BRSCHNITT Diamond Drill Core Bit Set 11pcs 6-65MM Ceramic Tile Spring for Tile Marble Granite Stone Porcelain Hole Saw Drill Bit

Item: BRSCHNITT Diamond Hole Saw Quantity: 11pcs Specification: Diameter: Dia 6/8/10/20/25/28/32/35/45/65mm ; Total Length: 65mm; Diamond Height: 10mm; Triangle shank Diamond Chamfer Bit: Dia 50mm; HEX Shank Feature: 1. 20MM and above drills are equipped with springs inside, the springs can assist in chip removal, which can quickly discharge chips during drilling, not easy to clog and improve efficiency 2. 6-10MM internal wax cooling, waterless dry drilling; when drilling, the wax will melt to lubricate and cool the drilling surface; 3. Processed by vacuum brazing technology, the diamond particles are firmly welded on the substrate, long service life; Note: 1.Drilling mode can only choose flat drilling mode, impact and hammering mode cannot be used; 2.Use the suction cup positioner to position the hole accurately or place the drill at a 45 degree angle to drill until the drill begins to penetrate the material, then raise the drill to a vertical position and continue.