2X HSS Straight 4mm Twist Head 300mm Long Drill Bit Silver Tone

HSS twist drill bit with straight sharp spiral groove. Used widely to drill the metal and is easy to install. The twist drill bit is used with electrical drilling machine.(here is not included). Package Content : 2 x Twist Drill Bits Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.