Overview Reviews Product Description Designed for today's tradesman, the speedhammer plus 1/4" x 4" x 6" drill bit delivers a high-powered performance with its unique flute design.The flute clears debris quickly, which reduces clogging and minimizes vibration.Its short drilling head reduces breakout when drilling through-holes, and the carbide tip is self-centering for controlled starts.Built for all SDS-Plus® and te-c style drills. Irwin Tools Catalog Product Videos Custom Field Manufacturing country CN Product Reviews Write a Review Write a Review × Irwin 1/4 x 4 x 6" SDS-Plus® Hammer Drill Bit 322017 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *