BGTEC Dry Diamond Drill Bits Set-4pcs 1/4″ Tile Drill Bit with Quick Change Hex Shank and 1pc 1/4″ Carbide Drill for Granite Marble Porcelain Ceramic-Fast Shipping

Description

SizeTotal 5 pieces, 4 pieces 1/4 inch(6mm) dry diamond drill bits, 1pc 1/4 inch(6mm) Carbide Drill Bit, Hex Shank Quick-fit.

ApplicationDry drilling for Granite, Tile, Ceramic, Marble, Stone, Glass, Porcelain, Masonry. Use water for longer time.

Recommended MachineDiamond dry drill bits suitables for Corded Drill, Cordless Drill, Benchtop Drill. Recommended speed: 2000-5000RPM; Faster the RPM, Longer the drill bit’s Working Life. When use Angle Grinder, please install angle grinder drill chuck.

Wax insideWax inside for cooling,our Diamond Tipped Drill Bits have wax cores built-in which automatically absorb and dissipate heat as you go. The cross hole opener is to provide accurate positioning for diamond bit, not recommended for drilling.

Vacuum Brazed technology Vacuum Brazed diamond technology provide very high efficiency,cuts faster and lasts longer. Diamond material upgraded, can drill 10-15 more holes than ordinary drill bits.