Uxcell 4mm Cutting Dia Round Straight Shank Cemented Carbide Twist Drill Bit 120mm Length 4 Pack

Uxcell 4mm Cutting Dia Round Straight Shank Cemented Carbide Twist Drill Bit 120mm Length 4 Pack Twist drill bits are made of cemented carbide tip for easier drilling into any hard objects long service life it is more sharp and durable than others. Milled U-flutes with deep-cut spiral deliver fast material removal. Suitable for drilling in tough metal including abrasive alloy and hardened steel. Suitable for drilling of stainless steel die steel titanium alloy cast steel iron aluminum alloy and copper. Round straight shank twist drill bit can work with an electric drill (electric drill not included). Please use low speed when drilling and note the temperature of carbide tip is not too high for extending drill bit life.