Drillco 350N Series Nitro 15 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 1/32 increments Bearing Pullers Optimized leverage ratio - 25%

Optimized leverage ratio - 25% less effort

safety glasses and hex bar wrench

Steel with zinc plating for corrosion resistance

It’s ideal for builders

Drillco 350N Series Nitro 15 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 1/32 increments Bearing Pullers Optimized leverage ratio - 25%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 direction (right