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High Efficiency 35mm Diamond Core Bit Premium Quality Dry Diamond Core Bits for Granite Drilling

Categories Diamond Core Drill Bit
Brand Name: OEM
Model Number: JDR-GDBT35
Certification: MPA
Place of Origin: China
MOQ: Negotiable
Price: Negotiable
Supply Ability: 10000 pcs per month
Delivery Time: 15 days
Packaging Details: Export standard or customers' requirements
Materials: synthetic diamond
Mond system: Metal bond
Segment: Crown
Working way: Dry or Wet
Segment shape: Rim
Technology: Silver brazed
Specification: 35*90mm
color: black,blue or as customers'requried
OEM: Accepted
Hardness of bond: Soft
Oringinal technology: Korea
Max RPM: 6000
Ideal RPM: 4000
Min RPM: 2300
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High Efficiency 35mm Diamond Core Bit Premium Quality Dry Diamond Core Bits for Granite Drilling

High Efficiency 35mm Diamond Core Bit Premium Quality Dry Diamond Core Bits for Granite Drilling


These diamond drill bits are perfect for drilling on granite or any other hard stone. These granite core drill bits are made to use dry, making it easier to use on smaller applications where water cannot be used. Which are designed that cuts into stone smoother and makes the bit last long.


FeaturesAvailable in 1 1/4”, 1 3/8”, 1 1/2”, 1 3/4”, 2”
Designed for hard natural stone, granite, marble and similar materials
Vacuum brazed side protection for reduce heating
Fast drilling speed


How to Use

Attach the Dry Core Bit onto your high-speed angle grinder or hand held core drill.

Mark the location of holes that need to be drilled.

Use a template as a guide on the stone in order to avoid any mistakes during drilling process.

Clamp a piece of stone scrap under the stone being core drilled to prevent excessive chipping or “blowout” on the back side of the stone.

Proceed with drilling, pressing steadily until the dry core bit drills through the stone.
When drilling multiple holes, cool off the dry core bit by dipping it in cool water after each drilled hole.

Frequently Asked Questions (FAQs)

Q: What materials can be core drilled using the Dry Core Bits?
A: The Dry Core Bits are designed to be used on granite, engineered stone and porcelain slab materials.

Q: Can I use the Dry Core Bits on marble?
A: No. Marble is too soft and the heat created from dry core drill may crack the material.

Q: Can I use the Dry Core Bit wet?

A: Yes. Although these core bits are designed for dry use, wet cutting is recommended whenever possible. When core drilling within residential homes, the dry application is highly recommended; this will save time and money for time consuming clean-ups of the residence.Yes. Although these core bits are designed for dry use, wet cutting is recommended whenever possible. When core drilling within residential homes, the dry application is highlyrecommended; this will save time and money for time consuming clean-ups of the residence.

Q: What is the main advantage of using dry core bits over wet core bits?

A: We realized that many customers wanted to use wet core drills without water on the job site. When an installer has to makes an additional hole or two, they can not use water since the stone is already installed and using water will be difficult and costly due to the time consuming clean-up.


Quality High Efficiency 35mm Diamond Core Bit Premium Quality Dry Diamond Core Bits for Granite Drilling for sale
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