FOCMKEAS 12mm Reduced Shank Twist Drill Bit, HSS, 10mm Shank, 3-Flats

Size Cutting Edge Diameter: 12mm; Shank Diameter: 10mm; Cutting Edge Length: 75mm/2. 95"; Total Length: 150mm/5. 9". Package1 piece. , HSS MaterialMade of high speed steel 4341 offer the reduced shank tool hard and tough, cutting effectively with impressive cutting performance. , Gold and Black Oxide FinishGold titanium and black nitride dual coatings can apply lubricant better for smoother drilling and is more durable and corrosion resistant than the regular surface. , Reduced Shank Reduced shank drill expands the size range capacity of a portable drill chuck. Design of triangular shank to increase cutting force and prevent slippage of shank during working. , Widely ApplicationThe reduced shank bits can be used in general applications including drilling in hard metals such as stainless steel, copper, iron,brass, aluminum alloy, and can be used for softer materials like wood, and plastic as well.