Drills/Cores through Concrete, Granite, Masonry, Stone, Marble. The core bit's arbor is 5/8"-11 female Thread.
eBay
CMCP 2 Flute Carbide Wood Forstner Drill Bits 4-14mm Right Rotation Wood Hole Cutter 70mm Total Length Router Bit
Aliexpress UK
Radius / Roundover Bullnose. Diamond PREMIUM GRADE DRY Polishing Pad for granite marble concrete -with water feed hole, can be wet use. -ideal speed of grinder/polisher: 3500-4500 RPM.
eBay
3PCS 1/4" Hexagonal Shank Pagoda Step Dill Bit Set High Speed Titanium Steel Drill Bit for Wood/Plastic/Metal Expansion Drilling
Aliexpress UK
With 5/8"-11 Female Thread arbor. 1 X Grit 50 100 200 400 800 1500 3000 Buff. (e) 8 Pieces of 4" Diamond wet / dry polishing pad for stone granite marble porcelain concrete.
eBay
Hand Post Hole Digger 24'' X 4" Earth Garden Auger Drill Non Slip Handle Spiral Drill Planter Bit for Digging Weeds Roots
Aliexpress UK
Its heat-resistant coating ensures durability under intense cutting conditions. Always believe we can solve problems by communication if there are any problems. Fast and 100% assured, get the item you ordered or get your money back.
eBay
10Pcs 3/4/5/6/7/8/10/12mm Cross Hex Drill Bit Set for Tile Porcelain Glass Mirror Multifunction Tile Porcelain Carbide Drills
Aliexpress UK
Our products are in use at many of the larger projects such as, the HK airport and HK Disney Land. New one piece of 95mm ( 3 3/4" ) Diamond coated hole saw with pilot bit. 6mm pilot bit inside and you can remove or adjust the pilot bit by 2.5mm hex.
eBay
1.0-1.5-2.0-2.5-3.0-3.5-4.0-5.0mm 10pcs HSS Titanium Coated Spiral Center Drill Bit Set Metalworking Drill Hole Cutter 60 Degree
Aliexpress UK
Diamond zero tolerance grinding drum is for stone concrete travertine sink hole inner edge polishing (it should be used after you cut out the hole). Diamond core bit is for stone concrete travertine sink hole cut out.
eBay
4-12mm Vertical Pocket Hole Jig Woodworking Dowel Drill Guide Self Centering 9-Hole Drill Bit Guide Jig Positioner Locator
Aliexpress UK
Ideal speed (of polisher / grinder) capacity is 4000 RPM, Not be higher than 5000 RPM. (d) 5 Pieces of 2" Wet Polishing Drum for granite marble concrete sink / basin hole / sink cutouts / tight radius (with 5/8"-11 Thread arbor).
eBay
4/6 Split Water Pipe Universal Cutting Tool Water Pipe Internal And External Integrated Cutting Tool, Drill Bit Electric Drill
Aliexpress UK
So you could drill holes in Dry/Wet Conditon, very. Vacuum brazed diamond Dry / wet use drilling bits. Total height 62-75MM, Max working depth 50mm, Diamond height 15MM. diamond grains permanently brazed to the edge of steel.
eBay
4 Spiral Flute HSS 3Pcs M35 Step Drill 1/8"-7/8" Impact Stepped Drill Bit Tian Coated For Metal Woodworking Wear-Resistant
Aliexpress UK