Overview Reviews Product Description Designed with unique bit features, the speedhammer plus 1" x 8" x 10" drill bit can help you power through your drilling jobs.Thanks to its unique flute design, you'll clear debris quickly and have reduced breakout when drilling through-holes.And the carbide tip cuts fast and self-centers for controlled starts.Engineered 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 X 8 X 10" SDS-Plus® Hammer Drill Bit 322054 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *