"IRWIN INDUSTRIAL" HAMMER DRILL BIT 3/8" x 12" Standard tip. Sds-plus. 3/8" x 12". Fits all SDS-plus and Hilti TE-C rotary hammers. Bit tip and flute design removes dust more efficiently. Reduced area above the flute prevents binding while drilling. Chrome vanadium shaft and high heat resistance for reduced tip loss WA