Monocrystalline Diamond Powder

Superior Hardness for Efficient Cutting and Drillng

Sawing Size Diamond Grit (GSD Series)

Sawing Size Diamond Powder is a type of synthetic diamond powder with larger particle sizes, designed for cutting hard materials. It offers strong durability and stable performance, making it ideal for diamond tool manufacturers in stone, ceramics, and construction industries.

Size: 16/18(FEPA D1180）to 70/80(FEPA D213）

Wheel Size Diamond Grit (GWD Series)

Wheel Size Diamond Grit is single crystal synthetic diamonds with fine grain sizes. These grits are widely used in metal bond and Electroplated diamond toolsfor precision machining of hard materials. They provide high strength, good thermal resistance, and consistent cutting efficiency, supporting stable tool performance across a range of applications.

Size: 50/60 (FEPA D301）to 500/600（FEPA D35)

Tailored Monocrystalline Diamond to Meet Your Precise Needs

At Crownkyn, your production demands guide our customised approach. We’re more than a diamond powder supplier—we’re your partner in precision, supplying monocrystalline diamond powders specifically tailored to your processing needs. Here’s how we support your exact requirements:

Maximize Your Tools' Efficiency and Precision

Customized Solutions: Tailored grit size, concentration, and coating to match your specific diamond tools and processes.

Versatile Applications: Compatible with metal bond and Electroplated tools, providing consistent performance across diverse manufacturing needs.

Optimized Performance: Controlled hardness and thermal stability to enhance precision, tool life, and efficiency.

Superior Coating: Precise metallic coatings to improve bond strength and wear resistance in demanding conditions.

More Than Just a Monocrystalline Diamond Powder Supplier

Customizing monocrystalline diamond powder is now simpler than ever. Crownkyn’s streamlined four-step process delivers precise specifications quickly, with dedicated support at each stage.

Define Your Needs

We begin by learning your exact grit size, concentration, coating, and application to propose the right solution for your process.

Tailored Sample Preparation

Based on your requirements, we prepare precise single crystal diamond powder samples for performance validation.

Guided Sample Testing

You evaluate the sample in your tools with full support from our technical team to ensure quality, compatibility, and consistency.

Steady Supply & Support

With your approval, we deliver stable, timely production and long-term technical support to help you maintain peak efficiency and reliability.

Why Choose Single Crystal Diamond from Crownkyn

At Crownkyn, we focus on delivering customized monocrystalline diamond powder solutions. With consistent quality and technical expertise, we help you achieve stable performance and process efficiency.

Tailored to Your Needs:We customize grit size, concentration, and coating to fit your specific tool and process requirements.
Wide Range of Options:From coarse to fine grades, with or without coating, our selection ensures the right fit for grinding, cutting, or polishing needs.

Optimized Performance:Through precise material control, we fine-tune hardness and thermal stability to deliver consistent cutting efficiency and tool life.

Balanced Durability:We adjust coating type and thickness to enhance bond strength and wear resistance, ensuring long-lasting, stable performance..

Frequently Asked Question

Can you provide free samples for quality testing?

Free samples of synthetic diamond powder or CBN powder about 50cts can be provided for quality test. Sample preparation typically takes 3–5 working days, and international delivery is about 7 days by air.

Can you provide test reports of products？

we can provide analysis reports upon request. These may include particle size distribution（PSD）, crystal morphology, purity, magnetic content, and thermal stability, especially important for high-performance products.

What is MOQ of the product? Are there any volume discounts?

Pricing depends on product type (diamond or CBN), grit size, and application. MOQ usually starts from 1kg (5000ct). Volume discounts are available for bulk orders or long-term partnerships.

What is the typical delivery time? Is there any emergency production capacity to cope with sudden demand?

Standard delivery time is 7–15 working days after confirming the order. We maintain stock for regular grades and can prioritize production to support urgent requirements when needed.

Is the packaging moisture- and shock-proof?

All products are packed in sealed, anti-static, moisture-proof PE bags, or PE bottles and sealed in shock-proof cartons. And all packaging complies with international transport regulations.

Do you support customised production？

Absolutely. We support customized coatings (e.g., Ti, Ni, Cu) and tailor-made diamond powder and CBN powder to match different bonding systems and tool applications.

Can the supplier provide complete customs clearance documents？

We provide a full set of export documents including Certificate of Origin, MSDS, Packing List, and Commercial Invoice. Specific documents can be arranged based on your destination country’s requirements.

What are the transport options (air, sea, rail)?

We commonly offer air freight. Logistics can be handled by our team or your nominated forwarder, depending on your preference.

Is the supplier's production capacity stable and can it meet our order requirements in the long run?

Yes. Our production facilities ensure stable monthly output, supported by ISO-standardized quality control. We are able to meet ongoing demands and scale production for long-term cooperation.

If the product quality is not qualified, can it be returned or replaced?

In case of verified quality issues, we offer free replacement or return. All related costs including shipping are covered by us. We prioritize long-term trust and transparency with our clients.

Manufacturing Workshop

Monocrystalline Diamond Powder
The Comprehensive Guide (2024)

Explore how monocrystalline diamond powder can significantly enhance the precision and efficiency of your operations. Specially tailored for diamond tool manufacturers and synthetic diamond powder distributors, this comprehensive guide highlights its exceptional performance in polishing, grinding, and cutting applications. With consistent quality and reliable supply, Crownkyn’s monocrystalline diamond powder provides customised solutions that meet your exact industrial needs.

Table of Contens

Purchasing Monocrystalline Diamond for Your Tools from China?

Read Seven Key Tips for Purchasing Synthetic Diamond Powder from China!

What is Monocrysatlline Diamond Powder？

Monocrystalline diamond powder is a high-performance industrial abrasive manufactured through the High Pressure High Temperature (HPHT) method, replicating the natural conditions under which diamonds form deep within the Earth. During this process, graphite is converted into single-crystal diamond particles under extreme pressure and temperature.

Crownkyn Diamond produces monocrystalline diamond powder of exceptional quality, offering superior hardness, thermal conductivity, and wear resistance. Available in precise sawing, grinding, this powder is specifically designed for applications such as precision cutting, grinding, polishing, , catering to the rigorous demands of industrial tool manufacturers and distributors.

Benefits of Monocrystalline Diamond Powder

Synthetic diamond powder is distinguished by its exceptional hardness and thermal stability, offering outstanding wear resistance and consistent performance. Its versatility and superior properties make it a preferred choice over traditional abrasives in demanding industrial applications.

Superior Single-Crystal Hardness

With its strong single-crystal structure, monocrystalline diamond powder delivers exceptional hardness for demanding cutting, grinding, and polishing tasks.

Efficient Thermal Management

Outstanding thermal conductivity ensures effective heat dissipation, maintaining tool performance and extending service life.

Enhanced Wear Resistance

Its robust crystal integrity resists fracture and abrasion, maintaining sharp cutting edges and reducing tool wear even under heavy loads.

Stable and Uniform Particle Structure

Produced via HPHT technology, each particle offers consistent shape, size, and crystal quality for process stability.

Technical Specifications and Sizing Standards

Synthetic diamond powder is available in a range of types and grades, each designed to meet specific industrial needs. Choosing the right type is crucial for achieving optimal performance in cutting, grinding, or polishing applications. Below are the main classifications:

Mesh Size Range

Available Mesh Sizes:
From 16/18 mesh to 500/600 mesh, covering a wide range of applications from coarse grinding to fine machining.

Custom Sizing: Special particle size distributions are available to meet your specific bonding systems and application requirements.

Sizing Standards

GB/T Standard (Chinese National Standard): Comply with GB/T 23561 and other relevant industrial diamond grit size classification standards.

FEPA Standard (European Standard): Grading can follow FEPA specifications upon request, providing compatibility with European tool manufacturing standards.

ANSI Standard (American Standard): Available for customers who require ANSI-based size designations

Particle Shape and Morphology

Crystal Shape: Predominantly angular and blocky with sharp edges, providing excellent cutting ability and mechanical retention within metal, resin, and vitrified bond systems.

Particle Uniformity: Controlled morphology ensures consistent tool performance and predictable wear characteristics.

Bulk Density

Process Compatibility: Optimised for cold pressing, sintering, and electroplating to ensure stable process flow.

Uniform Distribution: Supports even grit dispersion in the bond matrix and improves sintering compactness.

Toughness and Strength

High Crystal Toughness: Suitable for demanding grinding and cutting operations where resistance to fracturing under high loads is required.

Good Impact Resistance: Reduces premature grit breakdown during tool use, extending tool life and improving operational efficiency.

Surface Cleanliness

Low Impurity Content: Each batch undergoes rigorous cleaning processes to remove residual non-diamond materials, improving bonding performance.

Optional Surface Treatments: Surface plating (e.g., nickel, titanium) can be applied to enhance grit retention and thermal resistance, based on customer needs.

Applications Across Various Processing Industries

Crownkyn monocrystalline diamond grit is engineered for a wide range of industrial applications where cutting efficiency, durability, and consistent performance are essential.

Diamond Cutting Tools Manufacturing: Widely used in saw blades, drill bits, and core bits for cutting stone, concrete, ceramics, and composites with high efficiency and wear resistance.

Grinding Tools Production: Applied in grinding wheels, cup wheels, and segments for metal and stone processing, ensuring stable grinding performance and extended tool life.

Wire Saw Beads: Used in diamond wire saw beads for cutting hard and brittle materials like granite, silicon, and sapphire, offering stable cutting speed and reduced breakage.

Electroplated Tools: Ideal for electroplated grinding wheels, files, and dressing tools where strong grit retention and sharp cutting edges are required.

Construction and Geological Tools: Commonly used in PDC cutters and geological drill bits for tough drilling and construction applications, providing high impact resistance and durability.

Choose the Right Monocrystalline Diamond Powder

STEP 1

Define Your Application

Identify the intended use to cutting, grinding, or other material removal processes. Each application requires different levels of crystal toughness, particle shape, and size.

STEP 2

Select the Suitable Grade

Choose the grade that fits your production needs, Sawing sizee for aggressive cutting, wheel size for controlled wear, or customised grade for special tool formulations.

STEP 3

Determine the Correct Mesh Size

Select the appropriate mesh size based on your process and tool design. Coarser sizes suit cutting and rough grinding, while finer grits work better for fine grinding or finishing.

STEP 4

Check Bond System Compatibility

Ensure the powder matches the bonding system of your tool (resin, metal, vitrified, etc.) for stable performance and longevity.

STEP 5

Align with Performance Priorities

Whether it’s cutting speed, grinding efficiency, edge retention, or overall tool durability, select a grit type that meets your specific requirements.

STEP 6

Request Samples for Evaluation

Ensure the diamond grit matches your bond type, such as metal bond, electroplated bond, brazed bond, or sintered bond. Proper compatibility improves grit retention, tool life, and processing stability.

Ensuring Quality and Consistency in Production

At Crownkyn, we understand that consistent quality is essential for your tool manufacturing processes. Each batch of our industrial monocrystalline diamond powder undergoes rigorous testing and quality control to ensure reliable performance and stable supply.

Scanning Electron Microscope (SEM)： SEM analysis inspects crystal shape, surface texture, and particle morphology, ensuring each grit meets application-specific needs for cutting and grinding.

Toughness and Friability Testing： We assess mechanical strength and friability for the right balance between cutting efficiency and grit durability, critical in demanding applications.

Magnetic and Chemical Impurity Analysis ：Impurity analysis detects and controls non-diamond inclusions and metallic contaminants, ensuring high-purity grit for metal bond and sintered tool systems.

Thermal Stability Evaluation： Thermal tests simulate high-temperature conditions like sintering, brazing, and metal bonding, ensuring product integrity during tool production.

Sample Testing and Performance Evaluation

At Crownkyn, you know that tool life, form-holding and surface integrity depend on selecting the right monocrystalline diamond powder. Because single-crystal grains are blocky and high-strength, even small shifts in toughness, particle size distribution or surface purity can change removal rate, Ra/Rz and wheel wear. That is why we recommend structured sample testing in your actual process before any bulk commitment, especially when you run tight tolerances or long production cycles.

Custom Sample Preparation

We supply customised monocrystalline diamond powder samples in selected grit sizes, shapes and toughness levels. Single-crystal, blocky grains are matched to your tool design, bonding system and process window for stable cutting and form holding.

Application-Based Testing

Your samples are tested on your own machines to verify removal rate, edge retention and wheel wear under real loads. We track abrasive behaviour, thermal stability so you can specify the grade with confidence.

Technical Support Service

Our engineers review your data, interpret wear patterns and recommend the right specification, including shape, toughness and optional coatings, for diffrent bonds system. Guidance includes concentration and dressing strategy to optimise consistency.

Performance Feedback Loop

Your feedback drives fine tuning of particle size control, grit toughness and shape uniformity. We document lot to lot stability and maintain a repeatable supply, supporting diamond tool manufacturers, precision finishing suppliers and synthetic diamond powder traders.

Packaging, Safe Handling, and Storage Guidelines

At Crownkyn, we understand that the performance of your diamond tools depends not only on precise grading of monocrystalline diamond grit but also on how it is packaged, handled and stored. Single crystal, blocky grains provide high strength and low friability, yet contamination, moisture, static and segregation can still affect bond behaviour, flow and dosing accuracy. Please follow the guidelines below to protect grading integrity and repeatable performance.

Packaging

Moisture-resistant, anti-static containers
Sealed plastic jars or vacuum foil bags
Reinforced outer cartons for safe transport
Custom packaging available upon request

Handling

Wear gloves and masks to prevent direct contact or dust inhalation
Use clean, dry equipment when dispensing or transferring grit
Handle in a dust-free, temperature-stable workspace

Storage

Keep sealed in original, airtight packaging until use
Store in a dry, cool, and well-ventilated environment
Protect from humidity, direct sunlight, and temperature extremes

Hey, I’m Ashley Wei, the sales engineer of crownkundiamond.com Family-run business.
An expert of Synthetic Diamond Powder specialist.
In the past 26 years, we’ve supported 120+ clients across 35 countries, including diamond tools manufacturers and synthetic diamond powder distributors to significantly enhance their product quality and efficiency.
The purpose of article is to share insights on advanced abrasive solutions, helping you produce higher quality diamond tools with improved performance and durability.