It features "notched screws," and the joint section has the same inner and outer diameters as the pipe!
We would like to introduce the "Steel Pipes for Pushing Method" handled by Tohshin Industrial Co., Ltd. These pipes are used for the installation of small-diameter pipes without excavation. For the pulling method and steel pipes for water wells and observation wells, a "sawtooth thread" is applied, and the joint section has the same inner and outer diameter as the pipe. Additionally, for nominal diameters exceeding 300A, the leading flange is set at 65° (3 threads/inch) to facilitate fitting. 【Features】 ■ Used for the installation of small-diameter pipes without excavation ■ For pulling methods and steel pipes for water wells and observation wells - A "sawtooth thread" is applied, and the joint section has the same inner and outer diameter as the pipe ■ For nominal diameters exceeding 300A - The leading flange is set at 65° (3 threads/inch) to facilitate fitting *For more details, please refer to the PDF document or feel free to contact us.
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Toshin Industrial Co., Ltd. provides excellent pipe processing technology across a wide range of fields. Since our establishment, we have consistently aimed to create products from the customer's perspective, earning significant recognition and high trust from everyone. Please feel free to contact us with any requests.