System of Measurement System of Measurement |
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Shape Shape |
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![]() | Keyed |
Material Material |
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Individual/Set Individual/Set |
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Number of Pieces Number of Pieces |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Magnetic Properties Magnetic Properties |
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Shim Sets for Keyed Shafts

Be prepared with shims in a variety of thicknesses. Also known as arbor spacers, these shims are notched to fit over keyed shafts. Use them to precisely align, level, and adjust spacing. Shims are made of carbon steel for strength and weldability.
For technical drawings and 3-D models, click on a part number.
Notch | |||||||||||
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For Shaft Dia. | ID | OD | No. of Pieces | Includes | Wd. | Dp. | Material | Min. Hardness | Magnetic Properties | Each | |
3/8" | 3/8" | 5/8" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 1/8" | 3/64" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 000000 |
1/2" | 1/2" | 3/4" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 1/8" | 3/64" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 00000 |
5/8" | 5/8" | 1" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 3/16" | 1/16" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 00000 |
3/4" | 3/4" | 1 1/8" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 3/16" | 5/64" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 00000 |
7/8" | 7/8" | 1 3/8" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 3/16" | 5/64" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 00000 |
1" | 1" | 1 1/2" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 1/4" | 3/32" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 00000 |
1 1/8" | 1 1/8" | 1 5/8" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 1/4" | 1/8" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 00000 |
1 1/4" | 1 1/4" | 1 3/4" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 5/16" | 1/8" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 00000 |
1 3/8" | 1 3/8" | 1 7/8" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 5/16" | 1/8" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 00000 |
1 1/2" | 1 1/2" | 2 1/8" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 3/8" | 5/32" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 00000 |
1 3/4" | 1 3/4" | 2 3/4" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 7/16" | 3/16" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 00000 |
2" | 2" | 2 3/4" | 19 | One shim each in the following thicknesses: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.010", 0.012", 0.015", 0.020", 0.025",0.031", 0.047", 0.062", 0.093", 0.125" | 1/2" | 3/16" | 1008-1010 Carbon Steel | Rockwell B84 | Magnetic | 00000000 | 00000 |