Hexagonal Shank Spiral Groove Cross Alloy Drill Bit Ceramic Four-blade Drill Bit

Features:

* and *Made of alloy, strong toughness and wear resistance. *Cross-shaped four-knife design, very for blades, improve drilling speed. *Incision resistance are small, increase the opening speed, long service life. *Widened spiral groove design, fast chip removal. * Can be installed in the hand drill, electric drill. *Suitable for Ceramics, granite, tiles, stone, wood, plastic,concrete wall to drilling hole

Specifications: Item Type:Cross Hex Tile Bits Material: Alloy Bit Type: Tile & Glass Drill Bit Drill diameter: 3mm/4mm / 5mm / 6mm / 8mm / 10mm / 12mm （optional） Shank diameter: 1/4inch/6.35mm (approximately) Colour:as the picture shows

Package Contents: 1 x Drill Bit