Specification:
Item Type: Step Drill Bit
Material: 4241 High Speed Steel
Drill Bit Specification:
15 Step: 4-20mm
9 Step: 4-12mm
5 Step: 3-12mm
Features:
1Not require center punch, Compared with ordinary twist drill bits, these step drill bits are not easy to break, which can be used for deburring, chamfering, hole opening. 24241 high speed steel construction for wear resistance, high toughness and high strength. 31/4 inch hex shank allows these drill bits to work with electric drill. 4Low friction and running temperature, extending service life of drill bits. 5Widely used in drilling on all kinds of materials such as stainless steel, wood, thin iron, aluminum alloy, moisture-proof plate, PVC plate, etc.
Package List:
3 x Step Drill Bit
1 x Storage Bag