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Core Bits

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Diamond Core Bits for Granite & Quartz

Showing all 10 results

diamond anchor bits t31 machine
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Diamond Anchor Bits for T31 Machine
$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.
  • Diameter: 3/16", 1/4" & 3/8" 
  • Shaft:  3/8" Shaft 
  • Wet & Dry Operation
  • Vacuum Brazed Diamonds
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Diamond Core Drill Bit for Granite | Sonico®
$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.
  • 8mm Turbo-Seg Height
  • 5/8"-11 Thread
  • 4" (100mm) Barrel Length
  • Laser Weld
  • Wet & Dry
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diamond finger bit radial arm
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Diamond Finger Bit Tip for Radial Arm Machine
$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.
  • 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
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diamond hole saw bits
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Diamond Hole Saw Bits | Marble, Granite, Quartz & Porcelain
$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.
  • 1/2" Shank
  • 3″ (75mm) Barrel Length
  • 8mm Rim Height
  • Wet & Dry
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Excel® Turbo-Seg Diamond Core Bit for Granite
$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.
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Rubber Suction Drilling Ring_core_bit
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Rubber Suction Drilling Rings | Two Sizes
$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.
  • Choose:  2-5/8" or 3-5/8" Inside Diameter
  • Flexible Rubber with Special Suction Lip
  • Can be Used Repeatedly
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thin wall diamond core bit granite
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Thin Wall Diamond Core Bits for Marble & Granite
$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.
  • 5/8"-11 Thread
  • 4″ (100mm) Barrel Length
  • 8mm Rim Height
  • Wet Operation
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vacuum brazed diamond core bit for marble
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Vacuum Brazed Diamond Core Bits for Marble
$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.
  • 5/8"-11 Thread
  • 3" (75mm) Barrel Length
  • Slotted Core Barrel
  • Wet & Dry
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Verde Crown Diamond Core Bits for Marble & Granite
$38.90 – $69.90
Supreme Quality Verde® Brand Crown Diamond Core Bits Deliver Fast and Super Clean Drilling Action With Smooth, Chip Free Results Through Hard Granite, Marble and Natural Stone.  Up to 125 Holes per 1 3/8" Core Bit.
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Verde® Segmented Diamond Core Bits for Marble & Granite
$38.90 – $69.90
Premium Quality, Verde® Brand Segmented Diamond Core Bits Deliver Fast and Clean Drilling Action Through Hard Granite, Marble and Natural Stone. Up to 100 Holes per 1 3/8" Core Bit.
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Choose From Stone Tool Shop’s Broad Selection of Diamond Core Bits For Every Material Application

Stone Tool Shop’s  professional quality diamond core bits are made with high-tech sintered, vacuum brazed & laser-welded bonded welded cutting rims & segments for fast & super clean drilling results through marble, granite, quartz, quartzite & ultra-compact porcelain slabs.

Our Diamond Core Bits Outlast & Outperform the Market’s Leading Brands

Stone Tool Shop’s Core Bits have been outperforming the competition in high-production shops since 2002. Rest assured, our Core Bit Products are the result of constant innovation & years of proven results drilling through the hardest granite, quartzite & ultra-compact porcelain slabs on the market. Your shop will experience ultra-fast drilling rates, super-clean & smooth finished results & maximum longevity for the most competitive prices anywhere.
Our Sonico Diamond Core Bit, is an industry leader that delivers the best & most consistent performance at the lowest price on the market!

DIFFERENT BONDS FOR DIFFERENT MATERIALS

Stone Tool Shop offers a variety of advanced bonded technologies to promote the right core bit for the right material with the strongest bond guaranteed. Vacuum Brazed Core Bis for Marble easily drill through marble, granite & quartz with the smoothest, chip-free results. STS offers tough, Laser-Welded Core Bits for Granite, Quartz & Quartzite and Thin Wall Core Bits for the smoothest possible drilling results you can achieve.

For Your Information

  • 1-3/8″ | 6500 MAX RPM
  • Up to Qty (120) Holes per 1-3/8″Core Bit
  • 3/16″ to 4″ Diameter | Always In Stock
  • Sintered, Laser-Welded, Vacuum Brazed Bonds for Every Application
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