3 Review(s)

eature: * brand new and high quality *Made of high-quality materials, durable *Diamond coated drill bits can work well on a variety of materials, such as ceramic tiles and ceramic tiles (including walls and floors), glass plates, fish tanks, aquariums, marble, granite, ceramics, porcelain, bottles, quartz sinks , etc. *Diamond particle coating has excellent performance and service life *Do not use in dry heat, these diamond coated tools are most effective if you keep the tools cool with water. *Please add water as coolant and drill slowly *Start drilling to the surface at an angle of 45 degrees and align 90 degrees according to the form of the hole *Do not use an electric drill when the machine is hammering. *The hole is clean, no further processing is required Specification: *Outer diameter: 32mm (1-1/4 inch) *Hex handle diameter: 10mm (3/8 inch) *Total length: 65mm (2-9/16 inches) *Drilling depth: 29mm (1-1/8) *Quantity: 2 pieces *Material: Diamond *Color: as shown Package Contents: 2* Diamond drill bit