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Shaft Mount Collars with machined flats can be mounted to each other or attached precisely to flat surfaces in a repeatable manner. Two-piece collars are easily installed where major disassembly would otherwise be required.
 Shaft Mount Collars 2SMC-Series
Unit of Measure
1 2 

Item #

Bore

OD

Width

Across Flats

Screw Size

Material

Weight

2SMC-025 N/A 1/4 in N/A 0.6875 in N/A 0.3125 in N/A 9/16 in N/A 4-40 x 3/8 N/A Steel, ASTM A108 N/A 0.352 oz
2SMC-037 N/A 3/8 in N/A 0.8750 in N/A 0.3750 in N/A 3/4 in N/A 6-32 x 3/8 N/A Steel, ASTM A108 N/A 0.672 oz
2SMC-050 N/A 1/2 in N/A 1.1250 in N/A 13/32 in N/A 1 in N/A 8-32 x 1/2 N/A Steel, ASTM A108 N/A 1.280 oz
2SMC-062 N/A 5/8 in N/A 1.3125 in N/A 0.4375 in N/A 1 3/16 in N/A 10-32 x 1/2 N/A Steel, ASTM A108 N/A 1.856 oz
2SMC-075 N/A 3/4 in N/A 1.5000 in N/A 0.5000 in N/A 1 5/16 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 2.720 oz
2SMC-087 N/A 7/8 in N/A 1.6250 in N/A 0.5000 in N/A 1 7/16 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 2.944 oz
2SMC-100 N/A 1 in N/A 1.7500 in N/A 0.5000 in N/A 1 9/16 in N/A 1/4-28 x 5/8 N/A Steel, ASTM A108 N/A 3.264 oz
2SMC-112 N/A 1 1/8 in N/A 1.875 in N/A 0.5000 in N/A 1 11/16 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 3.616 oz
2SMC-125 N/A 1 1/4 in N/A 2.0625 in N/A 0.5000 in N/A 1 7/8 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 4.416 oz
2SMC-137 N/A 1 3/8 in N/A 2.2500 in N/A 0.5625 in N/A 2 1/16 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 5.696 oz
2SMC-150 N/A 1 1/2 in N/A 2.3750 in N/A 0.5625 in N/A 2 3/16 in N/A 1/4-28 x 3/4 N/A Steel, ASTM A108 N/A 6.208 oz
2SMC-162 N/A 1 5/8 in N/A 2.6250 in N/A 0.6875 in N/A 2 7/16 in N/A 5/16-24 x 1 N/A Steel, ASTM A108 N/A 9.632 oz
2SMC-175 N/A 1 3/4 in N/A 2.7500 in N/A 0.6875 in N/A 2 9/16 in N/A 5/16-24 x 1 N/A Steel, ASTM A108 N/A 10.112 oz
2SMC-200 N/A 2 in N/A 3.0000 in N/A 0.6875 in N/A 2 13/16 in N/A 5/16-24 x 1 N/A Steel, ASTM A108 N/A 11.232 oz
2SMC-025-A N/A 1/4 in N/A 0.6875 in N/A 0.3125 in N/A 9/16 in N/A 4-40 x 3/8 N/A Aluminum, ASTM B211 N/A 0.160 oz
2SMC-037-A N/A 3/8 in N/A 0.8750 in N/A 0.3750 in N/A 3/4 in N/A 6-32 x 3/8 N/A Aluminum, ASTM B211 N/A 0.320 oz
2SMC-050-A N/A 1/2 in N/A 1.1250 in N/A 13/32 in N/A 1 in N/A 8-32 x 1/2 N/A Aluminum, ASTM B211 N/A 0.608 oz
2SMC-062-A N/A 5/8 in N/A 1.3125 in N/A 0.4375 in N/A 1 3/16 in N/A 10-32 x 1/2 N/A Aluminum, ASTM B211 N/A 0.896 oz
2SMC-075-A N/A 3/4 in N/A 1.5000 in N/A 0.5000 in N/A 1 5/16 in N/A 1/4-28 x 5/8 N/A Aluminum, ASTM B211 N/A 1.472 oz
2SMC-087-A N/A 7/8 in N/A 1.6250 in N/A 0.5000 in N/A 1 7/16 in N/A 1/4-28 x 5/8 N/A Aluminum, ASTM B211 N/A 1.568 oz
2SMC-100-A N/A 1 in N/A 1.7500 in N/A 0.5000 in N/A 1 9/16 in N/A 1/4-28 x 5/8 N/A Aluminum, ASTM B211 N/A 1.664 oz
2SMC-112-A N/A 1 1/8 in N/A 1.875 in N/A 0.5000 in N/A 1 11/16 in N/A 1/4-28 x 3/4 N/A Aluminum, ASTM B211 N/A 1.856 oz
2SMC-125-A N/A 1 1/4 in N/A 2.0625 in N/A 0.5000 in N/A 1 7/8 in N/A 1/4-28 x 3/4 N/A Aluminum, ASTM B211 N/A 2.112 oz
2SMC-137-A N/A 1 3/8 in N/A 2.2500 in N/A 0.5625 in N/A 2 1/16 in N/A 1/4-28 x 3/4 N/A Aluminum, ASTM B211 N/A 2.592 oz
2SMC-150-A N/A 1 1/2 in N/A 2.3750 in N/A 0.5625 in N/A 2 3/16 in N/A 1/4-28 x 3/4 N/A Aluminum, ASTM B211 N/A 2.720 oz
Unit of Measure
1 2