HSS Cobalt 5% Twist Drill Set 25 Pcs From China Manufacturer

HSS Cobalt 5% Twist Drill Set 25 Pcs From China Manufacturer 

The cobalt drill bits can be made on DIN standard or ANSI standard.

It is specializing in drilling stainless steel as the drill bits are made from M35 cobalt 5% material.

The Cobalt 5% fully ground drill bits is amber finished surface, have a very nice looking.

25pcs set contains follow sizes drill bits:

1, 1.5，2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8，8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13mm