Whole ground technology, high hardness, faster drilling rate.
M35 high-speed steel material, the overall Hardening and longer life.
Whole by grinding forming, accurate size, high life, the efficacy of long.
Can be used radial drill, bench drill or hand drill chuck for drilling operations.
[Product Name]: 60pcs / Set 1-3.5MM stainless steel containing cobalt twist drill
[Material]: HSS M35 cobalt
[Specification]:
1MM 1.5MM 2MM 2.5MM 3MM 3.5MM Each size has 10 roots.
[Usage]: Stainless steel, steel, iron, aluminum and other metal pipes job openings.
[Packing Included]: 60 x M35 twist drill