Specifications

170 pcs hss cobalt drill bit set
1.)TWIST DRILL SET
2.)HSS Co5% drills
3.) Drilling for Stainless steel
4.) Plastic box

170 PCS HSS Cobalt Drill Set
1.Material: M35,Co5%
2.Fully ground from solid material

3.High heat resistance for particularly tough metal drilling.

4.For particularly tough or hard metal drilling applications,such as stainless,Cr-Ni and special acid resistance steel.

5. PACK: METAL BOX

 

Specification

10 PCS EACH OF 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8MM

5 PCS OF 8, 5, 9.0, 9.5.10.0MM