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What Is Diamond Drill Bit

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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
Wax-filled small-diameter diamond drill bits for clean, convenient dry drilling.

Applications: Porcelain, ceramic tile, granite, marble and sintered stone
Size range: 5–18mm
Shank options: 1/4 hex, standard hex, round and three-sided
Design benefit: Internal wax supports cooling during dry drilling
Machinery: Cordless drill and power drill
OEM support: Custom length, shank, color, logo and packaging available
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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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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

Diamond Drill Bit
M14 vs Hex-Shank Vacuum-Brazed Diamond Drill Bits: A Stocking Guide for Distributors
14-September-2026

M14 and hex-shank vacuum-brazed diamond drill bits serve different machines and customer groups. This guide helps distributors compare machine compatibility, applications, assortment planning, sample evaluation and common operating issues before choosing products for porcelain and stone drilling.

Read More
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Diamond Cup Wheel
How to Evaluate Diamond Cup Wheel Samples Before a Bulk Order
07-September-2026

Choosing a diamond cup wheel for distribution requires more than comparing photographs and unit prices. This guide explains how to define the application, evaluate samples under controlled conditions and turn test results into a clear purchasing specification.

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Diamond Drill Bit
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

Read More
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Diamond Drill Bit
Wet Sintered Diamond Core Drill Bits: Applications and Recommended Drilling Methods
29-August-2026

Learn how to select and use a 0.95 mm thin-wall wet sintered diamond core drill bit for porcelain, ceramic tile, sintered stone and marble. This guide covers typical applications, compatible drilling equipment, continuous water-cooling requirements, step-by-step drilling methods, common mistakes and safety recommendations.

Read More
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   Mobile/Whatsapp/Wechat: 0086-13675900041

   Email: info@wanshintool.com  jerry01983@qq.com

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