Armstrong 86-561 Ground-to-form Tool Bit USA 1" Arbor Patented flute geometry removes dust

Patented flute geometry removes dust from the hole quicker for fast drilling and long life

Single spur design scores the hole for a cleaner finish Reinforced Anti-Friction PTFE Coating for overall smoother drilling Optimized Wide Flute Geometry for faster chip ejection Aggressive Feed Screw and Cutting Edge for faster drilling speeds

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a simple rotation of the sculpted arm allows you to transition effortlessly through intense

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Armstrong 86-561 Ground-to-form Tool Bit USA 1" Arbor Patented flute geometry removes dustArmstrong 86 561 Ground to form Tool Bit USA