a mating surface.

Easy-Install Slotted Washers

A slot in the side allows you to install and remove these washers without completely disassembling your joint.

Cup Washers for Oversized Holes

Cover oversized holes and the ends of tubes and pipe with these cup-shaped washers.

Self-Retaining Washers

A specially shaped ID grips your screw shank tightly.

Oversized Clipped Washers

With greater diameters and/or thicknesses than general purpose washers, these washers cover oversized holes or act as spacers and levelers. Clipped to fit where standard washers can’t, they won’t rotate when you position the flat edge against a flat surface.

Clipped Washers

Clipped to fit where standard washers can't, these won't rotate when you position the flat edge against a flat surface.

Sealing Washers

Weather-Resistant
Rubber Sealing Washers

Sunlight, ozone, and water won’t affect these washers.

Oil-Resistant Rubber
Sealing Washers

These washers surpass other rubber washers when it comes to withstanding oil, grease, and fuel.

Abrasion-Resistant Rubber
and Plastic Sealing Washers

Made of durable material, these washers resist wear from rubbing and scraping surfaces.

Chemical-Resistant
Rubber Sealing Washers

These washers withstand harsh chemicals such as acetic acid and isopropyl alcohol.

High-Pressure-Rated
Metal-Bonded Sealing Washers

Able to withstand pressure greater than 3,000 psi, these one-piece bonded washers create the tightest seals.

Pressure-Rated Metal-Bonded
Sealing Washers

These washers are rated to withstand pressure up to 100 psi.

Metal-Bonded Sealing Washers

Create a stronger seal than metal or rubber alone. These one-piece washers are metal for strength with a bonded rubber seal that creates a tight grip.

Metal Sealing Washers

Also known as crush washers, these compress when tightened to form a tighter, more durable seal than rubber washers. They are commonly used to seal fluids such as oil and fuel.

Spring Lock Washers

Belleville Spring Lock Washers

Also known as conical washers, these have a slightly cupped shape that gives them spring-like flexibility to grip tighter than split and tooth lock washers.

Spring Lock Washers
for Plastic Screws

Designed for use with plastic screws, these acetal washers are good electrical insulators. They are excellent for use under water and in rotating assemblies.

Spring Lock Washers
for Slotted Bearing Nuts

Designed for use with bearing nuts, these lock washers have a conical shape that presses like a spring against bearings, bushings, gears, and pulleys to hold them in place on your threaded shaft or spindle.

Belleville Spring Lock Washers
for Socket Head Screws

These washers have smaller outside diameters than standard spring lock washers to fit neatly under socket head cap screws.

Metric Spring Lock Washers

The arched shape of these washers presses up against a bolt and down against a nut to prevent loosening from wear, vibration, or temperature changes.

Tooth Lock Washers

Internal-Tooth Lock Washers

Internal teeth dig into the screw head while the smooth outside edge won't snag objects. Use with fasteners that have small heads, such as fillister and cheese head screws.

Metric Internal-Tooth Lock Washers

Internal teeth dig into the screw head while the smooth outside edge won't snag objects. Use with metric fasteners that have small heads, such as fillister and cheese head screws.

Mil. Spec. Internal-Tooth
Lock Washers

Choose these washers for their adherence to strict military standards for material and construction.

External-Tooth Lock Washers

Teeth on the outside edge of the washer bite into the screw head and joint for a tight grip.

Tight-Grip External-Tooth
Lock Washers

The teeth on these washers bite further into the screw head and joint than standard external-tooth washers to provide a stronger hold.

Mil. Spec. External-Tooth
Lock Washers

Choose these washers for their adherence to strict military standards for material and construction.

Metric External-Tooth Lock Washers

Teeth on the outside edge of these metric washers bite into the screw head and joint for a tight grip.

Internal-/External-Tooth
Lock Washers

The combination of internal and external teeth boosts gripping power to maintain a tight hold and provide more vibration resistance than other tooth lock washers. Use with fasteners that have heads large enough to make contact with the external teeth, such as pan, button, and binding head screws.

Split Lock Washers

Oversized Split Lock Washers

Compared to standard split lock washers, these are thicker and have larger outside diameters.

Metric Split Lock Washers
for Socket Head Screws

Split Lock Washers for
Socket Head Screws

Split Lock Washers

As a screw is tightened, these washers flatten to add tension to the joint and prevent loosening from small amounts of vibration.

Mil. Spec. Split Lock Washers

Choose these washers for their adherence to strict military standards for material and construction.

Metric Split Lock Washers

As you tighten a bolt, these metric washers flatten to add tension to the threaded joint and prevent loosening from small amounts of vibration.

Metric Tab Lock Washers

Bend the tab of these metric lock washers against the flats of a hex nut or bolt head to prevent the fastener and washer from turning and loosening due to vibration, wear, or changes in temperature.

Wedge Lock Washers

Also known as NORD-LOCK® washers, these two-piece washers provide more locking power than split, tooth, and spring lock washers. Wedges on the inside lock the two pieces together, and serrations on the exterior grip surfaces to resist loosening from high vibration and shifting.

Cushioning Washers

Abrasion-Resistant
Cushioning Washers

These SBR rubber washers are reinforced with cloth fibers.

Abrasion-Resistant Leather Washers

These leather washers are nonmarring.

Moisture-Resistant
Cushioning Washers

These polyurethane washers withstand wet conditions as well as sunlight, ozone, and some chemicals.

Cushioning Washers

These wool felt washers can be soaked with oil to lubricate joints.

Leveling and Wave Washers

Leveling Washers for I-Beams

Leveling Washers

Metric Leveling Washers for I-Beams

Metric Leveling Washers

Triple-Wave Washers

With three points of surface contact, these washers provide more stability than single-wave washers.

Single-Wave Washers

These curved, flexible washers act like springs to compensate for tolerance variations and uneven surfaces.

Metric Single-Wave Washers

These curved, flexible washers act like springs to compensate for tolerance variations and uneven surfaces.

Unthreaded Spacers

18-8 Stainless Steel
Unthreaded Spacers

18-8 stainless steel spacers have good corrosion resistance.

Aluminum Unthreaded Spacers

Made of aluminum, these spacers are lightweight and mildly corrosion resistant.

Zinc-Plated Steel Unthreaded Spacers

The zinc plating provides some corrosion resistance.

316 Stainless Steel
Unthreaded Spacers

These spacers have excellent corrosion resistance and are passivated for enhanced protection.

Black-Anodized Aluminum
Unthreaded Spacers

The anodized coating on these lightweight spacers provides increased abrasion resistance over uncoated aluminum.

Zinc-Plated Brass
Unthreaded Spacers

Brass makes these spacers electrically conductive and the zinc-plated finish adds corrosion resistance.

Titanium Unthreaded Spacers

Choose titanium spacers for their high strength-to-weight ratio and excellent corrosion resistance.

Nylon Unthreaded Spacers

These spacers have excellent wear and abrasion resistance. Exposure to moisture may cause them to expand.

LDPE Unthreaded Spacers

Choose LDPE spacers for their excellent moisture resistance.

PTFE Unthreaded Spacers

PTFE spacers have a slippery surface and surpass most plastic spacers when it comes to chemical resistance and performance in extreme temperatures.

Polypropylene Unthreaded Spacers

Polypropylene spacers have a hard surface and resist many chemicals and solvents.

Acetal Unthreaded Spacers

Naturally slippery and wear resistant, acetal spacers also offer some resistance to moisture.

Polycarbonate Unthreaded Spacers

Made of FDA-listed material, these clear spacers can be used in food and beverage applications.

PEEK Unthreaded Spacers

Use PEEK spacers as an alternative to metal spacers in high-temperature, high-stress applications. They resist chemicals, wear, and moisture.

Made-to-Order Unthreaded Spacers

Choose the OD, ID, length, and material and we will accommodate your unique spacer needs.

Electrical-Insulating
Unthreaded Spacers

Protect components from electrical charges.

Polished Unthreaded Spacers

With their mirror-like finish, these are the go-to spacers when appearance matters.

Vibration-Damping
Unthreaded Spacers

Reduce vibration, shock, and noise with these spacers that compress between components.

Unthreaded Spacer Stock

Cut stock to the length you need.

Unthreaded Spacers for Tubes

Also known as saddle washers, the curved end fits against round objects such as tube and pipe.

Slotted Unthreaded Spacers

An economical alternative to standard unthreaded spacers.

Unthreaded Spacers for Keyed Shafts

Also known as arbor spacers, these are notched to space components on a keyed shaft.

Shims

Ring Shims

Precisely align, level, and adjust spacing on fasteners and shafts with these shims.

Ring Shim Sets

Be prepared with ring shims in a variety of thicknesses. These shims fit around fasteners and shafts to precisely align, level, and adjust spacing.

Wide-Rim Ring Shims

Also known as machinery bushings, these shims have an oversized OD to create a larger bearing surface for reduced wear between moving parts.

Tight-Fit Ring Shims

For a snug fit around a shaft, the ID of these shims is held to a tighter tolerance than other round shims.

Color-Coded Ring Shims

Precisely align, level, and adjust spacing on fasteners, shafts, and machinery with these shims, which are color-coded by thickness for easy identification.

Color-Coded Ring Shim Sets

Be prepared with ring shims in a variety of thicknesses. These shims are color-coded by thickness for easy identification.

Peel-Away Layered Ring Shims

These shims are made of layers of metal bonded with adhesive. Remove layers with a utility knife until you get the thickness you need.

Shims for Shortening
Screw Shoulders

Slide these shims under the screw head to shorten the shoulder length.

Shims for Lengthening
Screw Shoulders

Spin these shims onto screw threads to extend the shoulder length.

Shims for Button Dies

Place these shims under sharpened dies to restore their original height and extend their life.

Shims for Ball Bearings

Adjust spacing between bearings and other components on shafts. These shims are sized to fit the outer rim of a bearing.

Shims for D-Profile Shafts

These shims are shaped to fit over D-profile shafts. Use them to precisely align, level, and adjust spacing.

Shims for Keyed Shafts

Precisely shaped to fit snugly on keyed shafts, these shims align, level, and space components. Because of their tight fit, they also help components rotate in unison with the shaft.

Made-to-Order Shims

Send us a drawing, and we'll cut your custom shim.

Made-to-Order Peel-Away
Layered Shims

Send us a drawing, and we'll cut your custom shim. Shims are made of layers of metal bonded with adhesive; remove layers with a utility knife until you get the thickness you need.

Unthreaded Inserts for Plastic

Brass Unthreaded Inserts for Plastic

Made from brass, these inserts are nonmagnetic, mildly corrosion resistant, and electrically conductive.

Aluminum Unthreaded
Inserts for Plastic

These aluminum inserts are lightweight, nonmagnetic, and mildly corrosion resistant.

Fastener Assortments

Shim Assortments for Button Dies

Place these shims under sharpened dies to restore their original height and extend the life of the dies.

Oversized Washer Assortments

These washers have exaggerated diameters and/or thicknesses for covering oversized holes or for use as spacers and levelers.

Shim Assortments for
Lengthening Shoulder Screws

Spin these tight-fitting shims onto your screw's threads to lengthen the shoulder.

Dissolvable Shims

Use these paper shims to create a gap while welding, then spray them with water and they instantly melt away.

Terms and Conditions and Privacy Policy

V-Belts

High-Capacity Narrow-Wedge V-Belts

Washers

Oversized Washers

Metric Oversized Washers

Metric General Purpose Washers

General Purpose Washers

Mil. Spec. Washers

SAE Washers

USS Washers

ASME Washers for Soft Material

Metric Washers forStructural Applications

Washers for Structural Applications

Tension-Indicating Washersfor Structural Applications

Washers for Blind Rivets

Plastic Washers

Metric Plastic Washers

Mil. Spec. Plastic Washers

Electrical-Insulating Plastic Washers

Metric Electrical-InsulatingPlastic Washers

Water- and Steam-ResistantPlastic Washers

Metric Water- andSteam-Resistant Plastic Washers

Metric Chemical-ResistantPlastic Washers

High-Temperature Plastic Washers

Chemical-Resistant Plastic Washers

Metric High-TemperaturePlastic Washers

High-Temperature Mica Washers

Extreme-TemperatureCeramic Washers

Square Washers

Square Washers for Blind Rivets

Electrical-Insulating Sleeve Washers

Countersunk Washers

Metric Countersunk Washers

Plastic Countersunk Washers

Finishing Countersunk Washers

Metric FinishingCountersunk Washers

Electrical-InsulatingRolled-Collar Sleeve Washers

Easy-Install Slotted Washers

Cup Washers for Oversized Holes

Self-Retaining Washers

Oversized Clipped Washers

Clipped Washers

Sealing Washers

Weather-ResistantRubber Sealing Washers

Oil-Resistant RubberSealing Washers

Abrasion-Resistant Rubberand Plastic Sealing Washers

Chemical-ResistantRubber Sealing Washers

High-Pressure-RatedMetal-Bonded Sealing Washers

Pressure-Rated Metal-BondedSealing Washers

Metal-Bonded Sealing Washers

Metal Sealing Washers

Spring Lock Washers

Belleville Spring Lock Washers

Spring Lock Washersfor Plastic Screws

Spring Lock Washersfor Slotted Bearing Nuts

Belleville Spring Lock Washersfor Socket Head Screws

Metric Spring Lock Washers

Tooth Lock Washers

Internal-Tooth Lock Washers

Metric Internal-Tooth Lock Washers

Mil. Spec. Internal-ToothLock Washers

External-Tooth Lock Washers

Tight-Grip External-ToothLock Washers

Mil. Spec. External-ToothLock Washers

Metric External-Tooth Lock Washers

Internal-/External-ToothLock Washers

Split Lock Washers

Oversized Split Lock Washers

Metric Split Lock Washersfor Socket Head Screws

Split Lock Washers forSocket Head Screws

Split Lock Washers

Mil. Spec. Split Lock Washers

Metric Split Lock Washers

Metric Tab Lock Washers

Metric Tab Lock Washers

Wedge Lock Washers

Wedge Lock Washers

Cushioning Washers

Abrasion-ResistantCushioning Washers

Abrasion-Resistant Leather Washers

Moisture-ResistantCushioning Washers

Cushioning Washers

Metric Washers for
Structural Applications

Tension-Indicating Washers
for Structural Applications

Metric Electrical-Insulating
Plastic Washers

Water- and Steam-Resistant
Plastic Washers

Metric Water- and
Steam-Resistant Plastic Washers

Metric Chemical-Resistant
Plastic Washers

Metric High-Temperature
Plastic Washers

Extreme-Temperature
Ceramic Washers

Metric Finishing
Countersunk Washers

Electrical-Insulating
Rolled-Collar Sleeve Washers

Weather-Resistant
Rubber Sealing Washers

Oil-Resistant Rubber
Sealing Washers

Abrasion-Resistant Rubber
and Plastic Sealing Washers

Chemical-Resistant
Rubber Sealing Washers

High-Pressure-Rated
Metal-Bonded Sealing Washers

Pressure-Rated Metal-Bonded
Sealing Washers

Spring Lock Washers
for Plastic Screws

Spring Lock Washers
for Slotted Bearing Nuts

Belleville Spring Lock Washers
for Socket Head Screws

Mil. Spec. Internal-Tooth
Lock Washers

Tight-Grip External-Tooth
Lock Washers

Mil. Spec. External-Tooth
Lock Washers

Internal-/External-Tooth
Lock Washers

Metric Split Lock Washers
for Socket Head Screws

Split Lock Washers for
Socket Head Screws

Abrasion-Resistant
Cushioning Washers

Moisture-Resistant
Cushioning Washers

18-8 Stainless Steel
Unthreaded Spacers

316 Stainless Steel
Unthreaded Spacers

Black-Anodized Aluminum
Unthreaded Spacers

Zinc-Plated Brass
Unthreaded Spacers

Electrical-Insulating
Unthreaded Spacers

Vibration-Damping
Unthreaded Spacers

Shims for Shortening
Screw Shoulders

Shims for Lengthening
Screw Shoulders

Made-to-Order Peel-Away
Layered Shims

Aluminum Unthreaded
Inserts for Plastic

Shim Assortments for
Lengthening Shoulder Screws