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SMA Fiber Optic Connector with Hex or Knurled Nut
The SMA fiber optic connector with hex or knurled nut is a threaded metal termination component for building industrial, laser and sensor fiber jumpers with a secure, tool-tight or hand-tight joint.
Product Overview
Using SMA-style threaded geometry and a metal ferrule, the kit is offered with hex-nut or knurled-nut variants, so cable makers can match the locking method to the assembly and tooling. It is part of our connector module range.
Photographed variants show connector, ferrule and boot options; treat them as configuration references, not a fixed single part number.
Key Features
- SMA-style threaded connector geometry
- Metal ferrule connector kit
- Hex-nut or knurled-nut locking options
- Component format for cable termination
- Configuration-dependent strain relief
- Suited to industrial and laser systems
Technical Specifications
| Parameter | Value | Notes |
|---|---|---|
| Coupling | SMA threaded | metal lock |
| Ferrule | Metal | large core |
| Nut | Hex or knurled | selectable |
| Kit | Body, ferrule, nut, boot | component |
| Application | Termination / repair | patch cord build |
| Retention | Threaded | tool or hand tight |
Applications
- Factory cable termination
- Field and workshop repair
- OEM patch-cord production
- Laser and instrumentation links
- Industrial sensor systems
Performance & Reliability
Coupling performance is governed by dimensional fit, fiber preparation, ferrule alignment, end-face quality, retention and strain relief. The threaded metal lock holds alignment firmly; contamination or an unmatched receptacle can raise loss.
Customization & Ordering
Confirm fiber diameter, polishing/cleaving method, crimp or adhesive process, mating receptacle, nut style and required tools before ordering. All assemblies are terminated, end-face inspected and individually tested before dispatch. Send your drawing, connector pair, fiber type and target volume, and our engineers will return a configuration, sample plan and lead time. Contact our sales team for OEM/ODM support.
FAQ
Q: Hex nut or knurled nut – which?
A: Hex nuts suit tool-tight, vibration-prone installs; knurled nuts allow quick hand-tight service. Choose by your mounting.
Q: What fibers use SMA?
A: SMA metal ferrules are common with large-core glass, PCF/HPCF and industrial fibers.
Q: Do you supply finished SMA cables?
A: Yes, we build SMA patch cords and hybrid assemblies.
Why Choose Us
Use with the SMA adapter and our ST/BFOC connectors. See FAQs.


