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The WILLIAMS COMFORT PRODUCTS 1-210-10-2-0 is a half round file measuring 10 inches in length, cut to a second-cut tooth pattern at 30 teeth per inch (TPI). Half round files are double-sided hand tools used to shape, deburr, and smooth both flat and curved surfaces. The second-cut designation indicates a medium tooth coarseness, removing material at a moderate rate while leaving a reasonably smooth finish. This file is suited for metal fabrication, pipefitting, and general mechanical work where controlled material removal on concave or flat surfaces is required.
Half round files at this length and cut grade are commonly used in plumbing, HVAC, and general trade work for fitting pipe ends, dressing burrs on cut conduit or copper tubing, and refining mating surfaces on metal components. The 10-inch body length provides enough working leverage for medium to heavy stock removal tasks in both shop and field environments. Tradespeople such as plumbers, pipefitters, HVAC technicians, and electricians routinely keep a file of this type in their service kits.
Designed as a general-purpose hand file suitable for use on mild steel, copper, aluminum, and similar soft to medium-hardness metals common in trade applications.
Hand files should always be fitted with a proper handle before use to prevent injury from the tang. Work the file in smooth, forward strokes with consistent pressure, lifting on the return stroke to preserve tooth sharpness. Keep the file free of metal filings by brushing regularly with a file card. Files are not suitable for use on hardened steel surfaces and should not be used in power tools.
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