Mil. Spec. Tooth Lock Washers

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234 Products

Made-to-Order Shims

For unique shim shapes or sizes, send a dimensioned STEP or DXF file to chi.sales@mcmaster.com and we’ll precision cut your shim. Shims include a material certificate with traceable lot number and test report.

Please leave at least 1/8" wall between shim edge and holes. Minimum hole size is 1/8". Shims should be no smaller than 1" × 1" square or 1" OD. Maximum shim dimension is the largest overall length, width, or diameter of your custom shim.

For accurate leveling, choose materials such as steel or stainless steel, which are hard enough to resist scratching and deforming. Softer shims, like brass, can be used as wear plates between components that rub together, preventing damage to equipment.

Stainless steel shims are more corrosion resistant than carbon steel shims. 316 stainless steel shims have the best corrosion resistance of our stainless steel shims.

Carbon steel shims have excellent strength and can be welded, but they aren't as corrosion resistant as other shims.

Brass shims are corrosion resistant and nonmagnetic.

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

2" × 2" Max. Shim Size
Thick.	Thick. Tolerance	Min. Hole Size	Min. Wall Thick.	Cutout Tolerance	Min. Hardness	Max. Hardness		Pkg. of 16
1008-1010 Carbon Steel—ASTM A109, Fed. Spec. QQ-S-698
0.001"	-0.00005" to 0.00005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	000000
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.006"	-0.0003" to 0.0003"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.007"	-0.00035" to 0.00035"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.009"	-0.00045" to 0.00045"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.015"	-0.00075" to 0.00075"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
260 Brass—ASTM B36, Fed. Spec. QQ-B-613
0.001"	-0.00005" to 0.00005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
316 Stainless Steel—ASTM A240, Fed. Spec. QQ-S-766
0.001"	-0.00005" to 0.00005"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.006"	-0.0003" to 0.0003"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.007"	-0.00035" to 0.00035"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.009"	-0.00045" to 0.00045"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.015"	-0.00075" to 0.00075"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
								Pkg. of 4
5" × 5" Max. Shim Size
1008-1010 Carbon Steel—ASTM A109, Fed. Spec. QQ-S-698
0.001"	-0.00005" to 0.00005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.006"	-0.0003" to 0.0003"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.007"	-0.00035" to 0.00035"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.009"	-0.00045" to 0.00045"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.015"	-0.00075" to 0.00075"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
260 Brass—ASTM B36, Fed. Spec. QQ-B-613
0.001"	-0.00005" to 0.00005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
316 Stainless Steel—ASTM A240, Fed. Spec. QQ-S-766
0.001"	-0.00005" to 0.00005"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.006"	-0.0003" to 0.0003"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.007"	-0.00035" to 0.00035"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.009"	-0.00045" to 0.00045"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.015"	-0.00075" to 0.00075"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
								Pkg. of 9
7" × 7" Max. Shim Size
1008-1010 Carbon Steel—ASTM A109, Fed. Spec. QQ-S-698
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	000000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	000000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.006"	-0.0003" to 0.0003"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.007"	-0.00035" to 0.00035"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.009"	-0.00045" to 0.00045"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.015"	-0.00075" to 0.00075"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
260 Brass—ASTM B36, Fed. Spec. QQ-B-613
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.005"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
316 Stainless Steel—ASTM A240, Fed. Spec. QQ-S-766
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.006"	-0.0003" to 0.0003"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.007"	-0.00035" to 0.00035"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.015"	-0.00075" to 0.00075"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
								Pkg. of 4
11" x 11" Max. Shim Size
1008-1010 Carbon Steel—ASTM A109, Fed. Spec. QQ-S-698
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	000000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	000000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.006"	-0.0003" to 0.0003"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.007"	-0.00035" to 0.00035"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.009"	-0.00045" to 0.00045"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.015"	-0.00075" to 0.00075"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
260 Brass—ASTM B36, Fed. Spec. QQ-B-613
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
316 Stainless Steel—ASTM A240, Fed. Spec. QQ-S-766
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.006"	-0.0003" to 0.0003"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.007"	-0.00035" to 0.00035"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.015"	-0.00075" to 0.00075"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
								Pkg. of 1
23" x 23" Max. Shim Size
1008-1010 Carbon Steel—ASTM A109, Fed. Spec. QQ-S-698
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	000000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	000000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.006"	-0.0003" to 0.0003"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.007"	-0.00035" to 0.00035"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.009"	-0.00045" to 0.00045"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.015"	-0.00075" to 0.00075"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B90	__	000000000	00000
260 Brass—ASTM B36, Fed. Spec. QQ-B-613
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	00000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	Rockwell B60	__	000000000	000000
316 Stainless Steel—ASTM A240, Fed. Spec. QQ-S-766
0.002"	-0.0001" to 0.0001"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.003"	-0.00015" to 0.00015"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.004"	-0.0002" to 0.0002"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.005"	-0.00025" to 0.00025"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	00000
0.006"	-0.0003" to 0.0003"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.007"	-0.00035" to 0.00035"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.01"	-0.0005" to 0.0005"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.015"	-0.00075" to 0.00075"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.02"	-0.001" to 0.001"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.025"	-0.00125" to 0.00125"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000
0.031"	-0.00155" to 0.00155"	1/8"	1/8"	-0.02" to 0.02"	__	Rockwell B95	000000000	000000

Made-to-Order Peel-Away Layered Shims

For unique shim shapes or sizes, send a dimensioned STEP or DXF file to chi.sales@mcmaster.com and we’ll precision cut your shim. Shims are made of layers of metal bonded with adhesive; remove layers with a utility knife until you get the thickness you need. To make the layers easier to pull apart, gently heat the shim to soften the adhesive. Shims include a material certificate with traceable lot number and test report.

For accurate leveling, choose materials such as steel or stainless steel, which are hard enough to resist scratching and deforming. Softer shims, like brass or aluminum, can be used as wear plates between components that rub together, preventing damage to equipment.

Carbon steel shims have excellent strength and can be welded, but aren't as corrosion resistant as other shims.

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

2" × 2" Max. Shim Size
Thick.	Thick. Tolerance	Min. Hole Size	Min. Wall Thick.	Cutout Tolerance	No. of Layers	Layer Thick.	Min. Hardness	Max. Hardness	Specifications Met		Pkg. of 16
1008-1010 Carbon Steel—Fed. Spec. QQ-S-698
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	4	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.016"	-0.0008" to 0.0008"	1/8"	1/8"	-0.02" to 0.02"	8	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	00000
0.032"	-0.0016" to 0.0016"	1/8"	1/8"	-0.02" to 0.02"	16	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.048"	-0.0024" to 0.0024"	1/8"	1/8"	-0.02" to 0.02"	24	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.062"	-0.0031" to 0.0031"	1/8"	1/8"	-0.02" to 0.02"	32	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.124"	-0.0062" to 0.0062"	1/8"	1/8"	-0.02" to 0.02"	62	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
											Pkg. of 4
5" × 5" Max. Shim Size
1008-1010 Carbon Steel—Fed. Spec. QQ-S-698
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	4	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	00000
0.016"	-0.0008" to 0.0008"	1/8"	1/8"	-0.02" to 0.02"	8	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	00000
0.032"	-0.0016" to 0.0016"	1/8"	1/8"	-0.02" to 0.02"	16	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.048"	-0.0024" to 0.0024"	1/8"	1/8"	-0.02" to 0.02"	24	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.062"	-0.0031" to 0.0031"	1/8"	1/8"	-0.02" to 0.02"	32	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.124"	-0.0062" to 0.0062"	1/8"	1/8"	-0.02" to 0.02"	62	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
											Pkg. of 9
7" × 7" Max. Shim Size
1008-1010 Carbon Steel—Fed. Spec. QQ-S-698
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	4	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.016"	-0.0008" to 0.0008"	1/8"	1/8"	-0.02" to 0.02"	8	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.032"	-0.0016" to 0.0016"	1/8"	1/8"	-0.02" to 0.02"	16	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.048"	-0.0024" to 0.0024"	1/8"	1/8"	-0.02" to 0.02"	24	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.062"	-0.0031" to 0.0031"	1/8"	1/8"	-0.02" to 0.02"	32	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.124"	-0.0062" to 0.0062"	1/8"	1/8"	-0.02" to 0.02"	62	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
											Pkg. of 4
11" x 11" Max. Shim Size
1008-1010 Carbon Steel—Fed. Spec. QQ-S-698
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	4	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.016"	-0.0008" to 0.0008"	1/8"	1/8"	-0.02" to 0.02"	8	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.032"	-0.0016" to 0.0016"	1/8"	1/8"	-0.02" to 0.02"	16	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.048"	-0.0024" to 0.0024"	1/8"	1/8"	-0.02" to 0.02"	24	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.062"	-0.0031" to 0.0031"	1/8"	1/8"	-0.02" to 0.02"	32	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.124"	-0.0062" to 0.0062"	1/8"	1/8"	-0.02" to 0.02"	62	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
											Pkg. of 1
23" x 23" Max. Shim Size
1008-1010 Carbon Steel—Fed. Spec. QQ-S-698
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.02" to 0.02"	4	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.016"	-0.0008" to 0.0008"	1/8"	1/8"	-0.02" to 0.02"	8	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.032"	-0.0016" to 0.0016"	1/8"	1/8"	-0.02" to 0.02"	16	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.048"	-0.0024" to 0.0024"	1/8"	1/8"	-0.02" to 0.02"	24	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.062"	-0.0031" to 0.0031"	1/8"	1/8"	-0.02" to 0.02"	32	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000
0.124"	-0.0062" to 0.0062"	1/8"	1/8"	-0.02" to 0.02"	62	0.002"	Rockwell B54	Rockwell B65	Fed. Spec. QQ-S-698	000000000	000000

Mil. Spec. External Retaining Rings

These rings meet military specification MS16624. Open them with retaining ring pliers (sold separately), pass them over the end of a shaft, and release to spring into the groove. Ring ID is measured with the ring uninstalled.

15-7 PH stainless steel rings are high strength with good corrosion resistance. Rings are passivated for added protection against corrosion.

Thrust load capacity, also known as PR, is based on using a shaft that is harder than the ring.

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

	For Groove		Ring
For OD	Dia.	Wd.	ID	Thick.	Min. Hardness	Thrust Load Capacity, lbs.	Magnetic Properties	Specifications Met	Pkg. Qty.		Pkg.
15-7 PH Stainless Steel
1/4"	0.23"	0.03"	0.225"	0.025"	Rockwell C44	590	Magnetic	Fed. Spec. QQ-P-35, MS16624	10	000000000	000000
5/16"	0.29"	0.03"	0.281"	0.025"	Rockwell C44	750	Magnetic	Fed. Spec. QQ-P-35, MS16624	10	000000000	00000
3/8"	0.352"	0.03"	0.338"	0.025"	Rockwell C44	880	Magnetic	Fed. Spec. QQ-P-35, MS16624	10	000000000	00000
7/16"	0.412"	0.03"	0.395"	0.025"	Rockwell C44	1,030	Magnetic	Fed. Spec. QQ-P-35, MS16624	5	000000000	0000
1/2"	0.468"	0.04"	0.461"	0.035"	Rockwell C44	1,670	Magnetic	Fed. Spec. QQ-P-35, MS16624	5	000000000	0000
9/16"	0.53"	0.04"	0.521"	0.035"	Rockwell C44	1,870	Magnetic	Fed. Spec. QQ-P-35, MS16624	5	000000000	0000
5/8"	0.588"	0.04"	0.579"	0.035"	Rockwell C44	2,090	Magnetic	Fed. Spec. QQ-P-35, MS16624	5	000000000	0000
11/16"	0.646"	0.047"	0.635"	0.042"	Rockwell C44	3,450	Magnetic	Fed. Spec. QQ-P-35, MS16624	5	000000000	0000
3/4"	0.704"	0.047"	0.693"	0.042"	Rockwell C44	3,750	Magnetic	Fed. Spec. QQ-P-35, MS16624	5	000000000	00000
13/16"	0.762"	0.047"	0.751"	0.042"	Rockwell C44	4,060	Magnetic	Fed. Spec. QQ-P-35, MS16624	5	000000000	00000
7/8"	0.821"	0.047"	0.81"	0.042"	Rockwell C44	4,360	Magnetic	Fed. Spec. QQ-P-35, MS16624	5	000000000	00000
15/16"	0.882"	0.047"	0.867"	0.042"	Rockwell C44	4,720	Magnetic	Fed. Spec. QQ-P-35, MS16624	5	000000000	00000
1"	0.94"	0.047"	0.925"	0.042"	Rockwell C44	5,020	Magnetic	Fed. Spec. QQ-P-35, MS16624	5	000000000	00000
1 1/8"	1.059"	0.056"	1.041"	0.05"	Rockwell C44	6,690	Magnetic	Fed. Spec. QQ-P-35, MS16624	1	000000000	0000
1 1/4"	1.176"	0.056"	1.156"	0.05"	Rockwell C44	7,460	Magnetic	Fed. Spec. QQ-P-35, MS16624	1	000000000	0000
1 3/8"	1.291"	0.056"	1.272"	0.05"	Rockwell C44	8,220	Magnetic	Fed. Spec. QQ-P-35, MS16624	1	000000000	0000
1 1/2"	1.406"	0.056"	1.387"	0.05"	Rockwell C44	8,930	Magnetic	Fed. Spec. QQ-P-35, MS16624	1	000000000	0000
1 5/8"	1.529"	0.068"	1.503"	0.062"	Rockwell C44	12,000	Magnetic	Fed. Spec. QQ-P-35, MS16624	1	000000000	0000
1 3/4"	1.65"	0.068"	1.618"	0.062"	Rockwell C44	12,900	Magnetic	Fed. Spec. QQ-P-35, MS16624	1	000000000	00000

Lead Discs

This material has a minimum of 98% pure lead content. Use these cast-lead discs as spacers, washers, and counterbalances.

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

Thick.	Thick. Tolerance	OD	OD Tolerance	ID	ID Tolerance	Weight	Specifications Met		Each
1/16"	-0.01" to 0.01"	2 3/4"	-0.015" to 0.015"	13/32"	-0.008" to 0.008"	2.4 oz.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	000000000	000000
1/4"	-0.01" to 0.01"	2 3/4"	-0.015" to 0.015"	13/32"	-0.008" to 0.008"	10 oz.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	000000000	00000
3/8"	-0.01" to 0.01"	2 3/4"	-0.015" to 0.015"	13/32"	-0.008" to 0.008"	15 oz.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	000000000	00000
1/2"	-0.01" to 0.01"	2 3/4"	-0.015" to 0.015"	13/32"	-0.008" to 0.008"	1 1/4 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	00000
1/2"	-0.01" to 0.01"	4 1/2"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	3 1/4 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	00000
1/2"	-0.01" to 0.01"	6"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	5 3/4 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1/2"	-0.01" to 0.01"	8 1/2"	-0.015" to 0.015"	41/64"	-0.008" to 0.008"	11 1/2 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1"	-0.01" to 0.01"	4 1/2"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	6 1/2 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1"	-0.01" to 0.01"	6"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	11 1/2 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1"	-0.01" to 0.01"	8 1/2"	-0.015" to 0.015"	41/64"	-0.008" to 0.008"	23 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1"	-0.01" to 0.01"	10 3/4"	-0.015" to 0.015"	41/64"	-0.008" to 0.008"	37 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
1"	-0.01" to 0.01"	13"	-0.015" to 0.015"	41/64"	-0.008" to 0.008"	54 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
2"	-0.01" to 0.01"	4 1/2"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	13 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
2"	-0.01" to 0.01"	6"	-0.015" to 0.015"	25/64"	-0.008" to 0.008"	23 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000
2"	-0.01" to 0.01"	8 1/2"	-0.015" to 0.015"	41/64"	-0.008" to 0.008"	46 lbs.	ASTM B29, ASTM B749, Fed. Spec. QQL-171e Grade C	00000000	000000