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The VALUE COLLECTION 40168 is an oversized key stock used to transmit torque between a shaft and a mating hub or gear. Made from steel with a natural unfinished finish, this key stock is a standard mechanical power transmission component found in industrial machinery, motors, pumps, and drive assemblies. It measures 8.00 millimeters in both height and width, placing it in the oversized category for applications that require a heavier-duty keyed connection. Machinists, millwrights, and maintenance technicians keep this on hand for fabrication, repair, and replacement of keyed shaft assemblies.
Oversized key stock of this profile is commonly used in light-to-medium industrial settings where standard key stock dimensions are insufficient for the torque load or shaft size. It fits applications across conveyor systems, pump drives, gearboxes, and general power transmission equipment. The unfinished steel surface allows for cutting, filing, or grinding to achieve the exact length needed for the specific shaft and keyway configuration on the job.
Designed as an oversized key stock replacement or fabrication blank for industrial shaft and hub assemblies requiring an 8.00 mm by 8.00 mm key profile.
Installation is typically performed by a machinist or millwright. Shut down and lock out all power to the equipment before removing or installing key stock. The key stock should be cut to the required length and deburred before fitting into the keyway. Verify that the keyway dimensions match the key stock profile before final assembly to avoid stress concentrations or shaft damage.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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