坂口鋼材 Product Lineup

Since our establishment over 50 years ago, we have been engaged in the cutting and processing of special steel as our main product, contributing to the development of local manufacturing. Our company is guided by the three principles of "Speed," "Service," and "Safety," and all employees strive for growth and make daily efforts. If you ever think, "It would be great to have such materials..." or "It would be convenient if there were sizes available...", please feel free to contact us. 【Product List】 ■ SK4 Lot Round Bar ■ SKS3 Lot Round Bar ■ SKD11 Lot Round Bar *For more details, please download the materials or contact us.

• Special Steel

Our company always stocks over 1,000 varieties of special steel (flat plates and round bars) primarily from major domestic manufacturers, allowing us to provide a one-stop solution even for small quantities or urgent requests. Please feel free to consult us about any special steel materials. We will propose the most suitable products for your company from a wide range of items. SKS3, SK5, SK3, SKS93, SS, SC, SKD11, SKD61, SKH51, SKS2, ... and more. 【Product List】 ■ GNH45C heat-treated round bars ■ SCM435 heat-treated round bars *For more details, please download the materials or contact us.

• Special Steel

Our company always keeps in stock over 1,000 varieties of special steel (flat plates and round bars) primarily from major domestic manufacturers, so we can provide a one-stop solution even for small quantities or urgent requests. Please feel free to consult us about any special steel materials. We will propose the most suitable products for your company from a wide range of items. 【Product List】 ■S50C Flat Bar ■SK3 Flat Bar ■SKS3 Flat Bar ■SKD11 Flat Bar ■SS Flat Bar *For more details, please download the materials or contact us.

• Special Steel

"SKS3" is a gauge steel plate suitable for parts and products that require high hardness and precise dimensional accuracy. Among commonly available steel materials, it has high toughness, and when subjected to sub-zero treatment during quenching and tempering heat treatment, it can almost suppress aging changes. [Features] - Suitable for parts and products that require high hardness and precise dimensional accuracy - High toughness - Almost suppresses aging changes *Please contact us for more details.

• Steel
• Other metal materials