Irwin 12411 Drill Bit, 1/2 in Dia, 1-21/32 in OAL, Countersink, 5-Flute, 1/4 in Dia Shank, Round Shank paint--05-29-26 A large spindle lock button

A large spindle lock button lets you make quick and easy blade changes

Tested to ASTM D-7088 Resistance to hydrostatic pressure at 15 psi and ASTM D6904 resistance to wind driven rain

this kit comes with two M18™REDLITHIUM™ XC 5

beveled claws for precise penetration

quick change with all brands of hole saws

Irwin 12411 Drill Bit, 1/2 in Dia, 1-21/32 in OAL, Countersink, 5-Flute, 1/4 in Dia Shank, Round Shank paint--05-29-26 A large spindle lock buttonHSS 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