Vacuum Brazed Diamond Quick Joint Handle Drill Bit/Core Drill/Dry Core Drill Bits

Vacuum brazed diamond quick joint handle drill bit/core drill/dry core drill bits

Usage: for drilling different kind of glass, granite, marble and other stone; wall brick and floor tile, sanitary ware, ceramic handle, and some metal products, such as aluminum, stainless steel, etc.
Characteristic: Sharp, better abrasion resistance, strong bonding, not easy to spall off.
Regular diameter is from 5mm to 120mm; the thickness of diamond is 10mm; total length is 60-85mm; the effective working length is 35-50mm; the range of grit includes #30/#40/#50/#60/#80 or other size. The handle can be customized according to customer requirements, the common handle include round handle, hexagon handle, quick joint handle, internal thread type and external thread type.
This kind of drill bit is used to different electric hand drill, bench drill, and angle grinder. If the small dry drill bit with wax-cooled, the working effect is better.