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The WILLIAMS COMFORT PRODUCTS 2-302-16-4-0 is a three square file measuring 6.25 inches in length with a dead smooth cut grade. Three square files feature a triangular cross-section that makes them well suited for filing internal angles, notches, and tight corners where flat or round files cannot reach. The dead smooth cut grade produces a fine, refined surface finish, making this file appropriate for finishing work and light deburring on metal components. At 0.018 pounds, it is a lightweight hand tool designed for precision hand filing tasks performed by tradespeople and skilled technicians.
This three square file is used across a range of trade and workshop applications including electrical, HVAC, plumbing, and general mechanical work. It is particularly useful for cleaning up burrs on conduit ends, filing keyways, dressing threaded fittings, and refining notched metal stock. The dead smooth cut grade suits final finishing passes rather than aggressive material removal, making it a secondary or finishing file in a typical trade toolkit.
Designed as a general-purpose hand file suitable for use on metal workpieces in trade and workshop environments where a three square profile and dead smooth cut grade are required.
Hand files are used by tradespeople including electricians, plumbers, HVAC technicians, and pipefitters for material finishing and deburring tasks. Always secure the workpiece firmly before filing to maintain control and prevent injury. Wear appropriate eye protection when filing metal to guard against loose particles. Do not apply files to rotating workpieces or use them as pry tools.
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