Supertanium® Square Bastard Machinist File 5/16"

• Specially-treated black oxide coating reduces loading of soft materials, prolongs tooth sharpness and tool life, and resists rusting
• Precision cut for uniform tooth height and sharpness
• Scientifically heat-treated for maximum hardness and edge-holding ability
• Unique cleaning process to eliminate grit and grime normally found in the bottom (gullets) of file teeth – eliminates excess clogging for faster filing
• American pattern
• Graduated coarse, fine and extra fine teeth (wavy teeth) are standard on files with a double cut (except round shapes); reduces chattering and lasts longer
• Wavy teeth work equally well on steel, iron, aluminum, brass, bronze, copper, slate and wood
• For slots, keyways, spines and square holes
• Double cut
• Tapers toward the point
For safety reasons and to prevent possible OSHA violations, a tanged file should never be used without a tight-fitting handle. A handle will not only help prevent accidents, it helps make the job easier and more enjoyable.
CAUTION: Protect yourself from product breakage and flying particles. Always wear eye and face protection, and make sure machine guards are in place. Comply with ANSI B7.1.