An economic HSS drill used for drilling all non-alloy materials. The 135 split point prevents the bit from drifting and enables faster penetration. Drill Dia. mm: 1.0: 10.0 Total Length mm: N/A Working Length mm: N/A Shank Dia. mm: N/A Shank Type: Straight Material: HSS Steel Timco Roll Forged Jobber Drills Set - HSS (Size 170pcs - 170 Pieces) in Black