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The APEX TOOL GROUP LLC 08243NN is a 4-inch mill bastard file engineered for precision metalworking and saw maintenance tasks. Built to the American pattern, this file features a rectangular cross-section with single-cut teeth on both sides and edges, plus two square edges for controlled material removal. The slight taper in width along the length gives tradespeople consistent bite and smooth draw-filing action. Electricians, machinists, pipefitters, and general tradespeople reach for this style of file when sharpening mill saws, circular saw blades, or finishing metal edges with a clean, flat surface.
This file is well suited for sharpening mill and circular saw teeth, draw-filing flat stock, and finishing metal surfaces in shop and field environments. Its compact 4-inch length makes it manageable for detail work on saw blades and tight workpieces. The single-cut pattern leaves a smoother finish than a double-cut file, making it a practical choice when surface quality matters alongside material removal rate. Sold in a boxed format, it is commonly stocked by contractors, maintenance crews, and tool rooms that keep multiple sizes on hand.
Designed as a standard American-pattern mill bastard file for use with mill saws, circular saw blades, and general metalworking applications requiring a single-cut flat file.
This file is a hand tool requiring no power source. Secure the workpiece in a vise before filing to maintain control and prevent injury. Always file with the teeth direction in mind — single-cut files cut on the forward stroke. Wear appropriate hand protection when working near sharp saw teeth or metal edges.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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