Drillco Series 100SE 1/16" - 1/2" X 32nds Black Oxide Finish 15 Piece Jobber Length Drill Bit Set with straight shank is made of high-speed steel that provides long durability when drilling hard materials. Drill bit with spiral flute has a 118 deg conventional point that helps to penetrate hard materials without a pilot hole and produces small chips to reduce clogging. It is suitable for most general-purpose applications, offering a combination of hardness and toughness for wear resistance. Spiral fluted tool eliminates chips and reduces clogging.
Features
Jobber length drill bit has a midrange drilling depth
High-speed steel provides hardness for wear resistance
High-speed steel tools are good for most general purpose applications
Offering a combination of hardness and toughness for wear resistance
Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
Round shanks allow use with a wide variety of tool holding systems
When run in a counterclockwise direction spiral fluted tools evacuate chips up and out of the cut to reduce clogging