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