5Pcs 42mm Diamond Drill Bit Set for Glass, Ceramics, Porcelain & Tile - Hollow Core Diamond Drill Bits for DIY Projects, Home Renovation & Crafting

Feature: 1. High‑quality diamond material, equipped with sharp tip, hard and wear‑resistant, has long service life. 2. The oval chip hole design is more conducive to the discharge of chips, and the cutting resistance will be smaller. 3. Sophisticated production, provides fine quality, superior performance, can work effectively. 4. Wide range of applications, suitable for marble, concrete, artificial stone hole cutting. 5. There are five in total, and the hole diameter is 42mm, which is more accurate and better to meet your needs. Specification: Condition: 100% Brand New Item Type: Diamond Hole Saw Material: Diamond Color: Golden Process: Brazing Hole Diameter: Approx. 42mm/1.7in Handle Diameter: Approx. 8mm/0.3in Quantity: 5pcs Applicable Equipment: Electric Drill, Bench Drill Application Scope: For all kinds of stone, ceramics, vitrified tiles, glass, etc. Package List: 5 x Diamond Hole Saw