Irwin 1877793 Countersink Drill Bit, Specifications: 1/4 in Shank, Black Oxide, Includes: 1/4 in, 3/8 in Countersink

About This Product

Precision ground 82 deg tip for countersinking most machinable metals, wood or plastic. HSS with black oxide coating for corrosion-resistance. 5-flute design reduces chatter for smoother drilling and extended life. Set includes one 1/4 in, one 3/8 in, one 1/2 in, one 5/8 in and one 3/4 in countersink.

Highlights

• 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
• Precision grind process removes the burr from cutting edge for cleaner cuts

(BIT DRILL CSINK BLK OX 5P - 8787061 - 1877793)