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The WILLIAMS COMFORT PRODUCTS 1-143-10-1-0 is a 10-inch mill file with a bastard cut profile and 40 teeth per inch (TPI). Mill files at this cut grade are standard tools for deburring, sharpening, and smoothing metal components across HVAC, plumbing, and general mechanical service work. At 0.362 pounds, this file is lightweight enough for single-hand use in tight equipment spaces. The bastard cut rating places it in the middle of the coarseness range, making it effective for rapid material removal while still leaving a workable surface finish on ferrous metals.
This mill file is suited for trade professionals who need a reliable hand file for field and shop use. Common applications include dressing burrs from cut pipe, sharpening tool edges, cleaning corrosion from metal mating surfaces, and fitting metal components during installation or service calls. It is sold individually but must be purchased in a minimum quantity of 10 units per order.
Designed as a general-purpose mill file suitable for use on ferrous metals in HVAC, plumbing, and mechanical trade applications.
Mill files are hand tools requiring no power source or special certifications to use. Always file with the work piece secured in a vise or clamp to prevent movement. Use appropriate personal protective equipment including gloves and eye protection when filing metal. Inspect the file for cracks or a loose handle before each use and replace if damaged.
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