0.055" Shims | McMaster-Carr

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	System of Measurement System of Measurement

	For Keyway Width For Keyway Width

	Thickness Thickness	Show

	Thickness Thickness	Hide

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"

0.008" to 0.012"

0.008" to 0.020"

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" 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" to 0.016"

0.014" to 0.018"

0.014" to 0.020"

0.014" to 0.033"

0.015" to 0.017"

0.015" to 0.018"

0.015" to 0.019"

0.015" to 0.023"

0.015" to 0.025"

0.016" to 0.018"

0.016" to 0.020"

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" 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" to 0.024"

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"

0.020" to 0.060"

0.021" to 0.041"

0.022" to 0.028"

0.022" to 0.032"

0.022" to 0.042"

0.023" to 0.027"

0.023" to 0.028"

0.023" to 0.033"

0.024" to 0.032"

0.024" to 0.034"

0.024" to 0.036"

0.024" to 0.038"

0.024" to 0.039"

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" 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" 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" to 0.033"

0.031" to 0.062"

0.032" to 0.040"

0.033" to 0.037"

0.033" to 0.043"

0.033" to 0.047"

0.033" to 0.057"

0.034" to 0.044"

0.034" to 0.060"

0.035" to 0.045"

0.035" to 0.055"

0.035" to 0.070"

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 0.041"

0.037" to 0.043"

0.037" to 0.045"

0.037" to 0.049"

0.038" to 0.048"

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 0.053"

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" to 0.047"

0.043" to 0.051"

0.043" to 0.053"

0.043" to 0.057"

0.044" to 0.051"

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"

0.046" to 0.078"

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" 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" 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" 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" 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" 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"

0.060" to 0.100"

0.061" to 0.063"

0.062" to 0.064"

0.062" to 0.067"

0.062" to 0.077"

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" 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" to 0.087"

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"

0.081" 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 0.104"

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" 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" to 0.103"

0.093" to 0.104"

0.093" to 0.107"

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 0.117"

0.097" to 0.121"

0.097" to 0.130"

0.097" to 0.177"

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" to 0.116"

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 0.150"

0.108" to 0.160"

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"

0.120" to 0.159"

0.120" to 0.171"

0.120" to 0.187"

0.122" to 0.138"

0.122" to 0.146"

0.122" to 0.177"

0.123" to 0.128"

0.125" to 0.145"

0.125" to 0.151"

0.125" to 0.188"

0.126" to 0.133"

0.126" to 0.220"

0.126" to 0.240"

0.127" to 0.141"

0.130" to 0.140"

0.130" to 0.150"

0.130" to 0.151"

0.131" to 0.145"

0.133" to 0.147"

0.136" to 0.152"

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" to 0.170"

0.142" to 0.149"

0.142" to 0.230"

0.142" to 0.240"

0.142" to 0.260"

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" to 0.188"

0.156" to 0.189"

0.158" to 0.165"

0.158" to 0.240"

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 0.191"

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"

0.175" 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"

0.190" 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" to 0.213"

0.206" to 0.229"

0.210" to 0.280"

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" 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" 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" 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"

0.330" to 0.350"

0.340" to 0.360"

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"

0.469" to 0.531"

0.475" to 0.525"

0.481" to 0.519"

0.485" to 0.515"

0.15 to 0.25 mm

0.203 to 0.508mm

0.220 to 0.420mm

0.25 to 0.35 mm

0.35 to 0.45 mm

0.45 to 0.55 mm

1.168 to 1.981mm

1.190 to 1.950mm

1.2 to 1.750 mm

1.320 to 1.820mm

1.600 to 2.360mm

3.200 to 5.500mm

4.0 to 5.100 mm

4.0 to 7.500 mm

4.5 to 5.100 mm

4.8 to 7.500 mm

5.970 to 6.730mm

	Length Length

	For Screw Size For Screw Size

	Material Material

	Finish Finish

	Washer Type Washer Type

	Spring Lock

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

	ID ID

	OD OD

	Hardness Hardness

	Overall Height Overall Height

	Serration Location Serration Location

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5 Products

About Washers

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About Keyway Broaches

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Belleville Spring Lock Washers for Socket Head Screws

Zinc-Plated Steel

These washers have smaller outside diameters than standard spring lock washers to fit neatly under socket head cap screws. 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. They minimize loosening from wear, temperature changes, and vibration. Serrations on the top and bottom provide extra gripping power. Load-rated Belleville disc springs are also available.

For technical drawings and 3-D models, click on a part number.

Inch and Metric

Zinc-Plated Steel
For Screw Size	ID	OD	Thick.	Overall Ht.	Hardness	Pkg. Qty.		Pkg.
3/4", M19	0.787"	1.181"	0.055"	0.098"	Rockwell C38	10	000000000	000000
7/8", M22	0.906"	1.299"	0.055"	0.106"	Rockwell C38	5	000000000	00000

Metric

Zinc-Plated Steel
For Screw Size	ID	OD	Thick.	Overall Ht.	Hardness	Pkg. Qty.		Pkg.
M18	0.748"	1.063"	0.055"	0.091"	Rockwell C38	10	000000000	000000
M20	0.827"	1.181"	0.055"	0.098"	Rockwell C38	5	000000000	00000

Shims for Keyway Broaches

When broaching in multiple passes, shims are necessary to ensure full keyway depth. Slide them between the broach and bushing to set the depth of the keyway.

Note: Broaches have a style designation of A, B, B1, C, C1, D, D1, or E. For proper fit, broaches, bushings, and shims used together must have the same letter designation.

For technical drawings and 3-D models, click on a part number.

For Keyway Wd.	For Broach Style	Thick.	Overall Lg.	Material		Each
5/16"	C	0.0550"	2 11/16"	Steel	0000000	00000

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