5PCs Diamond Drill Bits, 8mm Diamond Hole Drill Bit, Blue Diamond Drill Cutter, with Strong Hole Opening Performance, for Drilling Holes in Marble, Concrete, Granite, Tiles, Glass

Description Specification: Item Type: Hole drill bit Color: Blue Material: Diamond Size: Approx.

72 x 8mm / 2.8 x 0.3in Hole Diameter: Approx.

8mm / 0.3in Uses: Suitable for drilling holes in marble, concrete, granite, ceramic tiles, glass, etc.

Package List: 5 x Hole Drill Bit Note: In manual measurement, due to manual weight measurement, please allow an error of 1-3mm, thank you for your understanding.

Features & details Features [Good Performance]The diamond drill bits adopt high quality diamond brazing technology, of sharpness tooth edges, smooth openings without broken edges, no vibration.

with Strong Hole Opening Performance The Diamond Hole Drill Bit for glass has strong hole opening performance, and can fast drilling speed, smooth drilling without seamless.

High Quality This Hole Drill Bit are made of high-quality diamond material, which can maintain high hardness and durability, is not easy to be damaged, is well-made and has high quality, and has a long service life.