Product Details
✓Total 6pcs/set: 5pcs quick-fit hex shank drill bits(6/6/6/8/10mm) + 1pc 6mm carbide triangular drill bit.
✓Quick-fit Shank drill bits: diameter 1/4”(6mm), total length 68mm, diamond height 10mm. Diameter 5/16”(8mm),3/8"(10mm), total length 80mm, diamond height 10mm. Wax inside for cooling, dry drilling without water.
✓Carbide triangular drill bit: total length 77mm. Used to provide accurate positioning for diamond bit, not for drilling.
✓Operation: Drilling for granite, porcelain tile, ceramic tile, marble, stone, masonry.
✓Applicable machines: Electric hand drill, bench drill, etc; Please ensure that the drill speed is over 2000RPM. The higher the drilling speed, the longer the product life.