古川精鋲 List of Products and Services

We can perform threading processing from M5 to M30. Depending on the die we have, we can process lengths of about 150L. We also handle threading processing of hardened materials. We can accommodate small quantities of processing as well.

• bolt

We have been specializing in the production of automotive spring U-bolts, automotive chassis U-bolts, and other special U-bolts not available on the market for 40 years. We excel in processing the deformation of bolt heads. We also perform special bending processes for items such as accelerator rods and pipe stays. All products can accommodate surface treatments such as trivalent plating and cathodic electrodeposition coating. 【Features】 - Materials used include SS400, S45C, SCM435, and SUS304, with the threaded parts processed using rolled threads. - The heads can be forged to reduce slipping during assembly. - Wire diameters can range from 5mm to 30mm. After heat treatment of the finished product, we can achieve a precision of ±2mm in width and length through distortion removal. For more details, please contact us or download our catalog to view.

• bolt

Since its establishment in 1953, our headquarters factory has been dedicated to the production of bolts that support the core of the era, transitioning from shipbuilding to automobiles. Year by year, we have strived for greater precision and rationalization. In line with the modernization of industry, we have actively worked on enhancing our facilities and are committed to developing products with a flexible approach to meet diverse needs. We are grateful for the warm support and guidance from our users and are determined to strive towards becoming an ideal company that can supply valuable products. For more details, please contact us or refer to our catalog.

• nut
• Other machine elements