14 Pieces Diamond Tool Drill Bit Hole Hole Saw for Fiberglass Granite Marble

Description:

This diamond tool drill bit hole natural diamond material, maximizes performance and retains a sharper cutting edge.
Industrial grade metal alloy, thicken diamond coating on the tops for maximum drilling outcomes.
Premium quality, galvanizing treatment, resist corrosion, long last for using.
Perfect set for cutting accurate holes in a wide variety of materials such as glass, ceramics, granite, slate and more.
Total 14 pieces set 3mm-5mm-6mm-8mm-10mm-12mm-16mm-18mm-20mm-30mm-40mm-50mm-60mm-70mm.

Specification:

Material: Metal Alloy

Package Includes:

14 Pieces Diamond Tool Drill Bit Hole

Note:

The product is installed in a professional drill or electric drill, bench drill. you need to add water cooling holes during operation.