Hard durable, with grooves for better chip removal.
Combined suit, more complete and convenient.
Material: High-Speed Steel
Specification: M3 M4 M5 M6 M8
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3mm measuring deviation due to manual measurement.
5 X Screw Tap Drill Bits