Package Content]- 2 Pcs 3mm drill dia. 160mm total length hss straight shank twist drills. [Strength and Hardness]- Made of high-speed steel Bit has a straight shank, which is more convenient to operate. Milled flutes with deep cut spiral that delivers fast material removal. Twist drill bits are the most common type of drill bit used. Concrete Drill Bit Kendo DIN 338 High Speed Steel Straight Shank Metal Twist HSS Drill Bit For Steel Metal Straight Shank Drill Bits Suitable for many electric drills and drilling machines(here is not included) Pointed and twisted flute will make the drilling be more easy and effortless... The flutes of the drill bit act a passageway for chip extraction from the hole and for coolant to enter the hole. Drilling, or hole making, is the most common metalworking operation in the world. High Speed Steel Twist Drill Bits with Serrated Side Cutting for Woodworking - Brad Point Drill Bit, Wood Drill Bit This product is designed for impact applications, for fast drilling in block, masonry and concrete, ect.
