1.8mm Stainless Steel Fiber Optic Conduit
SSF-18
Product Overview
1.8mm Stainless Steel Fiber Optic Conduit
Fragile fiber optic and sensor cables lose signal when a protective conduit crushes or goes out-of-round through a bend. The SSF-18 is roll-formed from SUS304 stainless steel strip in a squarelocked interlock — just 1.8mm inner diameter, with a tight wall that bends smoothly and holds its roundness for dependable fine-cable protection.
Its 1.8mm inner diameter and 2.8mm outer diameter match the industry-standard size for fiber optics, with a 50mm minimum bend radius for routing in tight spaces. It protects fine fiber optic and sensor cables in semiconductor equipment, telecom cabinets and automation lines; end connectors can be machined to order for quick equipment interfacing.
Key Features
- SUS304 Stainless Steel: lasting corrosion resistance and stable mechanical performance for precision equipment
- Squarelocked Interlock: tight single-lock forming that bends smoothly and holds roundness
- 1.8mm ID / 2.8mm OD: industry-standard fiber optic size for fine fiber and signal cables
- 50mm Min. Bend Radius: routes smoothly through tight spaces without crushing the line
- Machined End Connector (optional): threaded connectors made to order for quick equipment interfacing
| Specification | Value |
|---|---|
| Material | SUS304 Stainless Steel |
| Construction | Squarelocked (Single-lock) |
| Inner Diameter (I.D.) | 1.8 mm |
| Outer Diameter (O.D.) | 2.8 mm |
| Min. Bend Radius | 50 mm |
| End Termination | Machined Metal Connector (Optional) |
| Application | Fiber Optic / Precision Signal Cable Protection |
Engineering Drawing
Applications
Semiconductor Equipment
Fine fiber and sensor signal lines inside process equipment need a conduit that resists corrosion and stays round through bends — SUS304 delivers stable long-term service.
Telecom Cabinets
With fiber patch cords densely routed inside cabinets, the 50mm minimum bend radius keeps corners smooth and lowers the risk of fiber crush and signal loss.
Automation Lines
Protects moving cables and precision signal lines on automation equipment; the squarelocked wall bends smoothly and machined end connectors interface quickly.
FAQ
Q1｜How is a squarelocked conduit different from a plain spiral conduit?
Squarelocking interlocks the stainless steel strip along square-formed edges, giving a tighter wall than a plain spiral wrap. It holds roundness through bends and resists deformation, which suits precision equipment and fiber optic routing where accuracy and appearance matter.
Q2｜The inner diameter is only 1.8mm — what cables does it protect?
The 1.8mm ID / 2.8mm OD is a standard fine size for fiber optics, suited to single-core fiber, fiber patch cords and thin signal cables. If your cable diameter differs, please confirm the size before selection so the fit is neither too tight for pulling nor too loose to protect.
Q3｜Are the end connectors standard or optional? What can be machined?
End connectors are optional and can be machined to match your equipment interface — thread type and size made to order for quick connection. Share your interface details and our team will advise the feasible connector specs and quote.
Q4｜Where does SUS304 have an advantage?
SUS304 stainless steel offers good corrosion resistance and mechanical strength with stable long-term performance, suiting semiconductor and telecom environments that demand cleanliness and reliability. For strong acid/alkali or special corrosive conditions, contact our team to assess a higher-grade material.
Q5｜What does a 50mm minimum bend radius mean for routing?
It is the smallest radius the conduit can bend to without damaging the inner cable or the wall structure. Keep corners at 50mm or larger during routing to avoid over-bending, which can crush the fiber, deform the wall or shorten service life.
Features
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Specifications
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