. These bits are made of M35 material with 5% cobalt, high hardness and stable performance.
2. Cobalt steel extends the life of cutting edge and maintains the cutting life after regrinding.
3. This HSS cobalt drill bits is very suitable for drilling on stainless steel, cast iron, metal plate, steel plate and angle steel.
4. The 135 degree tip drill immediately starts drilling with a small force and eliminates “walking” on the working surface.
5. The high speed steel twist drill bit set has high surface finish, high grinding accuracy and sharp and durable blade. It is widely used for drilling stainless steel plate, automobile spring steel and die steel.
Specifications:
Material: HSS CO/M35
Drill bit size(Optional):1.0, 1.5mm, 2mm, 2.5mm, 3.0mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 5mm
Quantity:10
Package included:
10 x M35 Cobalt Drill Bits