Products Detail

S45C Japanese Standard Nuts are premium medium carbon steel fasteners manufactured strictly in accordance with Japanese industrial standard specifications. Adopting genuine S45C carbon steel as the core raw material, these nuts feature uniform grain structure, excellent hardness stability and superior mechanical toughness compared with conventional ordinary steel nuts. After standardized graded heat treatment, S45C nuts achieve outstanding tensile strength, wear resistance and anti-fatigue performance, perfectly adapting to medium and heavy-load industrial working conditions. They effectively prevent thread abrasion, deformation and connection loosening under long-term mechanical vibration, alternating load and continuous pressure, delivering consistent and reliable fastening stability for Japanese-standard matching equipment and structural systems.
Our Japanese-standard S45C nuts are produced through integral die forging and high-precision thread tapping processes, featuring smooth burr-free thread surfaces, ultra-tight dimensional tolerances and precise thread meshing. Fully compliant with Japanese industrial manufacturing standards, each strength grade undergoes matched standardized heat treatment to optimize internal metallographic structure, realizing an ideal balance of hardness and toughness. With high assembly accuracy and perfect compatibility with Japanese-standard bolts, these nuts are widely utilized in Japanese-style mechanical equipment, precision machinery manufacturing, steel structure engineering, automotive supporting systems and industrial infrastructure, serving as standard, stable and high-cost-performance fastening solutions for Japan-standard projects.

Manufacturer Advantages:
We are a professional manufacturer focused on the mass production of Japanese-standard S45C nuts. Our product lineup covers full strength classes of Class 2, 5, 8 and 10, adopting S45C carbon steel raw materials, with a complete specification range of M8-M64. We fully cover small, medium and large-size specifications to meet all-dimensional fastening demands of Japanese-standard industrial equipment and engineering projects.
We possess mature and professional production technology tailored for Japanese-standard S45C fasteners, with precise control over forging forming, thread precision and graded heat treatment processes. We implement a complete closed-loop quality management system including raw material verification, precision processing, standard heat treatment and finished product mechanical performance testing, strictly following Japanese industrial quality standards. This ensures stable batch consistency, high dimensional accuracy and reliable mechanical properties of all products. We support large-scale bulk supply and customized processing of S45C Japanese nuts. With stable standard compliance, competitive pricing and thoughtful full-cycle service, our products are highly recognized by customers engaged in Japanese-standard equipment supporting and overseas engineering projects. We sincerely look forward to establishing long-term, stable and win-win cooperative relationships with global clients.

Surface Finishing:
Black Oxide, Zinc Plating, Hot-Dip Galvanizing, Dacromet, Delta, Geomet, Magni, Teflon, Blue Wax, Molybdenum Disulfide (MoS2) Coating