0.312" Shims | McMaster-Carr

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	Material Material

Stainless Steel

	System of Measurement System of Measurement

	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 0.015"

0.010" to 0.016"

0.010" to 0.020"

0.010" to 0.030"

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 0.018"

0.014" to 0.020"

0.014" to 0.033"

0.015" to 0.017"

0.015" to 0.019"

0.015" to 0.025"

0.015" to 0.250"

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"

0.020" 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 0.038"

0.025" to 0.031"

0.025" to 0.035"

0.025" to 0.039"

0.025" to 0.040"

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"

0.029" to 0.033"

0.029" to 0.034"

0.029" to 0.043"

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"

0.031" 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"

0.034" to 0.044"

0.034" to 0.060"

0.035" to 0.045"

0.035" to 0.055"

0.036" to 0.042"

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"

0.040" to 0.050"

0.040" to 0.054"

0.040" to 0.060"

0.040" to 0.080"

0.041" to 0.053"

0.042" to 0.050"

0.042" to 0.051"

0.042" to 0.052"

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 0.055"

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 0.080"

0.051" to 0.084"

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"

0.056" 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 0.067"

0.060" to 0.070"

0.060" to 0.080"

0.060" to 0.090"

0.062" to 0.064"

0.062" to 0.067"

0.062" to 0.077"

0.064" to 0.076"

0.064" to 0.083"

0.064" to 0.104"

0.068" to 0.078"

0.068" to 0.088"

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 0.083"

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"

0.080" to 0.099"

0.080" to 0.100"

0.081" to 0.093"

0.081" to 0.101"

0.081" to 0.105"

0.083" to 0.097"

0.083" to 0.103"

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"

0.089" to 0.099"

0.090" to 0.110"

0.090" to 0.112"

0.090" to 0.114"

0.090" to 0.115"

0.090" to 0.134"

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 0.156"

0.095" to 0.101"

0.097" to 0.117"

0.097" to 0.177"

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"

0.104" 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"

0.110" 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 0.143"

0.115" to 1/8"

0.115" to 0.135"

0.118" to 0.132"

0.120" to 0.130"

0.120" to 0.140"

0.122" to 0.146"

0.122" to 0.177"

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" to 0.170"

0.140" to 0.171"

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"

0.153" to 0.167"

0.153" to 0.213"

0.156" to 0.189"

0.158" to 0.165"

0.163" to 0.181"

0.168" to 0.186"

0.168" to 0.193"

0.170" to 0.190"

0.170" to 0.200"

0.175" to 0.201"

0.177" to 0.197"

0.178" to 0.280"

0.182" to 0.202"

0.185" to 0.195"

0.185" to 0.205"

0.193" to 0.203"

0.193" to 0.248"

0.193" to 0.250"

0.198" to 0.218"

0.198" to 0.233"

0.200" to 0.222"

0.203" to 0.213"

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"

0.230" to 0.255"

0.230" to 0.270"

0.234" to 0.266"

0.235" to 0.245"

0.235" to 0.255"

0.235" to 0.265"

0.236" to 0.264"

0.238" to 0.263"

0.240" to 0.272"

0.240" to 0.340"

0.249" to 0.327"

0.250" to 0.270"

0.260" to 0.280"

0.270" to 0.290"

0.271" to 0.291"

0.281" to 0.343"

0.293" to 0.318"

0.298" to 0.308"

0.302" to 0.335"

0.330" to 0.350"

0.340" to 0.360"

0.355" to 0.380"

0.360" to 0.380"

0.365" to 0.397"

0.413" to 0.463"

0.460" to 0.480"

0.469" to 0.531"

0.475" to 0.525"

0.481" to 0.519"

0.2 to 0.4 mm

0.2 to 0.5 mm

0.203 to 0.508mm

0.3 to 0.5 mm

0.4 to 0.5 mm

0.4 to 0.6 mm

0.5 to 0.6 mm

0.5 to 0.7 mm

0.6 to 0.7 mm

0.6 to 0.8 mm

0.6 to 0.9 mm

0.6 to 1.0 mm

0.7 to 0.8 mm

0.7 to 0.9 mm

0.7 to 1.0 mm

0.8 to 0.9 mm

0.8 to 1.0 mm

0.8 to 1.2 mm

0.9 to 1.0 mm

0.9 to 1.1 mm

0.9 to 1.2 mm

1.0 to 1.2 mm

1.0 to 1.4 mm

1.1 to 1.3 mm

1.1 to 1.4 mm

1.2 to 1.5 mm

1.2 to 1.6 mm

1.2 to 1.8 mm

1.3 to 1.700 mm

1.3 to 1.9 mm

1.4 to 1.6 mm

1.4 to 1.700 mm

1.4 to 1.8 mm

1.4 to 1.9 mm

1.5 to 1.700 mm

1.5 to 2.4 mm

1.6 to 2.300 mm

1.7 to 2.300 mm

1.8 to 2.2 mm

1.900 to 2.1mm

1.900 to 2.300mm

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 to 2.5 mm

2.200 to 2.5mm

2.200 to 2.600mm

2.200 to 2.8mm

2.3 to 2.7 mm

2.4 to 3.6 mm

2.5 to 3.4 mm

2.5 to 3.5 mm

2.700 to 3.300mm

2.700 to 4.000mm

2.8 to 3.2 mm

2.8 to 3.5 mm

2.8 to 3.6 mm

3.0 to 3.300 mm

3.0 to 3.9 mm

3.0 to 4.000 mm

3.0 to 4.5 mm

3.1 to 4.600 mm

3.1 to 4.8 mm

3.200 to 3.8mm

3.200 to 4.000mm

3.3 to 3.7 mm

3.4 to 4.600 mm

3.5 to 4.4 mm

3.5 to 4.600 mm

3.7 to 4.3 mm

3.800 to 4.2mm

3.800 to 4.600mm

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 to 5.1 mm

4.5 to 5.4 mm

4.8 to 5.2 mm

5.0 to 7.0 mm

5.4 to 6.6 mm

5.8 to 6.2 mm

5.8 to 8.2 mm

5.970 to 6.730mm

6.0 to 6.9 mm

6.0 to 8.0 mm

7.0 to 7.9 mm

7.0 to 9.0 mm

9.0 to 11.0 mm

	For Screw Size For Screw Size

	Finish Finish

Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

	Washer Type Washer Type

	Split Lock

	ID ID

	OD OD

	Specifications Met Specifications Met

Mil. Spec.

	Hardness Hardness

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About Washers

More

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.

316 stainless steel washers have excellent resistance to chemicals and salt water. They may be mildly magnetic.

18-8 stainless steel washers have good chemical resistance and may be mildly magnetic.

Zinc- and zinc yellow-chromate plated steel washers are corrosion resistant in wet environments.

Hot-dipped galvanized steel washers are 10 times as corrosion resistant as zinc- and zinc yellow-chromate plated washers.

Washers that meet ASME B18.21.1 adhere to strict dimensional standards. Steel washers also meet standards for material properties.

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

316 Stainless Steel
For Screw Size	ID	OD	Thick.	Hardness	Specifications Met	Pkg. Qty.		Pkg.
1 1/4"	1.280"	2.036"	0.312"	Rockwell C35	ASME B18.21.1	1	000000000	00000
18-8 Stainless Steel
1 1/4"	1.280"	2.036"	0.312"	Rockwell C35	ASME B18.21.1	1	000000000	0000
Zinc-Plated Steel
1 1/4"	1.280"	2.036"	0.312"	Rockwell C38	ASME B18.21.1	5	000000000	0000
Hot-Dipped Galvanized Steel
1 1/4"	1.280"	2.036"	0.312"	Rockwell C38	ASME B18.21.1	5	000000000	00000
Steel
1 1/4"	1.280"	2.036"	0.312"	Rockwell C38	ASME B18.21.1	10	000000000	00000

Mil. Spec. Split Lock Washers

Choose these washers for their adherence to strict military standards for material and construction. As a screw is tightened, they flatten to add tension to the joint and prevent loosening from small amounts of vibration.

18-8 stainless steel washers have excellent corrosion resistance in most environments. They may be mildly magnetic.

Passivated stainless steel washers have added protection against oxidation and corrosion. Cadmium- and zinc yellow-chromate plated steel washers are corrosion resistant in wet environments.

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

Passivated 18-8 Stainless Steel
For Screw Size	ID	OD	Thick.	Hardness	Specifications Met	Pkg. Qty.		Pkg.
MS35338
1 1/4"	1.254"	2.036"	0.312"	Rockwell C35	ASME B18.21.1; MS35338-150	1	000000000	00000
Zinc Yellow-Chromate Plated Steel
MS35338
1 1/4"	1.254"	2.036"	0.312"	Rockwell C38	ASME B18.21.1; MS35338-55	2	000000000	0000

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