Uking Diamond’s ultra-tough mining PDC cutters utilize a structurally optimized structural combination that transforms linear impact forces into manageable shear stress. This delivers long tool life, high Rate of Penetration (ROP), and predictable wear profiles across volatile geological and mining operations:

Coal Mining & Roof Bolting: Provides ultra-stable, micro-chipping resistant cutting edges for continuous roof bolting bits and rotary drilling in dense coal measures.

Blast-Hole Drilling: Extends footage through highly abrasive sandstone, shale, and limestone strata without thermal edge degradation.

Tunneling & TBM Disc Inserts: Absorbs extreme cyclic shock and heavy impact loads during continuous granite, quartz, and mixed-face geotechnical tunneling.

Down-The-Hole (DTH) & Geothermal Drilling: Replaces fragile tungsten carbide inserts in volatile environments, drastically reducing bit-pulling frequency and total drilling costs per foot.

Product Categorization & Specs

Standard Manufacturing Parameters)

• Sintering Technology: Ultra-High Pressure High-Temperature (HPHT) processing, managing precise temperature gradients to eliminate micro-cracks.
• Interface Architecture: Advanced 3D Non-Planar Wave Interface that redistributes radial shear stress, amplifying the mechanical bond strength by up to 45%.
• Standard Sizing Matrix: Available in standard industry diameters: 10mm, 13mm, 16mm, and 19mm (including standard flat configurations and tailored shaped buttons).

Product Details

1. The Science of the 3D Non-Planar Wave Interface

The most common disaster for a mining drill bit is matrix delamination—where the diamond layer delaminates or strips off from the tungsten carbide base due to severe rock impact. Uking Diamond completely neutralizes this risk.

Our mining PDC cutters feature a patented 3D non-planar wave interface structural combination between the polycrystalline diamond layer and the hard alloy substrate. This advanced geometric transition increases the interfacial binding surface area, dampens lateral vibration stress, and prevents catastrophic layer peeling when your drill bit slams into unexpected hard rock inclusions.

2. Advanced Performance Test Lab Validation

Every single production batch of Uking’s mining PDC cutters undergoes strict quality verification inside the most advanced PCD performance test lab in China. We do not guess quality—we measure it.

Our technical group subjects the cutters to rigorous continuous drop-weight impact profiling (TI/TTI verification) and severe vertical turret lathe (VTL) granite scraping tests. This ensures that every cutter delivered to your factory possesses high wear resistance and uniform diamond particle distribution, maximizing your continuous footage before the next maintenance cycle.

Key Value Propositions

Superior Edge Retention: The fine-tuned synthetic diamond micro-grain matrix delivers exceptional sharpness, preventing edge rounding and maintaining optimal ROP in hard rock.

Elimination of Catastrophic Delamination: The cross-linked non-planar interface ensures 100% mechanical binding integrity, protecting your bits from sudden Down-The-Hole failure.

High Structural Stability Under Thermal Shock: Optimized thermal stability limits allow the cutters to endure the rapid heating and cooling cycles common in dry or water-flushed mining environments.

Perfect Drop-in Standard Specifications: Fully compatible with international standard mining tooling dimensions, ensuring seamless assembly into your existing coal bit or roof bolt production lines.

Are your mining bits losing ROP or suffering from premature cutter delamination in tough geological formations?

Don’t compromise your production throughput with unverified, generic diamond inserts that increase downtime and drive up total cost-per-foot. Backed by 20 years of superhard material metallurgical expertise in Henan, China, Uking Diamond delivers field-proven mining PDC cutters validated under ruthless laboratory stress testing.

Because high-grade mining PDC cutters represent a premium engineering investment, we do not distribute unchecked free samples. We focus entirely on high-efficiency commercial evaluation.

Unlock your factory-direct testing advantage today. Contact our global sales squad with your standard cutter specifications (10mm, 13mm, or 16mm) and your target rock formation profile (e.g., abrasive coal measures or granite tunneling). We will immediately issue our Corporate Validation Pass: secure a dedicated evaluation trial batch of our advanced high-impact standard cutters at direct factory wholesale cost, with 100% of the sample cost fully credited back to your balance upon your first bulk commercial order.

Traditional roller cone bits break rocks through primitive crushing, which consumes immense energy and limits Rate of Penetration (ROP). Uking’s premium Oil & Gas PDC cutters revolutionize drilling dynamics by utilizing a highly efficient shearing and scraping action, achieving superior rock destruction metrics across volatile geological formations:

Soft to Medium Strata: Facilitates aggressive cutting edge exposure, enabling maximum ROP and ultra-smooth continuous chip evacuation.

Hard & Highly Abrasive Formations : Deploys high-density diamond matrix grids that withstand brutal friction without catastrophic thermal wear.

Complex Interceded Formations: Perfectly absorbs volatile cyclic loading and impact spikes when transitioning between varying rock hardness zones, preventing cutter micro-chipping.

Product Categorization & Technical Specs

Standard Configurations)

• Manufacturing Process: High-Pressure High-Temperature (HPHT) synthesis utilizing China’s most advanced cubical press technology.
• Substrate Bond Interface: Patented Serrated Non-Planar Interface (NPI) designed to redistribute radial residual stress and amplify shear bond strength by 40%.
• Standard Outer Diameters : 13mm, 16mm, 19mm (Custom dimensions, tailored heights, and non-planar face inserts available on demand).

Product Engineering

1. The Science of the Serrated Substrate Interface

The fatal vulnerability of generic PDC cutters is delamination—where the diamond layer shears off from the tungsten carbide base due to extreme residual stress during cooling. Uking Diamond eliminates this failure vector.

Our cutters utilize a highly engineered serrated structural combination between the polycrystalline diamond layer and the hard alloy substrate. This non-planar pattern dramatically increases the binding surface area, absorbs localized impact spikes, and guarantees exceptional structural stability during heavy-duty directional or interrupted drilling.

2. Advanced Performance Test Lab & Deep-Well Thermal Immunity

Uking Diamond operates the most advanced PCD performance test lab in China, dedicated explicitly to R&D for the Oil & Gas drilling and mining industries. Our testing protocol includes rigorous impact drop-tests, continuous vertical turret lathe (VTL) wear profiling, and non-destructive ultrasonic C-scan imaging to verify 100% internal binding integrity.

To conquer the extreme downhole temperatures >750℃ generated by dry friction in deep wells, our high-performance cutters undergo an advanced chemical leaching process to remove thermal-expanding residual cobalt from the critical cutting tip zone. This creates a cobalt-free diamond shell that preserves diamond lattices, delays thermal graphitization, and keeps your drill bit running longer without premature pulling runs.

Key Value Propositions

• Unrivaled Wear & Impact Synergy: Delivers the industry’s finest balance between micro-hardness and impact toughness (TI/TTI), ensuring continuous ROP without cutter cracking.
• Patented Stress-Relieved Bonding: The cross-linked serrated geometry completely eliminates catastrophic delamination at the diamond-carbide interface.
• Superior Thermal Stability: Advanced acid-leaching technology safeguards the cutting edge from thermal degradation under extreme dry friction.
• Tailored Geometric Customization: Fully capable of designing customized inserts, specialized shaped cutters (ridge, spherical, conical), and custom profiles matching your proprietary bit body layouts.

Ready to Benchmark Your Bit Footage Against Premium Industry Standards? Apply for an Engineering Validation Pass.

At Uking Diamond, we support global drilling exploration with 20 years of high-pressure high-temperature (HPHT) metallurgical authority. Because premium-grade Oil & Gas PDC cutters are high-capital production assets, we do not distribute unchecked free samples. We treat downstream field validation with the absolute technical rigor your operation demands.

Don’t let unstable cutter wear compromise your Rate of Penetration (ROP). Contact our engineering desk today with your target formation profiles (e.g., highly abrasive sandstone or interbedded hard rock) and standard cutter specifications (13mm, 16mm, or 19mm). We will instantly unlock our Corporate Validation Pass: obtain a dedicated trial batch of our advanced non-planar interface or acid-leached standard cutters at direct factory wholesale cost, with 100% of the evaluation sample fee fully credited back to your account upon your first bulk commercial order.

Parameters

Picture	Model	Diameter(±0.03)(mm)	Height(±0.05)(mm)	Diamond layer thickness(±0.2)(mm)
	1304	13.30	4.5	1.5
	1308	13.44	8.0	2.1
	1313	13.44	13.20	2.1
	1608	16.00/15.88	8.00	2.1
	1610	16.00/15.88	10.00	2.1
	1613	16.00/15.88	13.20	2.1
	1913	19.05	13.20	2.1
	1916	19.05	16.00	2.1

Uking Diamond’s ultra-dense Polycrystalline Diamond (PCD) tool blanks provide optimized cutting vectors for extreme continuous machining, heavily adopted in global supply chains for:

High-Silicon Aluminum Alloys: Critical automotive engine blocks, pistons, and aerospace turbine housings (e.g., Al-Si grades with >12% Si content).

Advanced Composites: Clean, burr-free milling of Carbon Fiber Reinforced Plastics (CFRP), Glass Fiber Composites (GFRP), and honeycombs.

Abrasive Woodworking: High-speed profiling of MDF, HDF, particle boards, and laminated hardwood without edge chipping.

Non-Metallics & Ceramics: Machining of green ceramics, graphite electrodes, sintered plastics, and abrasive rubber compound components.

Technical Specifications & Grain Selection

Geometric Configurations

Material Architecture: Polycrystalline Diamond Layer permanently bonded to a rigid Tungsten Carbide (WC) support substrate.

Available Outer Diameters: Ø10 mm up to Ø65 mm (Standard stock includes Ø50mm, Ø60mm, and laser pre-cuts).

PCD Layer Depth Options : 0.2mm, 0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm (Fully customizable).

Pre-Cut Geometries: Triangles, rectangles, squares, semi-circles, pentagons, and complex tailored profiles via EDM/Laser.

Product Details

1. Ultra-Dense HPHT Sintering Grid & Zero Delamination

Generic PCD blanks often suffer from premature layer delamination (the diamond separating from the carbide base) during laser-cutting or intense interrupted cutting shocks. At Uking Diamond, our blanks are processed under multi-gigapascal Ultra-High Pressure and High Temperature (HPHT) environments.

Through precise cobalt-solvent catalyst infiltration control, we achieve an absolute chemical-metallurgical bond at the interface. The diamond-to-diamond (D−D bonding) mesh grid combined with the carbide support layer guarantees excellent impact resistance, eliminating structural delamination even under high-feed continuous tooling lines.

2. Advanced Micro-Morphology for Extended Tool Lifespan

Our proprietary diamond particle grading tech eliminates uneven catalyst pooling inside the PCD matrix. This translates to an ultra-homogeneous layer featuring excellent thermal conductivity (∼500–1000 W/m⋅K).

When running high-speed CNC machinery, heat is rapidly evacuated from the critical cutting tip zone, preventing thermal graphitization of the diamond. Your factory gets stable edge retention, zero burrs on workpiece surfaces, and a massive reduction in tool change frequency compared to traditional carbide or HSS tooling.

Key Features

Flawless Cutting Edge Integrity: Superior micro-structural homogeneity allows tool manufacturers to achieve razor-sharp cutting profiles via laser or wire-EDM without micro-chipping.

Unmatched Thermal Graphitization Resistance: Superior heat dissipation capacity preserves the diamond lattice structure even under intense operational limits, enabling aggressive cutting speeds.

Highly Configurable Substrate Depth: Tailored combinations of carbide backing thickness and PCD depth to withstand specific vibration frequencies in automated milling centers.

Rigorous Non-Destructive Ultrasonic C-Scan Inspection: Every single disc is mapped via ultrasonic C-scan to ensure 100% internal bonding consistency before shipping.

Ready to Eliminate Premature Tool Failure? Secure Your Risk-Free Test Sample Today!

At Uking Diamond, we back our multi-modal sintering technology and nano-mirror finishing with 20 years of global engineering authority. We don’t expect you to take our word for it—we want you to experience the performance leap on your own production line, 100% risk-free.

Send us your engineering drawings (PDF/.DXF/.STEP) and machine parameters right now. Our technical team will review your geometric tolerances and allocate a Free Tailored Sample Batch matching your exact tensile strength and processing speed requirements.