Irwin 12412 Drill Bit, 5/8 in Dia, 1-23/32 in OAL, Countersink, 5-Flute, 1/4 in Dia Shank, Round Shank

Description:

HSS milled and precision ground to 82 deg for countersinking into most machinable materials such as iron, steel, soft metals, plastic or wood.

• Precision grind process removes the burr from cutting edge for cleaner cuts
• Made of high-grade heat-treated forged steel, plated and black oxide finished to prevent rust
• Black oxide finish resists corrosion
• Five flute design reduces vibration for smoother drilling and extended life
• 1/4 in round shank fits all handheld and stationary drills