Washbasin Basin Opener Diamond Basin Wash Sink Core Drill Bit for Porcelain Marble Tile Granite

Tip Material
Body Material
Carbon Steel with Heat Treatment
Vacuum Brazed
Hole Size
Chamfer Diameter
12mm Triangle Shank/ M14/ 5/8”-11
Surface Finish
Color Painting
One Piece in One Paper Box Or In One Double Blister
Recommended Machine
Angle grinder


1. This vacuum brazed diamond hole saw creates a high, smooth cut with no broken edges. Vacuum brazed technology allows the diamond to be in constant contact with the material, sharp and aggressive, ideal for granite marble porcelain tile concrete, etc.

2. Diamond Double-Layer design. Drilling Basin Down Pipe Sink Washbasin more Easier, allows to drill precision holes for your bathroom sink stopper in one operation. Easy and fast.

3.12mm shank suits for 13mm chuck large electric drill and bench drill, triangle shank design allows it to be held in a 3-jaw drill chuck, with higher torque transmission and limited slippage.

4. Good for home DIY and professional users.

We have more professional diamond and sanding tools, you can contact us if you need.

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