1. Forged from premium 9341 steel, high hardness and good wear .
2. The drilling head is processed by quenching to ensure excellent performance.
3. 135°drill point adopts double relief angle design to achieve incisive cutting.
4. 38°large spiral angle design increases cutting chip flute.
5. Standard 1/2 inch round shank for convenient and secure use.

Specification:
Features:
Forged from premium 9341 steel, high hardness and good wear .
The drilling head is processed by quenching to ensure excellent performance.
135°drill point adopts double relief angle design to achieve incisive cutting.
38°large spiral angle design increases cutting chip flute.
Standard 1/2 inch round shank for convenient and secure use.
Good reliability, perfectly fit for cutting wood, metal and etc.
Specifications:
Condition: Brand New
Material: 9341 steel
Color: Shown as picture
Shank Diameter: 1/2in
Optional Drilling Diameter: 16mm, 17mm, 20mm, 21mm
Package Weight: Approx.138g(16mm), 156g(17mm), 189g(20mm), 215g(21mm)
Package List:
1 * Twist Drill Bit
Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.