Irwin 585-324020 Irwin 585-324020 3-4X18X23 Spline 2 Cutter Drill Bit. Fits all spline rotary hammers. Patented flute geometry removes dust from the hole quicker for fast drilling and long life. Shot-peened double-tempered finish reduces breakage.
Irwin 585-322033B25 Irwin 585-322033B25 Drill Bit 1-2 X 10 X 12Sds-Plus Bulk. Fits all SDS-plus and Hilti TE-C rotary hammers. Reduced area above the flute prevents the drill bit from binding while drilling-the full usable length can be utilized.