Diamond Core Drill Bits Set 9-Pack, DT-DIATOOL Diamond Tile Hole Saw Kit 6/6/8/19/25/35/51mm+35mm Chemfer Bit+Hex Adapter for Porcelain Ceramic Tile Marble Granite

Diamond Core Drill Bits Set 9-Pack, DT-DIATOOL Diamond Tile Hole Saw Kit 6/6/8/19/25/35/51mm+35mm Chemfer Bit+Hex Adapter for Porcelain Ceramic Tile Marble Granite Quantity: 9pcs/set Specification: Core bits: Diameter 6/8mm: 5/8"-11 thread, total length 60mm; diamond height 10mm; max working depth 35mm; Diameter 19-51mm: 5/8"-11 thread, total length 75mm; diamond height 15mm; max working depth 50mm. Diamond chamfer bit 35mm: total Length 45mm; diamond height 35mm; Chamfer angle: top angle 53 degree; Grit:#80. Hex adapter: total length 53mm; shank length 28mm. Application: Wide application for porcelain ceramic tile granite marble stone masonry brick. Core drill bits are used to drilling holes; chamfer bit for trimming holes; hex adapter is attached to a drill bit with a 5/8" fitting so that the drill bit can be attached to your hand drill. 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.

• 【Specification】7pcs core drill bits: Diameter 1/4"(6mm) 2pcs+5/16"(8mm)+3/4''(19mm)+1"(25mm)+1-3/8''(35mm)+2''(51mm); 1pc 1-3/8''(35mm) beveling chamfer bit; 1pc hex adapter.
• 【Application】Core drill bits are used to drilling holes; finger bit for enlarging holes; chamfer bit for trimming holes; Dry or wet use. For porcelain ceramic tile marble granite, etc.
• 【Recommended Machine】5/8" arbor angle grinder. Recommended speed 6000RPM; Maximum speed 11000RPM. hex adapter in this kit can be attached to a drill bit with a 5/8" fitting so that the drill bit can be attached to your hand drill. If you are using this kit on a hand drill, make sure that the drilling speed does not go below 2000 RPM. and do not use the impact drill mode.
• 【Durable and Sturdy】Vacuum Brazed technology provides high efficient working performance and longer service life.
• 【Save time tool】High quality diamond make drilling less chipping; Drill bits, chamfer bit and finger bit are used together for faster hole shaping and a clean finish.