Product Review

The Sintered Diamond Drill Bits are made of HIGH QUALITY STEEL STONE, which is made of advanced powder and unmooring gold.
They have the characteristics of HIGH PRECISION and HIGH SPEED, and it has the service life that other craft can't match.

Material: Carbide and High Quality Steel
Specification: 6mm, 8mm, 10mm Diamond Hole Saw and one 6 mm Cross hexagonal bit.
Usage: it is suitable for ceramic glass granite tile, marble, stone, magnetic materials and hard materials such as cement products of hole processing.

√How to Use DRILLPRO Diamond Drill Bits
●Use pen to mark start of hole，and keep wet with WATER or COOLANT.
●Angle drill 45 degrees to start hole, and being drilling at low speeds.
Angle drill to vertical position once the hole has started.
●Minimum pressure.Slow speed down for exit hole or drill from the other side to prevent breakthrough.

Notes:
●Diamond hole drilling is not suitable for metal material processing.
●This product can be used in bench drill, hand drill, but not in impact drill.
●Be sure to add water or lubricant when drilling.

√Why Choose DRILLPRO
â–¶Good quality and reliable brand.
â–¶Within 90 days product quality is not completely satisfied, please CONTACT US, 100% refund.
â–¶24-hour feedback excellent customer service.