Value Collection A996837 Undersized Key Stock 12 in

Product Description

The VALUE COLLECTION A996837 is an undersized key stock bar used to create or replace drive keys in shafts, pulleys, gears, and sprockets. Machined from cold drawn steel with a plain finish, it measures 1-1/8 inches high by 1-1/8 inches wide by 12 inches long. The undersized profile allows for a controlled slip fit into standard keyways, making it easier to cut to length and finish to final dimensions on-site. Machinists, millwrights, and maintenance technicians use this stock when a standard full-size key is too tight or when a custom-length key is needed for a specific shaft assembly.

This key stock is suited for light industrial and mechanical maintenance applications where a shaft-to-hub connection must transmit torque. Typical installations include electric motor shafts, conveyor drive systems, pump couplings, and fan wheel assemblies. The 12-inch length provides enough material to cut multiple keys from a single piece, reducing waste on jobs that require several keys of the same cross section.

Key Features

• Undersized profile for controlled slip fit into standard keyways
• Cold drawn steel construction for consistent dimensional tolerance and surface finish
• Plain finish — ready to cut, file, or machine to final length on-site
• 1-1/8 inches by 1-1/8 inches square cross section suits heavy-duty shaft sizes
• 12-inch bar length allows multiple keys to be cut from one piece

Compatibility

Designed as a standard undersized key stock replacement for industrial shaft-and-hub assemblies that use a square keyway matching a 1-1/8 inch cross section.

Installation Notes

Installation is typically performed by a machinist or millwright. De-energize and lock out the driven equipment before removing or installing any drive key. Key stock should be cut to length with a metal-cutting saw or angle grinder and deburred before fitting. Follow applicable ANSI and ASME standards for key and keyway tolerances when fitting the key to the shaft and hub.