HIGHDRIL Diamond Drill Bit Set - 4pcs (6/6/8mm+20mm Hex Chamfer Bit) Diamond Hole Saw Kit for Ceramic Porcelain Tile Granite Marble Brick Dekton with Triangle Shank

• ✔【Specification】4pcs vacuum brazed diamond drilling bits with Triangle Shank. Diameter: 3pcs 6/6/8mm diamond drill bits, 1pc 20mm(4/5") chamfer bit. Drill bits: Diamond height: 10mm, Total length: 65mm, Diamond grit: #40/45. Chamfer bit: Diamond height: 20mm, Total length: 50mm, Diamond grit: #80.
• ✔【Application】Diamond core drill bits for dry or wet drilling Porcelain tile, Ceramic, Granite, Marble, Stone, Masonry, Brick and all similar materials.
• ✔【Vacuum Brazed】Vacuum brazed drill bit for fast drilling and chamfering, with long service life, high efficiency and durability.
• ✔【Set Combination】The combination of drill and chamfer bit makes the work more efficient and allows drilling, chamfering of multiple sizes with one set of tools.
• ✔【Machine】Suitable for electric drill, bench drill, etc. Recommended speed 2000-5000RPM. RPM should be greater than 2000. The faster the RPM, the longer the drill bit will last.

Package includes: HIGHDRIL 4pcs (6/6/8mm+20mm Hex Chamfer Bit) Diamond Hole Saw Kit for Ceramic Porcelain Tile Granite Marble Brick Dekton with Triangle Shank