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What Is Diamond Drill Bit

vacuum brazed core bit supplier
A diamond drill bit is a useful tool when drilling into hard materials such as ceramics, porcelain, tile, glass, marble and granite. As we all know, diamond is very hard and has strong cutting ability. Diamond cut drill bits gain additional cutting power through small pieces of diamond powder embedded in them.
Diamond drill bits come in many sizes and types. For example, diamond core drill bit is hollow in the middle and larger than other bits. Some diamond drill bits require water or other coolant to lubricate the bit when drilling hard materials. Dry diamond drills, on the other hand, do not require water and are easier and more convenient to use.
Different factors come into play when choosing the right diamond bit, including the material you plan to drill and what kind of hole you need. Quanzhou Zhuoshi Superhard Tool Co. Ltd is a professional diamond drill bit manufacturer, providing you with a wide variety of diamond cut drill bits to choose from.

Diamond Drill Bit For Sale

1/4" Hex shank Ceramic Vacuum Brazed Drill Bit with Wax Diamond Drill Bit
1/4" Hex shank Ceramic Vacuum Brazed Drill Bit with Wax Diamond Drill Bit
Application: For dry drilling porcelain, granite, marble, dekton, etc.
Diamond grit: 40/45#
Available size: 5-18mm
Shaft type: Round, hex, Three-sided,1/4" Hex
Feature: Fast drilling, self-sharpening
Machinery: Cordless drill, Power Drill
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Premium quality Vacuum Brazed Diamond Drill Bit for Porcelain
Premium quality Vacuum Brazed Diamond Drill Bit for Porcelain
Application: For drilling porcelain, dekton, brick, mansonry, etc
Working condition: Dry use
Diamond grit: 40/50#
Feature: Fast drilling, self-sharpening, self-cooling
Sizes: 5-150mm
Package: PVC tube
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Competitive Porcelain tile Drill Bit Diamond Hole saw for Ceramic
Competitive Porcelain tile Drill Bit Diamond Hole saw for Ceramic
Application: Drill porcelain, granite, marble, dekton, mansonry, etc
Type: Vacuum brazed
Diamond grit: 40/45#
Working condition: Dry use
Package: Plastic tube
Color: Can be customized according to RAL or Pantone code
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Round Shank Vacuum Brazed Diamond Drill Bit for Porcelain
Round Shank Vacuum Brazed Diamond Drill Bit for Porcelain
Application: For drilling porcelain, dekton, brick, mansonry, etc
Working condition: Dry use
Diamond grit: 40/50#
Feature: Fast drilling, self-sharpening, self-cooling
Sizes: 5-150mm
Machinery: Cordless drill, power drill
Package: PVC tube
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M14&1/2GAS Diamond Drill Bit Ceramic Drill Bit Porcelain tile Hole Saw
M14&1/2GAS Diamond Drill Bit Ceramic Drill Bit Porcelain tile Hole Saw
Application: For drilling all kinds of porcelain, white dekton, etc.
Type: Sintered crown segment, silver brazed
Segment thickness: 1.2mm, 1.5mm(6-50mm)
Thread: M14&1/2GAS
Working condition: Wet
Machinery: Angle grinder, CNC machine
 
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Premium Dry Diamond Drill Bit for Granite Diamond Brocas
Premium Dry Diamond Drill Bit for Granite Diamond Brocas
Application: Drilling granite
Feature: Fast drilling speed
Working condition: Dry use
Thread type: M14, 5/8''-11
Total length: 65mm, 104mm
Packing: PVC tube, papaer carton
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Fast speed Diamond Drill Bit with Side Protection Diamond Stripes
Fast speed Diamond Drill Bit with Side Protection Diamond Stripes
Application: Drilling granite
Feature: Fast drilling speed
Working condition: Dry use
Available sizes: 20-150mm
Thread type: M14, 5/8''-11
Total length: 65mm, 104mm
Packing: PVC tube, papaer carton
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Benefits Of Diamond Drill Bit

Benefits Of Diamond Drill Bit
01
Versatility
Diamond drill bits can effectively drill through almost any material, such as porcelain, tile, glass, marble, granite, etc.
02
Accuracy
The use of diamond drill bits makes cutting more accurate and faster, and reduces the risk of inadvertent structural damage.
03
Low noise levels
The noise generated during the diamond drilling process is very small, it will not disturb others, and there is no dust, which is suitable for any working environment.
04
Cost effective
More accurate drilling with diamond drill bits means less debris is produced, which helps save time and disposal costs.

Industry Application Of Diamond Drill Bit

Choose Your Diamond Drill Bit

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How To Fit The Diamond Drill Bit To Your Drill

1
Check what material and its hardness, thickness you are going to drill;
Check what is your drilling equipment.
2
Choose the right drill bit for your available drilling equipment, it can save you time and money.
3
Before use, visually check the drill bit for cracks or other damage and as for run out.
4
For safety and health issue, please wearing proper equipment such as snug fitting clothing, safety goggles, hearing and head protection, dust mask.
5
Coolant for your drill bit: if you are using a vacuum brazed or electroplated drill bit, in most of the condition it doesn’t need a coolant, if it is a sintered segmented drill bit, check the instructions to see if it needs coolant, for most of the situation, if the working condition allows you to use coolant, the sintered segment drill bit will have a better performance, also with the vacuum brazed or electroplated drill bits.
6
After start drilling, if you are not sure the best RPM of the machine, follow the rules:

A: Soft and abrasive materials can start with higher RPM, while hard and dense materials requires less RPM and increase RPM gradually.

B: Smaller diameter drill bit can start with higher RPM than bigger diameter drill bit.

Work Principle Of Diamond Drill Bit

Diamond Drill Bit FAQ

  • How could I get a sample?

    Before we received the first order, please afford the sample cost and express fee. We will return the sample cost back to you within your first order.

  • Sample time?

    Stock items: Within 2  days. Need to produce: depends on the production arrangment

  • Whether you could make our brand on your products?

    Yes. We can print your Logo on both the products and the packages if you can meet our MOQ.

  • Whether you could make your products by our color?

    Yes, The color of products can be customized if you can meet our MOQ.

  • How to guarantee the quality of your products?

    1) Strict detection during production.
    2) Strict sampling inspection on products before shipment and intact product packaging ensured.

Diamond Drill Bit News

News
What is a high-quality diamond drill bit?
26-May-2022

An outstanding consumer must be a consumer who can quickly distinguish the good and bad products in the market. So, what is a high-quality diamond drill bit?Here is the outline:1. What is a high-quality diamond drill bit?2. How to choose a high-quality diamond drill bit?3. What are the advantages of

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News
What Size Diamond Drill Bit Do I Need?
05-December-2025

You measure your anchor, pick a diamond drill bit that "looks about right," drill the hole… and the plug is either too loose, too tight, or the tile cracks. Sound familiar?

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News
Dry vs Wet Diamond Drill Bits: What's the Difference?
02-December-2025

Have you ever burned out a brand-new diamond drill bit in just a few holes and wondered what went wrong? Or maybe you've seen "dry drilling only" on one package and "use with water" on another and weren't sure which one to trust for porcelain or granite.

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News
Best Tile Cutter: Manual vs. Electric
12-September-2025

When you want the best tile cutter, your choice depends on your job. Manual tile cutters are good for fast work and straight cuts. They are also quiet. Electric tile cutters are better for hard tiles and big jobs.

Read More
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