Manufacturer: amoolo. M35 Cobalt High Speed SteelIndustry grade M35 high speed steel drill bit set, much harder than HSS used in other similar drill bits set. These drill bits contain 5% Cobalt, which increases wear-resistance and durability.
Manufacturer: amoolo. M35 Cobalt High Speed SteelIndustry grade M35 high speed steel drill bit set, much harder than HSS used in other similar drill bits set. These drill bits contain 5% Cobalt, which increases wear-resistance and durability.