Hex Shank Carbide Cross Tips Multifunction Twist Drill Bits with Black Oxide for Cutting Stone, Concrete, Glass, Wood etc (SED-MTD-HCTB)

Hex shank carbide cross tips multifunction twist drill bits with black oxide for cutting stone,concrete,glass,wood etc

diameter size:3mm,4mm,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.