Set of Combination Centre Drills

Set of Combination Centre Drills

Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.
Drill accurate center holes in material prior to turning, or use as a starter bit for accurate holes
Used them to creating starting holes for drill bits in soft metal, mild steel, aluminum, acrylic plastic, and wood.
Durable and Resistance: Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.
HSS, No. 1, 2, 3, 4, 5, 6, and 7. 60° angle (Slocomb).