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  6. Square column (20t supporting unit-type support structure)

Square column (20t supporting unit-type support structure)

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last updated:Apr 03, 2026

中央ビルト工業
中央ビルト工業
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[Sales/Lease] Square columns are unit-type supports with a permissible load of 20 tons. They can be freely adjusted in height and are suitable for a wide range of sites.

The square column is a unit-type support structure with a permissible load of 20 tons. The built square column has a long history of over 40 years since its development and has a proven track record of use in a wide range of sites, from local general contractors to major general contractors, making it a reliable and safe long-selling product. The square column has a large permissible load of 196 kN (20 tons), allowing for a wider working space compared to conventional support structures, and it can accommodate various heights through six different size combinations ranging from 200 mm to 3000 mm. By using φ42.7 pipes as the main material, it has achieved approximately 30% weight reduction compared to traditional square columns. The square column can be used more easily compared to H-beams (raw materials or retaining materials), significantly improving workability. ■ Features - Height adjustment is freely possible by simply joining with M16 bolts. - The permissible load is 196 kN (20 tons), which is larger than that of conventional support structures. - It can be used more easily compared to H-beams (raw materials or retaining materials). - A reliable and safe long-selling product with over 40 years of history. - Achieved approximately 30% weight reduction compared to traditional square columns. *For more details, please refer to the PDF materials or feel free to contact us.

    Scaffolding and Support MaterialsEarth retaining supportCivil Engineering Method
軽量四角支柱002.jpg

Square column (20t supporting unit-type support structure)

軽量四角支柱002.jpg
軽量四角支柱002.jpg 四角支柱010.jpg 四角支柱.png DSCF0033.JPG DSCF0041.JPG DSCF0050.JPG dc123016.jpg dc123007.jpg 四角支柱008.jpg
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basic information

【Specifications (Excerpt)】 <Square Column Unit Post SSL-300> ■Usage Height: 3000mm ■Weight: 41.8kg ■Column Material: JIS G3444 (General Structural Carbon Steel Pipe) STK-500, φ42.7×2.4 <Square Column Unit Post SSL-225> ■Usage Height: 2250mm ■Weight: 33.5kg ■Column Material: JIS G3444 (General Structural Carbon Steel Pipe) STK-500, φ42.7×2.4 <Square Column Jack SSJL-55> ■Usage Height: 260–550mm ■Weight: 20.8kg *Note: Do not pull the jack <Square Column Beam Support Bracket SSUL-31> ■Weight: 7.0kg *For more details, please refer to the PDF document or feel free to contact us.

Price range

Please contact us for details

Delivery Time

P1

※Available for immediate delivery! We can accommodate orders starting from one piece! Please feel free to contact us.

Applications/Examples of results

■Applications Construction = Temporary support for S beams or PC beams / Support for multi-trusses / Shoring in demolition work Civil Engineering = Support for general road-type openings in bridge construction Others = Simple scaffolding, temporary support for machinery, etc. *For more details, please refer to the PDF document or feel free to contact us.

Detailed information

  • 四角支柱007.jpg

    200mm for fine adjustments It has become usable in a wider range of settings.

  • 四角支柱009.jpg

    Jack

catalog(3)

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20t Supporting Unit Type Support Frame "Lightweight Square Column" [Specifications]

20t Supporting Unit Type Support Frame "Lightweight Square Column" [Specifications]

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20t Supporting Unit Type Support Frame "Lightweight Square Column" [User Manual]

20t Supporting Unit Type Support Frame "Lightweight Square Column" [User Manual]

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Unit-type support structure "Lightweight Square Column" [Allowable Load 20t] Leaflet

Unit-type support structure "Lightweight Square Column" [Allowable Load 20t] Leaflet

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Product Introduction: Assembled Steel Column "Lightweight Square Post"

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The "Lightweight Square Support Column" is a long-selling product with a history of over 40 years, ensuring safety and reliability. It is an assembled steel column used when a vertical load of 20 tons is required. With a permissible load of 196 kN (20 tons), it allows for a wider working space compared to standard support structures. Additionally, it can accommodate various heights through a combination of six different sizes ranging from 200mm to 3000mm. It can be used more easily than H-beams (raw materials or retaining materials), significantly improving workability. More details are available in related products and catalogs.

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【Immediate delivery, small lot available】Unit-type support frame 'Lightweight Square Column'

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The "Lightweight Square Column" is a unit-type support structure with a permissible load of 20 tons. It can accommodate various heights through a combination of six different dimensions ranging from 200mm to 3000mm. While a shortage of steel materials has become apparent, we have proactively implemented advance production of the "Lightweight Square Column" to ensure that product supply remains uninterrupted. Currently, some sizes may be in short supply, but generally, we can deliver them immediately. To address the concerns of sites needing a small quantity right away, we are happy to accommodate orders starting from just one piece! Please feel free to contact us! We provide more detailed information through related products and catalogs.

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中央ビルト工業

中央ビルト工業

Building materials, supplies and fixtures manufacturers

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Chuo Built Industry Co., Ltd. is a leading company in the manufacturing of temporary scaffolding. With a history of over 70 years since its establishment, it is a long-established manufacturer that was the first in Japan to start producing steel scaffolding. In line with the development and reform of construction methods, we constantly pursue safety and security on site, providing technologies and products that align with these goals. Our products have been adopted in a wide range of sites, from local general contractors to major general contractors. We manufacture, sell, and rent scaffolding, which is one of our strengths, allowing us to provide products and services that meet our customers' needs. We have branches and equipment centers across the country to respond to various customer requests. ◆Main Products Frame scaffolding, next-generation scaffolding, support structures, system products ◆Currently Serializing - Scaffolding Column We provide accurate knowledge and information about scaffolding, contributing to safety and efficiency on construction sites. - Construction Industry News Get the latest information about the construction industry in just one minute!

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