Irwin 322017 Hammer Drill Bit 1/4 in Dia 6 in OAL Twist Flute 1-Flute 2 in Dia Shank SDS Plus Shank

Bit tip and flutes remove dust more efficiently while the reduced area above the flute prevents binding while drilling. Chrome vanadium shaft and high heat resistance for reduced tip loss, fits all SDS-plus and Hilti TE-C rotary hammers.