Feature:
1. Forged with M35 cobalt?containing steel, head quenched and heat treated, high hardness and good wear resistance.
2. With 130 degrees drill point and double relief angle design, the cutter head can cut sharper.
3. Accurate grinding technology, good wear resistance, strong and durable, has a long service life.
4. Reasonable 38 degrees large vortex angle design, enlarged chip flute, glossy and flat high temperature non?stick knife.
5. Round shank chamfer design, clear steel stamp marking size, easy to distinguish drill Diameter when using.
Specification:
Item Type: Twist Drill Bit SetMaterial: M35 cobalt steel
Purpose: Drilling stainless steel, die steel, aluminum alloy, high carbon steel, cast iron, wood
Point Angle: 130 degrees
Product Specifications (mm): 11.522.533.544.555.566.577.588.599.510Size: Approx. 1mm 0.04in1.5mm 0.06in
2mm 0.08in2.5mm 0.1in
3mm 0.12in
3.5mm 0.14in4mm 0.16in
4.5mm 0.18in
5mm 0.2in5.5mm 0.22in
6mm 0.24in
6.5mm 0.26in7mm 0.28in
7.5mm 0.3in
8mm 0.31in8.5mm 0.33in
9mm 0.35in
9.5mm 0.37in10mm 0.4in .
Package List:
19 x Twist Drill1 x Plastic BoxForged with M35 cobalt?containing steel, head quenched and heat treated, high hardness and good wear resistance.
With 130 degrees drill point and double relief angle design, the cutter head can cut sharper.
Accurate grinding technology, good wear resistance, strong and durable, has a long service life.
Reasonable 38 degrees large vortex angle design, enlarged chip flute, glossy and flat high temperature non?stick knife.
Round shank chamfer design, clear steel stamp marking size, easy to distinguish drill Diameter when using.
