◆ Featuring tough alloy steel body with synthetic diamond grits coated to the tip
◆ Efficient at high speed, Coolant recommended
◆ Prevent coating adhesion action and cut smooth holes
◆ Applicable for abrasive material sheets such as ceramics, tile, glass, fiberglass, germanium and other abrasive materials
◆ Work with portable electric or pneumatic tools, vertical drill machines etc
◆ Cutting Depth: 35mm