Overview Reviews Product Description Made for all SDS-Plus® and te-c style drills, the speedhammer plus 1/2" x 10" x 12" drill bit is a perfect tool of the trade.The unique flute clears debris quickly, reduces clogging, and increases overall bit speed and life.Its short drilling head is designed to force debris into the flute for fast penetration speed while reducing breakout when drilling through-holes.The carbide tip is self-centering for controlled starts. Irwin Tools Catalog Product Videos Custom Field Manufacturing country CN Product Reviews Write a Review Write a Review × Irwin 1/2 X 10 X 12" SDS-Plus® Hammer Drill Bit 322033 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *