Diamond Tile Drills DU-CTD-VAPODRY Duro ULTRA with a brazed bond matrix giving the ability to drill the hardest porcelain tiles practically DRY! Drill quickly and easily with minimal coolant and incredible life, auto slug ejection and 3 flatted shank.Drill dry in the hardest of tiles! Minimal coolant allows dry drilling giving exceptional lifeDUROs VAPODRY diamond drill, drills holes in the hardest stone and tile materials up to and including grade 5+PATENTED THIN KERF DESIGN & OPTIMUM SIZE SUPERIOR GRADE DIAMOND GRIT enables incredible penetration rates over 70% fasterQuickly and easily drill multiple holes with minimal coolant effectively DRY drilling with excellent speed and tool lifeA single dip in any fluid before starting any hole is enough to allow the VAPODRY to drill without the use of a constant flow of coolantAuto slug ejection enables continuous multi-hole drilling with the highgrade diamond meaning easy start capability in the tightest of areas without a guideLow t