The straight shank twist drill is mainly composed of a handle and a working part.
The guide part of the work department is guided and grinding,and the chip groove is spiral to guide the chip.
HSS material is suitable for drilling holes on angle iron,wood,plastic,aluminum alloy and other materials.
Color:gold + silver
Material:high speed steel
Package Contents:
50* silver diamonds (1.0mmx10,1.5mmx10,2.0mmx10,2.5mmx10,3.0mmx10)
50* gold diamonds (1.0mmx10,1.5mmx10,2.0mmx10,2.5mmx10,3.0mmx10)