Best Round Counterbore

Akozon 5pcs M3-M8 Pilot Slotting Counterbore Mould End Mill Cutter Solid Slot Countersink End Mill Drill Bit

【Main purpose】: Countersunk end mill is a specially manufactured tool, mainly used to cut holes that allow bolts or screw heads to be screwed into..
【High precision】: The cutting hole and bottom hole of this tool have high alignment accuracy. Because of its high production efficiency, it is often used in the machining industry..
【High-quality and durable】: The Pilot Counterbore End Mill Cutters is made of hard high-speed steel, with high toughness, wear resistance, and high hardness for high-speed cutting.
it is usually used for assembly on a milling machine..
【More time-saving】: Countersunk cutters reduce the time to change tools, improve the efficiency of machine actuator movement and save manufacturing time..
【Wide range of applications】: Counterbore bit set is suitable for milling of copper, aluminum, steel, cast iron, etc., and can be directly processed or finely processed to heat treatments..

Drill, countersink and counterbore in one step.
Four cutter countersink and tapered drill bit provide superior speed and ideal finish.

Drill, countersink and counterbore in one step.
Four-cutter countersink and tapered drill bit provide superior speed and ideal finish.
Replacement tapered bits offered. Product consist of Drill Bit Only no tool holder.

Drill, countersink and counterbore in one step.
Four-cutter countersink and tapered drill bit provide superior speed and ideal finish.
Tapered drill bit can be replaced for extended life.