Drillco 350N Series Nitro 29 Piece High-Speed Steel Mechanics Length Drill Bit Set, Black and Gold Oxide Finish, Round with Flats Shank, Spiral Flute, 135 Degrees Split Point, 1/16" - 1/2" in 1/64" increments Job Site & Security Lighting tool only) combines power

tool only) combines power

Cleans approximately 5

the metal chips are conveniently disposed below the cutting material

900 RPM) delivers up to 480 in

Drillco 350N Series Nitro 29 Piece High-Speed Steel Mechanics Length Drill Bit Set, Black and Gold Oxide Finish, Round with Flats Shank, Spiral Flute, 135 Degrees Split Point, 1/16" - 1/2" in 1/64" increments Job Site & Security Lighting tool only) combines powerFeatures: High speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools These round shank tools have flats ground onto three sides to reduce slippage of the bit when used in drill chucks When run in a counterclockwise