|[Home Products] - [Hardware]|
Stainless steel cobalt drill bit twist drill straight 1/2/3/4 / 4.2 / 5 / 5.2 / 6/7/8/9/10/12
Authentic high cobalt straight shank twist drill
Since the sale of manufacturers, common specifications promotional price.
HSS-CO high-speed steel containing cobalt
We solemnly promise: (Solid blade special ) Brand Co-containing cobalt cobalt cobalt content is 5% -8% of the cobalt material,
High hardness, good toughness. Specializes in stainless steel, high manganese steel, abrasive steel, high-strength materials such as quenched material, can not move do not money.
Note: There are many ordinary high-speed steel market to do with the drill bit, roasted yellow treatment, the name of the name of cobalt-containing drill, low-cost sales, please buy carefully
Need other 0.1 of the specifications, such as 5.1 5.2 5.3 5.4 5.5 5.6 and other specifications into the classification column
Click (high cobalt drill) twist drill
Also enjoy the activities of price concessions
The whole system with cobalt drill Links:
Lengthened cobalt-containing drill link: