HIGHDRIL Diamond Laser Welding Bits Segmented Corrugated Cutter for Drilling Granite Marble Nature Stone Concrete Dia 20mm to 102mm

ITEM: Laser Welded Diamond Dry Drilling Core Bits With Side Protection Quantity: 1pc only Specification:  Brand Name:HIGHDRIL Certification:CE Certification Origin:China Type:5/8-11 Material:Diamond Plating Sand Diamond mesh:#25/#35 Is_customized:Yes Segmenth height:10mm Total Length:100mm Application: Drilling hard granite marble all nature stone and concrete Feature:               1. Adopt advanced and high-end technology - laser welding technology to avoid tool teeth falling off during dry processing; The service life and cost performance of the products are greatly improved;               2. High quality diamond cutter head is selected, the matrix and steel body are closely combined, and the diamond is firmly embedded;                3.The vacuum brazing protective layer arranged on both sides of the inner and outer walls of the matrix provides clean cutting and steel core protection ;               4. Segmented corrugated tooth cutter head provides strong drilling speed and gr