4PCs Diamond Drill Bits, 10mm Hole Drill Bit, Blue Hole Opener 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.

73 x 10mm / 2.9 x 0.4in Hole Diameter: Approx.

10mm / 0.4in Uses: Fit for drilling holes in marble, concrete, granite, ceramic tiles, glass, etc.

Package List: 4 x Hole Drill Bit Note: Manual weight measurement, please allow an error of 1‑3mm, thank you for your understanding.

Features & details Features [with Strong Hole Opening Performance]The diamond drill bits for glass keeps strong hole opening performance, and can support fast and uninterrupted drilling and smooth operation.

High Quality This diamond drill bits 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.