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  6. RO spiral tube

RO spiral tube

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last updated:Feb 16, 2026

西日本セフティデンキ
西日本セフティデンキ
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Ideal for the crossing lines between tracks and the curved sections of bundled wires! Highly flexible RO spiral tube!

The "RO Spiral Tube" can simultaneously bundle and protect electrical wires, allowing for flexible branching. It offers enhanced flexibility that surpasses traditional spirals, achieving even higher quality at a lower price. It is ideal for wiring between panels and for curved sections of bundled wires. 【Features】 ■ RoHS 2 compliant ■ Simultaneously protects and bundles electrical wires ■ High flexibility ■ High quality at a low price ■ Improved work efficiency *For more details, please refer to the catalog or feel free to contact us.

    Wiring materials
den02_01.jpg

RO spiral tube

den02_01.jpg
den02_01.jpg RO_7小.jpg RO5N(2)小.jpg
  • Related Link - https://nishinihon-sd.co.jp/protection/#ro
  • Special site - Product/service details - https://pr.mono.ipros.com/nishinihon-sd/product/

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basic information

【Specifications】 ■Material: PE (Polyethylene) ■Operating Temperature: -30℃ to +60℃ ■Color: Model number ending in N (Natural color) / Model number ending in B (Weather-resistant black) ■Bundling Range (Φmm): 2.6 to 75 (depending on various sizes) *For more details, please refer to the catalog or feel free to contact us.

Price range

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※Our company's regular stock products.

Applications/Examples of results

For more details, please refer to the catalog or feel free to contact us.

Detailed information

  • ROサブ2.jpg

    [Drawing]

  • RO5N(2)小.jpg

    Usage image (natural color)

  • RO_7小.jpg

    Usage image (weather-resistant black)

Line up(20)

Model number overview
RO-2.6N ■D Inner diameter (mm): 2.6 ■t Outer diameter (mm): 0.5 ■P Pitch (mm): 6.0 ■Bundle wire range (mm): 2.6~8.0
RO-4N ■D Inner diameter (mm): 4.0 ■t Outer diameter (mm): 0.6 ■P Pitch (mm): 10.0 ■Bundle wire range (mm): 4.0~12.0
RO-6N ■D Inner diameter (mm): 6.0 ■t Outer diameter (mm): 0.7 ■P Pitch (mm): 10.0 ■Bundle wire range (mm): 6.0~18.0
RO-8N ■D Inner diameter (mm): 8.0 ■t Outer diameter (mm): 0.8 ■P Pitch (mm): 13.0 ■Bundle wire range (mm): 8.0~25.0
RO-9N ■D Inner diameter (mm): 9.0 ■t Outer diameter (mm): 0.9 ■P Pitch (mm): 13.0 ■Bundle wire range (mm): 9.0~27.0
RO-10N ■D Inner diameter (mm): 10.0 ■t Outer diameter (mm): 0.9 ■P Pitch (mm): 13.0 ■Bundle wire range (mm): 10.0~30.0
RO-12N ■D Inner diameter (mm): 12.0 ■t Outer diameter (mm): 1.0 ■P Pitch (mm): 16.0 ■Bundle wire range (mm): 12.0~35.0
RO-15N ■D Inner diameter (mm): 15.0 ■t Outer diameter (mm): 1.1 ■P Pitch (mm): 20.0 ■Bundle wire range (mm): 15.0~45.0
RO-20N ■D Inner diameter (mm): 20.0 ■t Outer diameter (mm): 1.4 ■P Pitch (mm): 23.0 ■Bundle wire range (mm): 20.0~60.0
RO-25N ■D Inner diameter (mm): 25.0 ■t Outer diameter (mm): 1.4 ■P Pitch (mm): 28.0 ■Bundle wire range (mm): 25.0~75.0
RO-2.6B ■D Inner diameter (mm): 2.6 ■t Outer diameter (mm): 0.5 ■P Pitch (mm): 6.0 ■Bundle wire range (mm): 2.6~8.0
RO-4B ■D Inner diameter (mm): 4.0 ■t Outer diameter (mm): 0.6 ■P Pitch (mm): 10.0 ■Bundle wire range (mm): 4.0~12.0
RO-6B ■D Inner diameter (mm): 6.0 ■t Outer diameter (mm): 0.7 ■P Pitch (mm): 10.0 ■Bundle wire range (mm): 6.0~18.0
RO-8B ■D Inner diameter (mm): 8.0 ■t Outer diameter (mm): 0.8 ■P Pitch (mm): 13.0 ■Bundle wire range (mm): 8.0~25.0
RO-9B ■D Inner diameter (mm): 9.0 ■t Outer diameter (mm): 0.9 ■P Pitch (mm): 13.0 ■Bundle wire range (mm): 9.0~27.0
RO-10B ■D Inner diameter (mm): 10.0 ■t Outer diameter (mm): 0.9 ■P Pitch (mm): 13.0 ■Bundle wire range (mm): 10.0~30.0
RO-12B ■D Inner diameter (mm): 12.0 ■t Outer diameter (mm): 1.0 ■P Pitch (mm): 16.0 ■Bundle wire range (mm): 12.0~35.0
RO-15B ■D Inner diameter (mm): 15.0 ■t Outer diameter (mm): 1.1 ■P Pitch (mm): 20.0 ■Bundle wire range (mm): 15.0~45.0
RO-20B ■D Inner diameter (mm): 20.0 ■t Outer diameter (mm): 1.4 ■P Pitch (mm): 23.0 ■Bundle wire range (mm): 20.0~60.0
RO-25B ■D Inner diameter (mm): 25.0 ■t Outer diameter (mm): 1.4 ■P Pitch (mm): 28.0 ■Bundle wire range (mm): 25.0~75.0

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Company information

西日本セフティデンキ

西日本セフティデンキ

Machine elements and parts

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Nishinihon Safety Electric Co., Ltd. is a company that mainly deals with various products such as marking tubes, wire protection materials, and sign and label products. Among these, we also engage in manufacturing activities for various marking tubes and wire protection materials as our own products. If you are looking for something, please feel free to consult with us.

Product/Service List (11)

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