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The WILLIAMS COMFORT PRODUCTS 1-143-10-3-0 is a 10-inch smooth-cut mill file rated at 53 teeth per inch (TPI). Mill files in this cut class are used for fine finishing, deburring, and sharpening applications where a clean surface finish is required. At 0.368 pounds, this file is lightweight and easy to handle during extended use. It is a standard single-cut tool appropriate for use on ferrous metals, tool edges, and similar materials requiring precise material removal. Technicians in HVAC, plumbing, and general mechanical trades reach for smooth-cut mill files when fitting pipe ends, cleaning burrs from copper or steel, or touching up blade edges on sheet-metal tools.
This mill file is suited for trade and workshop environments where controlled, fine-cut filing is needed. Typical applications include deburring cut pipe ends before fitting, smoothing weld flash, and sharpening lawn or garden tool blades. The smooth cut at 53 TPI removes material slowly and precisely, making it the correct choice when surface finish matters more than stock removal rate. Sold individually (each), with a minimum order quantity of 10 units, this file is practical for shop restocking or field kit replenishment.
Designed as a general-purpose smooth-cut mill file compatible with standard file handles sized for 10-inch files; suitable for use on steel, iron, and similar ferrous materials common in HVAC, plumbing, and mechanical trade applications.
Always fit the file with an appropriately sized handle before use to prevent injury from the tang. Secure the workpiece in a vise or clamp before filing to maintain control and avoid damaging the file teeth. Apply consistent forward stroke pressure and lift on the return stroke to extend file life. Inspect the file for cracks or broken teeth before each use and replace if damaged.
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