Irwin Power 20 mm Wood Drill Bit

Super tough bimetal bit that doesn't flinch at nails. Perfect for drilling into wood with nails and it's 50 times tougher than regular bits for nailed wood. BITS FOR WOOD AND NAILED WOOD - Cleaner hole with less tear-out SPIRAL TIP - Faster drilling with less effort CONICAL THREAD - Cuts down on friction. Tri-Flute design clears chips super effectively FULLY HARDENED - Boosts durability 1/4" QUICK CHANGE HEX SHANK - Quick and secure hold