DT-DIATOOL Daimond Core Drill Bit 1-1/8 Inch 2pcs Vaccum Brazed Hole Saw with 5/8"-11 Thread Drilling for Procelain Tile Ceramic Stoneware Marble Granite Stone Brick

Product Name: DT-DIATOOL Diamond Core Drill Bits Tile Hole Saw for Porcelain Ceramic Tile Marble Granite Masonry Stoneware Quantity: 2pcs Specification: Core bits: Diameter 28mm: 5/8"-11 connection, total length 75mm; diamond height 15mm; max working depth 50mm. Application: Wide application for porcelain ceramic tile granite marble stone masonry brick. Feature: 1.Dry or wet drilling. 2.Vacuum brazed technology provides much longer working life than electroplated technology. 3.High quality diamond grain provide fast and smooth drilling. 4.Minimizing any breakage and safe for operator. 5.Less chipping, minimizing breakage, less heat generation, better finish quality.

• Diameter 28mm: 5/8"-11 thread, total length 75mm; diamond height 15mm; max working depth 50mm.
• Dry or wet drilling for porcelain tile,ceramic, granite, marble, stone, ect.
• Recommend Machine: 5/8" arbor angle grinder. Recommended RPM:6000. Maximum RPM:11000.If you fit them on hand drills, you need an adapter, such as SDS, hex, Round plus shank, etc.Do not use hammer mode.
• Vaccum brazing technology enables a strong bond between diamond, bond and substrate, greatly improving tool life and machining efficiency.
• U Shape incision can reduce cutting resistance.Chip drain design of both sides makes the escape of chips or other particles of the drilling quickly removed. Both of these make drlling fast and smooth .