Included:
7pcs Drill Bit (3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm)
Features:
It has strong toughness and wear resistance.
Incision resistance are small, increase the opening speed, long service life.
Industrial grade of TIN Coated Carbide Point with 4 Cutting edges.
Can be installed in the hand drill, electric drill.
Suitable For Ceramics, granite, tiles, stone, wood, plastic,concrete wall to drilling hole.