[Size Diamond core drill bit]--Total 8pcs,1/4" 1/4" 3/8" 1" 1-3/8" 1-1/2" 2" 2-4/7" (6/6/10/25/35/38/50/65mm), diamond height 10mm, total length 65mm, Triangle shank tile drill bits,1pc hex shank adapter [Size Diamond beveling chamfer bit]-- 1pc 1-3/8"(35mm), 35mm workable length, 5/8-11 Thread, Grit #80, toal Length 45mm,Chamfer Angle:Top Angle 53 degree [Wide Application] --Worked great for dry drilling clean holes through porcelain tile shower walls, ceramics, bathroom tile,marble granite,stone,masonry,brick,stucco,counter top with ease,Using water could prolong the lifetime of the tile drill bits [Vacuum Brazed Technology] --Increases resistance to temperature and friction,provide 5x the working life compared with electroplated bits,more heavy duty and wear resistant.High-quality core steel body helps to be more efficient and durable,not easy to deform,you could drill smoothly with no broken edges [Machine] --suitable for any electric drill,hand drill,Bench Drill, When use Angle Grinder,please install angle grinder drill chuck.Aluminium portable suitcase included. For easy carry and storage and protect of the core bit.Recommended RPM is 6000; Maximum RPM is 11000 You could use our diamond tipped drill bits for bathroom remodel,includes installing faucet,handles,shower plumbing,shower doors,conduit,grab bar,brackets in porcelain for both hooks and glass shelves,hang towel fixtures.or thread power wires through cement,make holes in the bottom of plant pots,or install garbage disposal button, soap dispenser and filtered water through a granite counter.
Using our bit for cutting the accurate holes without cracking, Cool it with water while drilling could prolong the lifetime.
USER TIP: For a better finish and longer duration of the porcelain tile drill bit.you could start on a slight angle at its lowest speed for better control, then slowly move the drill back to perpendicular.
The average life of the tile hole saw depends on several factors,including the type of aggregate and material, its thickness/hardness ,proper cooling and use.
This is the ideal diamond drill bit for rock, DIY ,ceramic workers, construction workers, general contractors and tradesmen. All our products are subjected to strict quality tests.