Custom-made insulating bolts and nuts.
The bolts and nuts are manufactured and sold not only based on the distinction between iron and stainless steel but also according to specifications regarding material, strength, and plating. Since they are made to order, there is flexibility in the shape of the bolt body and insulation parts. The bolts and nuts can comply with not only JIS standards but also ASTM and ANSI/ASME, and various test certificates can be issued.
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basic information
Bolts and nuts, which play a role in connecting metals and encountering various corrosion currents, such as dissimilar metal contact and stray currents, are supplied by our company. Our insulated bolts have a proven track record in power plants both domestically and internationally. Sanwa Iron Works has been supplying bolts and nuts used in harsh environments, such as piping and pressure vessels in power, gas, oil, and chemical plants. We will think together with our customers and make proposals regarding insulated bolts used in various locations.
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Applications/Examples of results
Piping lines for power plants, oil refining, chemicals, and steel mills Joining dissimilar metal flanges Piping for ports and bridges Installation of buried pipes
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Company information
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 areas such as petroleum and petrochemical facilities, nuclear power, earthquake resistance, and environmental concerns, with a mindset of "everyone in sales, everyone in technology," and we are determined to be a cornerstone in both Japanese and global industries.