A pipe thread with strong joint strength! Achieves excellent earthquake resistance, pressure resistance, and durability!
The "Rolling Nipple" is a pipe thread that has strong bonding strength with fittings and excels in earthquake resistance, pressure resistance, and durability. Traditionally, pipe threads used in piping fittings were mainly produced through cutting processes, but this led to various issues in performance due to the reduction of effective pipe thickness and inconsistencies in thread precision and surface smoothness. Our product achieves a high-precision and smooth thread surface through rolling, improving the adhesion between male and female threads. It resolves the issues associated with cutting threads. 【Features】 ■ Earthquake resistance ■ Pressure resistance ■ Durability ■ Sealing performance *For more details, please refer to the catalog or feel free to contact us.
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【Other Features】 - By ensuring an effective pipe thickness, the tensile strength of the screw joint is more than 1.5 times that of cutting screws, demonstrating excellent earthquake resistance. - Continuous metallic fiber structure at the bottom of the screw groove improves joint strength and enhances resistance to seizure and rust prevention due to work hardening. - Can be used as a substitute for welded joints. - Enables significant reduction in work time and costs. *For more details, please refer to the catalog or feel free to contact us.
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For more details, please refer to the catalog or feel free to contact us.
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Comparison of rolled screws and cut screws Pipe thickness approximately 1.4 times
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Sanwa Iron Works Co., Ltd. is committed to the spirit of "no compromise" based on ISO 9001 as the foundation of our quality management. We are all working together to manufacture and sell stud bolts, special steel bolts, and nuts, while also striving to develop products that connect to the future. Furthermore, we aim to contribute broadly in the fields of petroleum and petrochemical facilities, nuclear power, earthquake resistance, and environmental-related areas, with the mindset of everyone being in sales and everyone being in technology, as we aspire to be a cornerstone in Japanese and global industries.