Diamond Core Drill Bit is a cylinder used for plunge cutting out materials. It is composed of a heat treated steel core and the working part which consists of diamond and metal powder. Diamond core drill bit usually have a single layer of diamonds, held by a touch durable nickle alloy. Core bits are able to retain their original shape and dimensions through their working life. Unlike sintered (metal bond) where diamond particles are buried in bond and held together by metal binder deep inside. The core bit allows diamond particles to protrude from the bond matrix, providing a free, faster drilling action with minimum heat generation.
For diamond drill bit diameters 10mm to 38mm we use high quality 10mm high quality crown (ring) diamond segments – This helps for an easy start-up when hand held drilling.
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Sintered Diamond Core Drill Bit for Granite Distribution
Aggressive cutting on granite and engineered stone.
Easily cuts through ceramic and porcelain tile, glass, marble, granite, quartz.
We recommend a template be used when drilling free-hand and a scrap piece of stone be clamped under the stone to prevent excessive chipping on the backside of the stone.
Use with any electric drill. Diamond circular hole saw for floor Drain, Shower, Shower Mixing Valve, Shower Drain installation.
The diamond particulate coating give superior performance and lifetime. Please note our tools do not need center pilot holes. Center pilot hole drills are mostly for wood, metal, etc.
Name: Diamond core drill bit for marble masonry granite with 3-150mm diameter
Type: Sintered diamond core drill bit hole saw
Material: Sintered diamond
Diameter: 3-200mm
Drilling Depth: 3mm
Length: 78mm
Shank: Cylindrical shank
Surface: Sintered
MOQ: 100 pieces
Application: Marble, masonry, granite, concrete ceramic, tile, glass
Package: Carton packing or as your request
Delivery: 2~3 working days
