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 If the grinding wheel catches

If the grinding wheel catches or binds

the metal chips are conveniently disposed below the cutting material

900 RPM) delivers up to 480 in

tool only) combines power

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 If the grinding wheel catchesFeatures: 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