5PCS Carbide Tip Multifunction Drill Bits Set with Gold Flute Coating for Drilling Stone, Steel, Glass, Concrete, Wood, Plastic, Brick and Tiles (SED-MTD-S5G)

5pcs Carbide tip Multifunction drill bits set with gold flute coating for drilling stone,steel,glass,concrete,wood,plastic,brick and tiles
diameter size:5mm,6mm,8mm,10mm,12mm etc
Length:100mm,110mm,124mm or as per request.

Uses: used for drilling hard and brittle materials such as ceramic tiles, cement, ceramics, vitrified tiles, polished glazed tiles, iron sheets, plastics, wood, etc.
Note: 1. Adding water to cool down can prolong the service life.