4mm Extra Long Drill Bit 200mm HSS Twist Drill Straight Shank Auger Bit Twist Straight Shank Auger for Wood, Aluminum, Plastic

[HIGH EFFICIENCY AND FAST CUTTING] Sharp twisted drill bits flute will make the drilling easier and more effortless [STRAIGHT SHANK DESIGN MAKES IT EASIER FOR ELECTRIC DRILLS] Straight shank design is more suitable for many electric drills and drilling machines (here is not included) [HIGH STANDARD MATERIAL ENSURES LONG LASTING PERFORMANCE] This Extra Long Drill Bit is made of high quality material, and it is finished with fine polish to offer a good durability [WIDELY APPLICATIONS] The bit is widely used in the drilling of wood, aluminum, plastic, etc [LONG LENGTH FOR CONVENIENT USE] The length of the bit is 4mm, and the whole length is 200mm