Irwin 323008 11/16" x 21" SDS-Max Multi-Cutter Drill Bit Germany Locknut kit J slots control heat and

J slots control heat and help reduce noise

hand polished and mounted to a sturdy seasoned hickory handle

Matrix II cutting edge has shock resistant teeth that resist strippage

Hole Size (In

Includes: Universal Joint

Irwin 323008 11/16" x 21" SDS-Max Multi-Cutter Drill Bit Germany Locknut kit J slots control heat andIrwin 323008 11 16" x 21" SDS Max Multi Cutter Drill Bit Germany 4 cutter head Fits all SDS max rotary hammers and Hilti TE F, G and Y rotary hammers Patented flute geometry removes dust from the hole quicker for fast drilling and long life Shot peened, double tempered finish reduces breakage Copper braze material gives high heat resistance for reduced tip loss All tips made to ANSI specifications Chrome vanadium shaft through hardened to 50 53HrC