5Pcs 6/6/8/810mm Triangular-overlord Handle Multifunctional Drill Bits Twist Drill Set

Description: 5Pcs 6/6/8/810mm Triangular-overlord Handle Multifunctional Drill Bits Specification: Material: alloy Color: red+silver Total length: 6mm cutting diameter: 100mm / 3.9in 8mm cutting diameter: 110mm / 4.3in 10mm cutting diameter: 120mm / 4.7in Working length: 6mm cutting diameter: 55mm / 2.2in 8mm cutting diameter: 66mm / 2.6in 10mm cutting diameter: 70mm / 2.8in Shank diameter: 6mm cutting diameter: 4.5mm / 0.2in 8mm cutting diameter: 6mm / 0.2in 10mm cutting diameter: 7mm / 0.3in Features: Made of fine quality material, low resistance, high hardness, improving work efficiency. The design of triangle shank makes the clamping more tight and does not slip. U-shaped spiral groove is smooth and flat, and the drilling is smoother. Strong toughness and wear resistance, can be installed in electric drills. Provides smooth and accurate drilling in tile, glass, brick wall, wood and so on. Package Included: 5Pcs x Drill Bits More Details: