Cylindrical Shank 120 Degree 5 Flute HSS Countersink Drill Bit

1/4 Inch  - 3/4 Inch    (8MM-20MM is Available)

5 Flute    (3 Flute, Single Flute, 0 Flute,  6 Flute, 7 Flute, Multi Flute are Available)

1. Five-blade chamfering with staggered cutting groove, easier to discharge wood chips

2.High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.

3.Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications.

4.Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging.

5.Ideal for wooden planks,fiberboard,particle board,plywood,plastic,alumiumn board ,pcb board and more