Item Type: Reduced Shank Drill Bit Material: High Speed Steel Blade Diameter: Approx. 45mm / 1.77in Shank Diameter: Approx. 19mm / 3/4in Drill Bit Length: Approx. 150mm / 5.91in Uses: Suitable for iron, aluminum, copper, stainless steel, high speed steel, manganese steel, various quenched steel parts Package List 1 x Drill Bit 1Unhindered Chip Removal: Spiral chip removal design, unhindered chip removal, pointed grooves position, fast cutting, high drilling efficiency 2High Speed Steel: Drill bit is made of high speed steel material, high hardness, stable performance, pointed and durable 3118 Incisive Angle Design: 118 incisive angle design, which can quickly and accurately drill holes, saving time and effort 4Application: Used for iron, aluminum, copper, stainless steel, high speed steel, manganese steel, various hardened steel parts 5Pointed Blade Cutting Edge: This is drill with pointed blade cutting edge, which can meet different cutting accuracy