Overview Reviews Product Description Irwin 322025 drill bit 3/8" x 8" x 10" speedhammer. Irwin Tools Catalog Product Videos Custom Field Manufacturing country CN Product Reviews Write a Review Write a Review × Irwin 3/8 X 8 X 10" SDS-Plus® Hammer Drill Bit 322025 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *