Shape Shape | Show |
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![]() | Made to Order |
Shape Shape | Hide |
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Sheet and Bar | Rod and Disc |
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Hex Bar | Round Tube |
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90° Angle | Rectangular Tube |
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Ball | U Channel |
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Wire | Ring |
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Hex Tube | Made to Order |
System of Measurement System of Measurement |
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Thickness Thickness |
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Material Material |
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Temper Rating Temper Rating |
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Specifications Met Specifications Met |
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Minimum Hardness Minimum Hardness |
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Individual/Set Individual/Set |
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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.
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 or aluminum, can be used as wear plates between components that rub together, preventing damage to equipment.
Brass shims are corrosion resistant and nonmagnetic.
Thick. | Thick. Tolerance | Min. Hole Size | Min. Wall Thick. | Cutout Tolerance | No. of Layers | Layer Thick. | Min. Hardness | Pkg. of 16 | |
2" × 2" Max. Shim Size | |||||||||
---|---|---|---|---|---|---|---|---|---|
260 Brass—ASTM B36 | |||||||||
0.008" | -0.0004" to 0.0004" | 1/8" | 1/8" | -0.01" to 0.01" | 4 | 0.002" | Not Rated | 000000000 | 000000 |
0.016" | -0.0008" to 0.0008" | 1/8" | 1/8" | -0.01" to 0.01" | 8 | 0.002" | Not Rated | 000000000 | 00000 |
0.032" | -0.0016" to 0.0016" | 1/8" | 1/8" | -0.01" to 0.01" | 16 | 0.002" | Not Rated | 000000000 | 000000 |
0.048" | -0.0024" to 0.0024" | 1/8" | 1/8" | -0.01" to 0.01" | 24 | 0.002" | Not Rated | 000000000 | 000000 |
0.062" | -0.0031" to 0.0031" | 1/8" | 1/8" | -0.01" to 0.01" | 32 | 0.002" | Not Rated | 000000000 | 000000 |
0.124" | -0.0062" to 0.0062" | 1/8" | 1/8" | -0.01" to 0.01" | 62 | 0.002" | Not Rated | 000000000 | 000000 |
Pkg. of 4 | |||||||||
5" × 5" Max. Shim Size | |||||||||
260 Brass—ASTM B36 | |||||||||
0.008" | -0.0004" to 0.0004" | 1/8" | 1/8" | -0.01" to 0.01" | 4 | 0.002" | Not Rated | 000000000 | 00000 |
0.016" | -0.0008" to 0.0008" | 1/8" | 1/8" | -0.01" to 0.01" | 8 | 0.002" | Not Rated | 000000000 | 00000 |
0.032" | -0.0016" to 0.0016" | 1/8" | 1/8" | -0.01" to 0.01" | 16 | 0.002" | Not Rated | 000000000 | 000000 |
0.048" | -0.0024" to 0.0024" | 1/8" | 1/8" | -0.01" to 0.01" | 24 | 0.002" | Not Rated | 000000000 | 000000 |
0.062" | -0.0031" to 0.0031" | 1/8" | 1/8" | -0.01" to 0.01" | 32 | 0.002" | Not Rated | 000000000 | 000000 |
0.124" | -0.0062" to 0.0062" | 1/8" | 1/8" | -0.01" to 0.01" | 62 | 0.002" | Not Rated | 000000000 | 000000 |
Pkg. of 9 | |||||||||
7" × 7" Max. Shim Size | |||||||||
260 Brass—ASTM B36 | |||||||||
0.008" | -0.0004" to 0.0004" | 1/8" | 1/8" | -0.01" to 0.01" | 4 | 0.002" | Not Rated | 000000000 | 000000 |
0.016" | -0.0008" to 0.0008" | 1/8" | 1/8" | -0.01" to 0.01" | 8 | 0.002" | Not Rated | 000000000 | 000000 |
0.032" | -0.0016" to 0.0016" | 1/8" | 1/8" | -0.01" to 0.01" | 16 | 0.002" | Not Rated | 000000000 | 000000 |
0.048" | -0.0024" to 0.0024" | 1/8" | 1/8" | -0.01" to 0.01" | 24 | 0.002" | Not Rated | 000000000 | 000000 |
0.062" | -0.0031" to 0.0031" | 1/8" | 1/8" | -0.01" to 0.01" | 32 | 0.002" | Not Rated | 000000000 | 000000 |
0.124" | -0.0062" to 0.0062" | 1/8" | 1/8" | -0.01" to 0.01" | 62 | 0.002" | Not Rated | 000000000 | 000000 |
Pkg. of 4 | |||||||||
11" x 11" Max. Shim Size | |||||||||
260 Brass—ASTM B36 | |||||||||
0.008" | -0.0004" to 0.0004" | 1/8" | 1/8" | -0.01" to 0.01" | 4 | 0.002" | Not Rated | 000000000 | 000000 |
0.016" | -0.0008" to 0.0008" | 1/8" | 1/8" | -0.01" to 0.01" | 8 | 0.002" | Not Rated | 000000000 | 000000 |
0.032" | -0.0016" to 0.0016" | 1/8" | 1/8" | -0.01" to 0.01" | 16 | 0.002" | Not Rated | 000000000 | 000000 |
0.048" | -0.0024" to 0.0024" | 1/8" | 1/8" | -0.01" to 0.01" | 24 | 0.002" | Not Rated | 000000000 | 000000 |
0.062" | -0.0031" to 0.0031" | 1/8" | 1/8" | -0.01" to 0.01" | 32 | 0.002" | Not Rated | 000000000 | 000000 |
0.124" | -0.0062" to 0.0062" | 1/8" | 1/8" | -0.01" to 0.01" | 62 | 0.002" | Not Rated | 000000000 | 000000 |
Pkg. of 1 | |||||||||
23" x 23" Max. Shim Size | |||||||||
260 Brass—ASTM B36 | |||||||||
0.008" | -0.0004" to 0.0004" | 1/8" | 1/8" | -0.01" to 0.01" | 4 | 0.002" | Not Rated | 000000000 | 000000 |
0.016" | -0.0008" to 0.0008" | 1/8" | 1/8" | -0.01" to 0.01" | 8 | 0.002" | Not Rated | 000000000 | 000000 |
0.032" | -0.0016" to 0.0016" | 1/8" | 1/8" | -0.01" to 0.01" | 16 | 0.002" | Not Rated | 000000000 | 000000 |
0.048" | -0.0024" to 0.0024" | 1/8" | 1/8" | -0.01" to 0.01" | 24 | 0.002" | Not Rated | 000000000 | 000000 |
0.062" | -0.0031" to 0.0031" | 1/8" | 1/8" | -0.01" to 0.01" | 32 | 0.002" | Not Rated | 000000000 | 000000 |
0.124" | -0.0062" to 0.0062" | 1/8" | 1/8" | -0.01" to 0.01" | 62 | 0.002" | Not Rated | 000000000 | 000000 |
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.
Brass shims are corrosion resistant and nonmagnetic.
Thick. | Thick. Tolerance | Min. Hole Size | Min. Wall Thick. | Cutout Tolerance | Min. Hardness | Pkg. of 16 | |
2" × 2" Max. Shim Size | |||||||
---|---|---|---|---|---|---|---|
260 Brass—ASTM B36, Fed. Spec. QQ-B-613 | |||||||
0.001" | -0.00005" to 0.00005" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
0.002" | -0.0001" to 0.0001" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.003" | -0.00015" to 0.00015" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.004" | -0.0002" to 0.0002" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.005" | -0.00025" to 0.00025" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.01" | -0.0005" to 0.0005" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.02" | -0.001" to 0.001" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.025" | -0.00125" to 0.00125" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.031" | -0.00155" to 0.00155" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
Pkg. of 4 | |||||||
5" × 5" Max. Shim Size | |||||||
260 Brass—ASTM B36, Fed. Spec. QQ-B-613 | |||||||
0.001" | -0.00005" to 0.00005" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.002" | -0.0001" to 0.0001" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.003" | -0.00015" to 0.00015" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.004" | -0.0002" to 0.0002" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.005" | -0.00025" to 0.00025" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.01" | -0.0005" to 0.0005" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.02" | -0.001" to 0.001" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.025" | -0.00125" to 0.00125" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.031" | -0.00155" to 0.00155" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
Pkg. of 9 | |||||||
7" × 7" Max. Shim Size | |||||||
260 Brass—ASTM B36, Fed. Spec. QQ-B-613 | |||||||
0.002" | -0.0001" to 0.0001" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.003" | -0.00015" to 0.00015" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.005" | -0.0002" to 0.0002" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.01" | -0.0005" to 0.0005" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
0.02" | -0.001" to 0.001" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
0.025" | -0.00125" to 0.00125" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
0.031" | -0.00155" to 0.00155" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
Pkg. of 4 | |||||||
11" x 11" Max. Shim Size | |||||||
260 Brass—ASTM B36, Fed. Spec. QQ-B-613 | |||||||
0.002" | -0.0001" to 0.0001" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.003" | -0.00015" to 0.00015" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.005" | -0.00025" to 0.00025" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.01" | -0.0005" to 0.0005" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
0.02" | -0.001" to 0.001" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
0.025" | -0.00125" to 0.00125" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
0.031" | -0.00155" to 0.00155" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
Pkg. of 1 | |||||||
23" x 23" Max. Shim Size | |||||||
260 Brass—ASTM B36, Fed. Spec. QQ-B-613 | |||||||
0.002" | -0.0001" to 0.0001" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.003" | -0.00015" to 0.00015" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.005" | -0.00025" to 0.00025" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 00000 |
0.01" | -0.0005" to 0.0005" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
0.02" | -0.001" to 0.001" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
0.025" | -0.00125" to 0.00125" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |
0.031" | -0.00155" to 0.00155" | 1/8" | 1/8" | -0.01" to 0.01" | Rockwell B60 | 000000000 | 000000 |