Factory Showcase · Series 01
Featured Tungsten Carbide End Mills & Preformed Blanks
Engineered for extreme wear-resistance, high thermodynamic stability, and aerospace-level tolerances. Explore our high-demand custom tooling configurations ready for global export.
Operational Superiority
China Factory 4.0: Supply Chain Resilience & Metallurgical Integrity
By fully consolidating raw material processing, high-pressure powder compaction, Sinter-HIP densification, and sub-micron centerless grinding under one roof, our facility guarantees zero micro-voids and eliminates downstream batch discrepancies.
In-House Ultrafine Powder Synthesis
We synthesize tungsten carbide powders with controlled grain boundary dispersions ranging from 0.4 µm to 2.0 µm. Proprietary wet ball-milling with precise cobalt binder additives creates consistent plastic phase deformation under intense friction.
Low-Pressure Sinter-HIP Densification
Our 10 MPa overpressure sintering furnaces fuse carbide matrices at 1450°C, collapsing microscopic voids and delivering near-zero porosity (A00, B00, C00). This maximizes Transverse Rupture Strength (TRS ≥ 4000 MPa) to resist chipping in heavy roughing.
CNC Centerless Sub-Micron Grinding
High-speed CNC cylindrical grinding achieves strict ISO h5, h6, and -0.005 mm tolerances. Every batch is validated with laser micrometers for cylindrical runout < 0.002 mm, providing ideal seating and stability on 5-axis Walter and Rollomatic tooling setups.
Application Engineering
Macro Industry Solutions: Engineered for Extreme Working Conditions
Custom size tungsten carbide grades and wear parts developed to maintain dimensional accuracy under high thermal cycles, mechanical stress, and aggressive corrosive environments.
Aerospace & Superalloys
Sub-micron carbide blanks tailored to cut Inconel 718, Titanium Ti-6Al-4V, and carbon composites without edge micro-fracture or thermal galling.
Automotive & EV Powertrain
High-speed slitting discs and high-feed helical coolant drills designed for battery shell deep drawing, motor laminations, and cast aluminum powertrain machining.
Precision Die & Mold Making
Solid end mill blanks and carbide plates handling direct cutting of pre-hardened steels up to 68 HRC, ensuring dimensional fidelity on complex micro cavities.
Heavy Wear & Oil/Gas Flow
Custom erosion-resistant valve trims, carbide choke beans, and rotary burr blanks that outlast standard alloys in abrasive, high-pressure environments.
Metallurgical Specification
Technical Roadmap: Grade Formulation Matrix
Balancing cobalt percentage and grain sizing is essential to tune Transverse Rupture Strength (toughness) against Rockwell Hardness (abrasive life). Review typical manufacturing parameters below.
| Grade Code | Cobalt Content (wt%) | WC Grain Size (µm) | Hardness (HRA / HRC) | TRS (MPa min.) | Density (g/cm³) | Target Workpiece & Application |
|---|---|---|---|---|---|---|
| APX-06U | 6.0% | 0.4 – 0.6 (Ultrafine) | 93.0 HRA / 68 HRC | 3800 | 14.95 | Hardened steel up to 68 HRC, chilled cast iron, high-speed mold finishing |
| APX-10S | 10.0% | 0.6 – 0.8 (Sub-micron) | 92.0 HRA / 55 HRC | 4200 | 14.45 | Universal milling, drilling, titanium alloys, surgical instruments |
| APX-12N | 12.0% | 0.5 – 0.7 (Micro-grain) | 91.5 HRA / 50 HRC | 4400 | 14.20 | Heavy interrupted cuts, stainless steel 316L/304, high-feed step tooling |
| APX-15M | 15.0% | 1.0 – 1.8 (Medium-grain) | 89.0 HRA / 42 HRC | 3500 | 13.90 | Cold heading dies, punching dies, high-impact mechanical seals & wear liners |
Strategic Procurement
Meeting Global Corporate Sourcing Criteria
International industrial buyers require transparent production, dependable lot tracking, and flexible order arrangements. Our export operations are structured around lean manufacturing and full quality traceability.
Low Initial Barrier & Rapid Sampling
We provide pilot runs with an MOQ of just 1 piece for custom rods, preformed blanks, and custom end mills, allowing engineering validation on grinding benches before commercial release.
Reliable 7 to 25-Day Delivery Timelines
Standard unground and ground blanks are supported by regional buffer stocks. Custom drawing-based orders, step profiles, and internal cooling designs clear production within 7 to 25 business days.
Full Batch Traceability & OEM Labeling
Each shipment includes complete physical test sheets (TRS, density, coercivity, magnetic saturation). Laser marking, barcode tracking, and neutral custom packaging protect brand identity for private-label tool suppliers.
Compliance & Governance
Localized Global Support & Compliance Standards
International cross-border manufacturing requires technical clarity, conflict-free raw material assurances, and reliable trade management across all major markets.
Multilingual Engineering Support
Our application engineers support inquiries in English and Chinese, reviewing CAD drawings (DXF, STEP, IGES), evaluating geometry, and recommending suitable carbide substrates directly to your tool designers.
Conflict-Free Material Ethics & ESG
We source ammonium paratungstate (APT) exclusively from compliant domestic mines following OECD Due Diligence Guidelines. Processes strictly uphold ISO 9001, ISO 14001, and RoHS compliance across all product streams.
Worldwide Logistics & Door-to-Door DDP
We provide clear Incoterms (FOB, CIF, DDP, DAP) supported by air express (DHL/FedEx/UPS) and multimodal sea logistics, complete with pre-cleared customs paperwork, material test reports, and Certificate of Origin (COO).
Factory Showcase · Series 02
Custom Sized Rods, Burrs, Cutters & Coolant Profiles
Precision-sintered components designed for direct production of high-performance cutting tools, rotary burrs, slitting machinery, and specialized wear parts.
Technical Inquiries & Answers
Frequently Asked Questions for Sourcing Directors
Key metallurgical clarifications, customization parameters, and supply chain timelines answered by our metallurgical engineering desk.
What sets Sinter-HIP apart from standard vacuum sintering?
Standard vacuum sintering relies purely on thermal diffusion, which can leave trace internal microporosity. Our Sinter-HIP process injects up to 10 MPa of high-purity argon at sintering temperature. This isostatic pressure collapses internal micro-voids, elevating Transverse Rupture Strength (TRS) by 15–20% and eliminating hidden defects during high-precision tool grinding.
What geometric tolerances can your centerless grinding facility achieve?
We supply carbide rods either as sintered unground blanks (+0.3/+0.8 mm) or centerless ground to international ISO h6, h5, and -0.005 mm standards. Circular runout is held within 0.002 mm, and total length variance can be held to ±0.2 mm, complete with custom Weldon flats and chamfered tips ready for CNC tool manufacturing.
What are the typical lead times for custom size carbide prototypes versus volume production?
For custom size rod blanks, custom coolant holes, or drawing-based preforms, sample tooling takes 5–7 working days. Commercial batch production (1,000 to 50,000 units) delivers within 15–25 working days. Emergency replenishments for standard dimensions ship within 48 hours from our central inventory.
Can you manufacture carbide rods with dual helical coolant channels?
Yes. We produce helical coolant rods with 30° and 40° helix pitch angles, with diameters ranging from Ø3.0 mm to Ø32.0 mm. Specialized extrusion dies ensure smooth pitch consistency and concentric cooling holes, preventing coolant blockages during high-pressure deep hole drilling.
Which physical inspection data is provided with each production lot?
Every commercial batch comes with an official Certificate of Analysis (CoA) documenting: density (Archimedes method), hardness (HRA), Transverse Rupture Strength (TRS), cobalt saturation, and coercivity (Hc). Metallographic grain images are provided upon request.
What is your minimum order quantity (MOQ) policy for specialized OEM tool profiles?
We support toolmaker R&D with an MOQ of 1 piece for prototypes. For volume supply contracts, orders scale into monthly blankets, providing stable material pricing against market fluctuations in ammonium paratungstate (APT).