Diamond Core Bits
Showing all 15 results
$12.90 – $14.90
T 31 Vacuum Brazed Diamond Anchor Bits. Professional Quality, 3/16", 1/4" & 3/8" Diameter x 3/8" Shaft, Vacuum Brazed Diamond Anchor Bits for T-31 Machine, Delivers Fast & Efficient Slots for Undermount Sink Anchoring. Drills efficiently through Marble, Granite, Quartz, Quartzite, Nano-Glass & Dekton Materials. For Use With Stone Tool Shop, T31 Stainless Steel Bolt Set. Wet & Dry Operation.
Select options - Diameter: 3/16", 1/4" & 3/8"
- Shaft: 3/8" Shaft
- Wet & Dry Operation
- Vacuum Brazed Diamonds
$46.90 – $60.90
Diamond Core Drill Bit for Granite, Sonico®. Professional Quality, Sonico® Turbo-Segmented Diamond Core Bits Deliver Maximum Drilling Speed & Hole Production. Laser Welded for Wet & Dry Drilling Operation Through Marble, Granite, Quartz, Quartzite, Nano-Glass & Dekton Materials. Vacuum Brazed Diamond, Barrel Strips Enable Cleaner & Chip-Free Performance. Up to 120 Holes per 1-3/8" Core Bit. Made in South Korea.
Select options - 8mm Turbo-Seg Height
- 5/8"-11 Thread
- 4" (100mm) Barrel Length
- Laser Weld
- Wet & Dry
$35.90 – $49.90
Diamond Finger Bit Tip for Radial Arm Machine. Professional Quality, Diamond Finger Bits, Deliver High Production Cutting of Sink & Vanity Bowls made from Marble, Granite, Quartz, Quartzite, Engineered Stone & Crystallized Glass. Stone Tool Shop, Diamond Finger Bits, are made for use with Wizard, Thibault, Scorpion & Fabking Radial Arm Machines in Preparation for Profiling & Polishing.
Top-Shelf Diamonds Provide Maximum Longevity of 15 Holes per Replacement Bit. Made in South Korea.
Select options - 20mm x 20mm x M12 Thread
- 2omm x 15mm x M12 Thread
- Can be used with 1/2 Gas Adapter
- For Cutting Bowls
- No Glazing Over
$19.90 – $46.90
Diamond Hole Saw Bits | Granite, Quartz & Porcelain. Professional Quality, 3/8", 1/2", 3/4", 1", 1-1/4", 1-3/8", 1-1/2", 1-3/4",2" x 1/2" Shank, Thin-Gauge, Diamond Turbo Core Bits with Center Carbide Pilot Drill, Delivers Faster & Cleaner Drilling Action through Marble, Granite, Quartz, Ceramic, Porcelain & Dekton Materials. Increased Diamond Concentration Provides Maximum Hole Production at an Economical Price. Made in South Korea.
Select options - 1/2" Shank
- 3″ (75mm) Barrel Length
- 8mm Rim Height
- Wet & Dry
$46.90 – $60.90
Supreme Quality Excel® Turbo-Segmented Diamond Core Bits Deliver Maximum Drilling Speed and Hole Production. Laser Welded for Wet and Dry Drilling Operation Through Hard Granite, Marble and Natural Stone. Vacuum Brazed Diamond Strips Enable Freer and Cleaner Performance. Up to 120 Holes per 1 3/8" Core Bit.
Select options 
$14.90 – $22.95
Non-Coring Diamond Bits. Professional Quality, 3/16", 1/4", 5/16", 3/8", 1/2", 9/16", 5/8" & 3/4", Non-Coring Diamond Drill Bits Deliver Fast, Efficient & Clean Drilling Results Through Granite, Marble, Quartz, Quartzite, Hard Porcelain & Dekton Materials. Excellent On-Site, Drilling Precision for Small Diameter Holes. 5/8"-11 Threaded Arbor.
Select options - Available Sizes: 3/16", 1/4", 5/16", 3/8", 1/2", 9/16", 5/8" & 3/4"
- 5/8"-11 Threaded Arbor
- 8000 RPM Recommended
- Wet & Dry Operation
$5.95 – $6.75
Rubber Suction Drilling Rings | Two Sizes. Indispensable, Rubber Suction Drilling Ring are Handy for Retaining Water & Slurry for On-Site, Core Bit Drilling Jobs. Just Add Water to Interior of Rubber Suction Ring to Provide & Retain Coolant. Easily Adheres to Stone & Solid Slab Surfaces. Available in Two Sizes: 2-5/8" & 3-5/8" Inside Diameter.
Select options - Choose: 2-5/8" or 3-5/8" Inside Diameter
- Flexible Rubber with Special Suction Lip
- Can be Used Repeatedly
$44.90 – $64.90
Thin Wall Diamond Core Bits for Granite | CNC. Professional Quality, Thin Wall Diamond Core Bits for CNC, Deliver the Fastest Drilling Rates & Smoothest Finish on Marble, Granite, Quartz, Quartzite, Crystallized Glass & Dekton Materials. Top-Shelf Diamonds Provide Maximum Longevity of 140 Holes per 1 3/8″ Core Bit. Made in South Korea.
Select options - Thin Wall Segment
- 4″ (100mm) Barrel x 1/2 Gas Thread
- 140 Holes per 1 3/8″ Core Bit
- Wet Operation
$46.90 – $60.90
Thin Wall Diamond Core Bits for Marble & Granite. Pro-Quality, Thin Wall Diamond Core Bits Deliver Super Fast, Precise & Cleanest Drilling Results Through Hard Granite, Marble, Quartz, Quartzite & Dekton Materials. Up to 100 Holes per 1-3/8″ Core Bit.
Select options - 5/8"-11 Thread
- 4″ (100mm) Barrel Length
- 8mm Rim Height
- Wet Operation
$32.90 – $52.90
Vacuum Brazed Diamond Core Bits for Marble. Professional Quality, 1", 1-1/4", 1-3/8", 1-1/2" & 2" Diameter x 5/8"-11, Vacuum Brazed Diamond Diamond Core Bits, Deliver Fast, Chip-Free & Clean Drilling Results on Marble, Limestone, Travertine & Softer Stone Materials. Slotted Core Barrel Opening Allows for Easy Removal of Cored Remains. Our factory’s innovative, vacuum brazing process, enables diamond bonding on both the inside & outside of core barrel. Made in South Korea.
Select options - 5/8"-11 Thread
- 3" (75mm) Barrel Length
- Slotted Core Barrel
- Wet & Dry
$68.90
Vacuum Brazed Diamond Finger Bit for Granite | CNC. Professional Quality, 25mm (1") x 50mm (2") x 1/2 Gas Thread, Vacuum Brazed Finger Bit, Delivers the Fastest Cutting Rates & Smoothest Finish on Marble, Granite, Quartz, Quartzite, Crystallized Glass & Dekton Materials. Made with Coarse, 30/40 Grit Diamonds for Aggressive Performance in Hard & Dense Stone Materials.
Select options - 30/40 Coarse Grit
- 1/2 Gas Thread
- 25mm (1") x 50mm (2")
- Vacuum Brazed Diamonds
$42.90 – $62.90
Vacuum Brazed Diamond Finger Bit for Granite | Smooth | CNC. Professional Quality, 15mm x 50mm & 20mm x 50mm x 1/2 Gas Thread, Vacuum Brazed Finger Bit, Delivers the Fastest Cutting Rates & Smoothest Finish on Marble, Granite, Quartz, Quartzite, Crystallized Glass & Dekton Materials. Available in Coarse, 30/40 & Medium 60/80 Grit Diamonds for Cutting & Honing Performance.
Select options - 15mm x 50mm x 1/2 Gas
- 20mm x 50mm x 1/2 Gas
- 30/40 Coarse & 60/80 Med Grit
- Vacuum Brazed Diamonds
$75.90 – $195.90
Vacuum Brazed Diamond Router Bits for Tile, Marble & Granite. Professional Grade, Vacuum Brazed Diamond Router Bits Deliver Fast & Clean Profiling Marble, Granite, Quartz, Quartzite & Tile. Fits on any 5/8"-11 Threaded, Electric or Pneumatic (Air) Angle Grinder.
Select options - 5/8" - 11 Thread
- Wet & Dry
- Vacuum Brazed
Stone Tool Shop – The Best Diamond Core Bit Supplier for Drilling Through Natural Stone, Quartz & Ultra-Compact Porcelain Slabs
Choose from Stone Tool Shop’s largest selection & widest range of professional quality diamond core bits in sintered, vacuum brazed & laser-welded bonds for every possible Fab Shop material application. If you have questions as to which core bit you may need, let a Stone Tool Shop Sales Pro help guide you in choosing the best option for your shop.
Don’t Have Access to Water On-Site? Stone Tool Shop Has the RIGHT DRY Core Bit for Your Job!
Dry Core Drilling can be a demanding balance to obtain optimal drilling speeds, while achieving a smooth, chip-free finish & maximizing hole production but with the SONICO Core Bit, you will experience the best performance combination at the lowest price on the market! And try our STS Rubber Suction Rings , to maintain easy water retention and lubrication while drilling on-site.
ABOUT OUR DIAMOND CORE BITS
Stone Tool Shop is proud to offer the fastest growing & professional quality selection of diamond core bits for your Fab Shop’s demanding needs. Vacuum Brazed Core Bis for Marble, Tough, Laser-Welded Core Bits for Granite, Quartz & Quartzite and Thin Wall Core Bits for the smoothest possible drilling results, are just a few of the bonds we currently offer.