PILOT DRILL BIT

Betalent carbide pilot drill bits are made of selects precise h6 ground carbide rods ( the carbide grade is selected according to the workpiece hardness and toughness), the flutes, angle and chip removal grooved well designed by professional engineer, and manufactured by 5-axil Walter grinding machine, which ensure the good performance of the drill bits. There are 60degree tip angle, 90° and 120° for general application, among them, large quantity of 90° pilot drill bits are stocked in Betalent carbide warehouse for a quick delivery.

d   Cutting dia.(mm) D  Shank dia.(mm) Lc Cutting length(mm) L                   Overall length (mm)

1.0 3 3 50/25

1.5 3 3 50/25

2.0 3 6 50/25

2.5 3 6 50/25

3.0 3 6 50/25

4.0 4 7 50/25

5.0 5 8 50/25

6.0 6 8 50/25

8.0 8 10 60/30

10.0 10 16 60/75

12.0 12 18 75

3.0/6.0 3.175 12 38