7pcs hss counterbore end mill M3.2-M12.4 pilot slotting tool bench

"Feature: 1. high hardness, high hardness, abrasion resistance. 2. quickly, smoothly and accurately to cut. 3. can directly process or fine processing to heat treatment mold. 4. can grinding copper, aluminum, tool steel, cast iron, etc. 5. reducing the number of tool changes, improving the movement speed of the machine's actuator, saving mold manufacturing time. 6. used to be mounted on the milling machine. 7. suitable for sculpted machines, high speed. Specification: Material: high speed steel QQ20181210164958 Package includes: 7 pcs x bench mill cutter note: Please allow 1-5mm errors due to manual measurement. The color of the item displayed in the photos may be showing slightly different on your computer monitor, since the monitors are not calibrated in the same way. "