McMaster-Carr


Flat	Split Lock

Tooth Lock	Wave

Countersunk	Angled Edge

Spherical	For Electrical Terminals

Wedge Lock	Cup for Oversized Holes

For Plaster	Leveling for I- Beams

Metal Bonded	Self-Retaining

Sleeve	Spring Lock

Square	Clipped

Curved	For Foam Insulation

Notched	Raised Grid

Slotted	Square-Neck Bolt Lock

Tab Lock	Tension Indicating

	OD OD

	ID ID

	Thickness Thickness

0.001" to 0.003"

0.002" to 0.004"

0.004"

0.004" to 0.006"

0.005"

0.005" to 0.006"

0.005" to 0.024"

0.005" to 0.030"

0.008" 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"

0.013" 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 0.018"

0.015" to 0.019"

0.015" to 0.025"

0.015" to 0.250"

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"

0.020"

0.020" to 0.024"

0.020" to 0.025"

0.020" to 0.027"

0.020" to 0.030"

0.020" to 0.040"

0.020" to 0.042"

0.020" to 0.060"

0.021" to 0.041"

0.022"

0.022" to 0.028"

0.022" to 0.042"

0.023" to 0.027"

0.023" to 0.028"

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 0.031"

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 0.045"

0.030" to 0.050"

0.030" to 0.055"

0.030" to 0.065"

0.030" to 0.070"

0.031"

0.032"

0.032" to 0.040"

0.033" to 0.037"

0.033" to 0.047"

0.033" to 0.057"

0.034" to 0.044"

0.034" to 0.060"

0.035"

0.035" to 0.045"

0.035" to 0.055"

0.036"

0.036" to 0.042"

0.036" to 0.044"

0.036" to 0.045"

0.036" to 0.060"

0.036" to 0.065"

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"

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 0.051"

0.043" to 0.057"

0.044" to 0.052"

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"

0.047"

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" to 0.055"

0.049" to 0.061"

0.049" to 0.068"

0.049" to 0.069"

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"

0.057" to 0.075"

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"

0.060" 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"

0.061" to 0.063"

0.062"

0.062" to 0.067"

0.062" to 0.077"

0.063"

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 0.094"

0.074" to 0.121"

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"

0.077" to 0.087"

0.078"

0.078" to 0.097"

0.078" to 0.108"

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"

0.082" to 0.098"

0.083" to 0.097"

0.083" to 0.103"

0.084" to 0.102"

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"

0.090"

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"

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"

0.097" to 0.117"

0.097" to 0.121"

0.097" to 0.177"

0.098"

0.098" to 0.106"

0.098" to 0.120"

0.099" to 0.116"

0.099" to 0.119"

0.099" to 0.120"

0.099" to 0.129"

0.100"

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"

0.105" to 0.115"

0.105" to 0.130"

0.105" to 0.135"

0.108" to 0.160"

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"

0.113" to 0.137"

0.113" to 0.143"

0.115"

0.115" to 1/8"

0.115" to 0.130"

0.115" to 0.135"

0.118"

0.118" to 0.132"

0.120"

0.120" to 0.130"

0.120" to 0.140"

0.120" to 0.141"

0.122"

0.122" to 0.146"

0.122" to 0.177"

0.123" to 0.128"

0.125"

0.125" to 0.145"

0.125" to 0.151"

0.125" to 0.187"

0.125" to 0.188"

0.126" to 0.133"

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"

0.136" 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"

0.146" 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"

0.151" to 0.161"

0.153" to 0.167"

0.153" to 0.213"

0.156"

0.156" to 0.189"

0.158" to 0.165"

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 0.200"

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"

0.188"

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"

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"

0.281" to 0.343"

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"

0.345"

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"

0.413" to 0.463"

0.428" to 0.448"

0.460" to 0.480"

0.469" to 0.531"

0.475" to 0.525"

0.481" to 0.519"

0.485" to 0.515"

0.496"

0.500"

0.2 to 0.4 mm

0.2 to 0.5 mm

0.3 to 0.5 mm

0.4 to 0.6 mm

0.5 to 0.7 mm

0.6 to 0.8 mm

0.6 to 0.9 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 1.1 mm

0.9 to 1.2 mm

1.00 mm

1.0 to 1.4 mm

1.1 to 1.3 mm

1.1 to 1.4 mm

1.20 mm

1.2 to 1.5 mm

1.2 to 1.6 mm

1.2 to 1.8 mm

1.25 mm

1.3 mm

1.3 to 1.7 mm

1.3 to 1.9 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

1.6 to 2.3 mm

1.7 to 2.3 mm

1.8 to 2.2 mm

1.9 to 2.1 mm

1.9 to 2.2 mm

2.00 mm

2.0 to 2.1 mm

2.0 to 2.4 mm

2.0 to 2.8 mm

2.0 to 2.9 mm

2.1 mm

2.1 to 2.5 mm

2.1 to 2.6 mm

2.2 to 2.5 mm

2.2 to 2.8 mm

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

2.5 to 3.5 mm

2.7 mm

2.7 to 3.3 mm

2.7 to 4.0 mm

2.8 to 3.2 mm

2.8 to 3.5 mm

2.8 to 3.6 mm

2.9 mm

3.00 mm

3.0 to 3.3 mm

3.0 to 3.9 mm

3.0 to 4.0 mm

3.0 to 4.5 mm

3.1 to 4.6 mm

3.1 to 4.8 mm

3.2 to 3.8 mm

3.3 to 3.7 mm

3.4 mm

3.4 to 4.6 mm

3.5 mm

3.5 to 4.4 mm

3.5 to 4.6 mm

3.7 to 4.3 mm

3.8 mm

3.8 to 4.2 mm

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

	Specifications Met Specifications Met

ASME

DIN

ISO

SAE

Mil. Spec.

USS

NAS

SAE J314

ASTM

	Hardness Hardness

	Color Color

	Off-White		Black
	Gray		Red
	White		Clear
	Blue		Brown
	Green		Light Green
	Orange		Tan

	Tooth Location Tooth Location

	External
	Internal
	Internal/External

	Fastener Strength Grade/Class Fastener Strength Grade/Class

	Width Width

	Length Length

	ASME Designation ASME Designation

Narrow

Regular

Wide

	Split Lock Washer Type Split Lock Washer Type


Standard	Curved

Wave

	Minimum Temperature Minimum Temperature

	Maximum Temperature Maximum Temperature

	Overall Height Overall Height

	Countersink Angle Countersink Angle

82°

90°

100°

	Seal Material Seal Material

Rubber

Plastic

	Serration Location Serration Location

Top and Bottom

Top

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5,351 Products

About Washers

Washers

Lock Washers

These washers have a locking feature to resist loosening from vibration.

Leveling and Wave Washers

Compensate for tolerance variations and uneven surfaces.

Cushioning Washers

Cushion joints to damp vibration and protect from wear.

Sealing Washers

Prevent fluids from leaking around fasteners.

Washer Assortments

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Fasteners

Washers

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Leveling and Wave Washers

Cushioning Washers

Sealing Washers

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