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The WILLIAMS 166-6-16-2.5-12 is a flat chain saw file designed for dressing and sharpening chainsaw chain teeth in the field or shop. The flat profile allows the technician to work the top plate and depth gauge of each cutter link with precision. At 6 inches in length and weighing 0.101 pounds, it is a compact, lightweight hand tool suited for regular maintenance work on gas-powered and electric chainsaws. Arborists, tree service professionals, and equipment maintenance techs keep this file on hand for quick touch-ups between cuts or full sharpening sessions.
This file is intended for chainsaw chain maintenance in a wide range of professional and trade applications. It fits standard file-guide setups and is sold individually, making it easy to stock multiples for crew use. The 6-inch length provides adequate working surface for most residential and light commercial chainsaw chain pitches. It is a hand tool category item requiring no power source or specialty equipment beyond a file guide for best results.
Designed as a general-purpose flat chain saw file suitable for use on standard chainsaw chain requiring flat-file maintenance of depth gauges and cutters.
Chain saw filing is performed by qualified arborists, tree service technicians, or equipment mechanics. Always shut down and de-energize the chainsaw completely before filing chain teeth. Use a proper file guide to maintain the manufacturer-recommended filing angle and depth-gauge clearance. Wear cut-resistant gloves when handling exposed chain during sharpening.
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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