Features
Why Choose KinKuo?
10-Year R&D Excellence
Founded in 2010, Kinkuo has a decade-long track record of innovative connector and cable design for industrial automation and high-end applications.
Wide-Ranging Expertise
Core portfolio spans double-shielded signal cables, 10-million-cycle drag-chain cables, industrial camera & network harnesses, oil-resistant assemblies, and complete SCSI/VHDCI/D-SUB/USB 3.0 connector lines.
Global Brand Trust
Long-term preferred supplier to renowned customers across Japan, Taiwan, Europe, the Americas, and Mainland China, attesting to consistent quality and reliability.
Tier-1 Supply Chain Access
Authorized distributor of Amphenol’s latest high-speed interconnect portfolio (SFP, QSFP-DD, OSFP, SlimSAS, Gen-Z, etc.), enabling turnkey, future-proof solutions.
We Have The Best Solutions for Your Business
1. Cable Ass'y products: double shielded signal control Cables (SCSI, VHDCI, D-SUB, USB, LFH, SDR), Ten million times drag chain line, industrial camera wiring harness, industrial network cable, mechanical equipment oil resistant wiring harness, customized various specifications Cable research and development, assembly.
2. Connector products: SCSI, VHDCI, D-SUB, LFH, USB 3.0, servo motor peripheral series connectors.
3. Brand agent: Amphenol (SFP, SFP28, QSFP, QSFP28, QSFP-DD, OSFP, CFP2, CFP4, MiniSAS HD, SlimSAS, PCIeSAS, Oculink, MCIO, Gen-Z)
Attentive service, perfect quality!
In my 15 years in industrial automation and connectivity, I’ve learned that the most expensive component in any system is the one that fails. It's rarely the multi-million-dollar robot or the sophisticated PLC; more often than not, it’s a small, overlooked part like a connector that brings production to its knees. This is why I have such a profound respect for the humble, yet incredibly vital, industrial circular connector. It is the unseen guardian of uptime, the silent hero that stands firm against the daily abuse of the factory floor. We've dedicated ourselves since 2010 to perfecting this critical component, because we understand what's truly at stake.
The beauty of a well-made circular connector lies in its purpose-built design. Unlike simple rectangular connectors, its threaded coupling provides a full 360 degrees of locking force, making it inherently resistant to the constant vibration from machinery and the shock from accidental impacts. When you hear that satisfying 'click' and feel the coupling nut seat firmly, you have a connection you can trust. This mechanical stability is the first line of defense against the intermittent signal loss that can cause phantom faults and drive maintenance technicians crazy trying to diagnose them.
Furthermore, the modern industrial environment is often a wet and dirty place. Whether it's from washdown procedures in a food processing plant or exposure to cutting fluids in a CNC machine shop, moisture and particulates are the enemies of electrical circuits. A properly sealed, IP67 or IP68 rated circular connector is more than just a convenience; it's an operational necessity. The O-ring seals and precision-machined interfaces create an impassable barrier, ensuring that the pristine electrical contacts within remain clean and dry. This level of protection is what separates a truly industrial-grade connector from a commercial one.
Ultimately, specifying the right circular connector is an investment in the long-term health of your entire system. It’s about choosing a component engineered not just to work, but to endure. It requires a deep understanding of materials, from the nickel-plated brass of the shell to the gold-plated copper alloy of the contacts. It's this commitment to robust engineering and quality materials that ensures a connection made today will be just as reliable thousands of operating hours from now. That’s not just good engineering; it’s peace of mind.
Featured Products
Collection about KinKuo
KinKuo Servo Connector – Mini D Ribbon MDR 1.27 mm Pitch
KinKuo Servo Connector MDR series offers 14–100 contacts, 500V, RoHS2.0 compliance—perfect for Servo Connector cable assemblies.
KinKuo VHDCI Connector SDR 0.8 mm 26-pin High-Speed Solution
KinKuo VHDCI Connector SDR offers 0.8 mm pitch, 26 contacts, 350 V isolation—ideal for VHDCI Connector cable assemblies in tight spaces.
KinKuo SCSI Connector MDR 1.27 mm 14-100 Pin High-Density
KinKuo SCSI Connector MDR series delivers 1 A, 500 V, 500 MΩ, –55 °C~+105 °C—perfect SCSI Connector for high-density cable assemblies.
KinKuo LFH Connector 1.27 mm 59–200 Pin Low-Force Helix
KinKuo LFH Connector delivers 1 A, 500 V, <10 mΩ, low 60 g mating force—ideal LFH Connector for medical & industrial boards.
User Reviews
What users say about KinKuo
Frequently Asked Question
Do you have any question?
Yes, a key capability of a specialized manufacturer is providing a custom circular connector solution. This can involve creating custom pinouts, integrating specific cable types for high-flex or chemical resistance, designing unique overmolds, or creating hybrid connectors that combine power and signal contacts to meet the precise demands of a unique piece of equipment.
To choose the right circular connector, you must consider the number of pins required, the voltage and current ratings, the necessary IP rating for environmental protection, the physical size (e.g., M12 or M8), and whether you need specific keying or "coding" (like A-code, B-code, D-code, or X-code for M12s) to prevent incorrect mating with other nearby connectors.
A metal shell is often preferred for an industrial circular connector because it provides superior durability, impact resistance, and 360-degree EMI/RFI shielding. This shielding is critical in electrically noisy environments to protect the integrity of the data and signal lines passing through the connector, preventing interference from corrupting the transmission.
The main difference between an M12 and M8 circular connector is their physical size, indicated by the metric threading of the coupling nut (12mm and 8mm, respectively). M12 connectors are larger, more robust, and can accommodate more pins and higher currents, making them a standard for industrial sensors and fieldbus systems. M8 connectors are more compact, making them ideal for smaller sensors and space-constrained applications.
An IP (Ingress Protection) rating indicates the level of sealing a circular connector has against intrusion from foreign objects and moisture. An IP67 rating, for example, means the connector is completely dust-tight and can be submerged in up to one meter of water for 30 minutes without any leakage, making it ideal for washdown environments.
In industrial settings, a circular connector is primarily used to provide a highly reliable and environmentally sealed connection for sensors, actuators, servo motors, and other control system components. Their round shape and threaded coupling mechanism make them inherently robust and resistant to vibration and shock, which is essential on the factory floor.
Our updates and blog posts
Servo Connector Mastery: How KinKuo’s Servo Connector Range Eliminates Downtime and Future-Proofs Motion Systems
Explore KinKuo Servo Connector solutions—IP67, 10 M flex, same-day ship. Cut downtime and future-proof motion systems today.
VHDCI Connector Deep Dive: How KinKuo’s VHDCI Connector Range Delivers 68-Pin Density with Zero Signal Loss
Explore KinKuo VHDCI Connector solutions—0.8 mm pitch, 500 V, RoHS. Cut space and boost speed with proven VHDCI Connector today.
SCSl Connector Deep-Dive: How KinKuo’s SCSl Connector Portfolio Delivers 68-Pin Density with Industrial-Grade Reliability
Explore KinKuo VHDCI Connector solutions—0.8 mm pitch, 500 V, RoHS. Cut space and boost speed with proven VHDCI Connector today.