S-92290A128 M3 x 40 mm DIN 912, ISO 4762 Super-Corrosion-Resistant 316 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments including marine and chemical applications
• High tensile strength of 70,000 psi ensures reliable fastening under significant mechanical loads and vibration
• Precise Class 6g thread fit guarantees smooth installation and secure mating with compatible nuts and threaded holes
• Passivated surface finish enhances durability and provides an extra layer of protection against oxidation and chemical attack
• Compact socket head design with 2.5 mm hex drive allows for easy installation in confined spaces using standard Allen keys
• Partially threaded shank provides unthreaded grip length for improved alignment and shear resistance in assembled components
• Compliance with DIN 912/ISO 4762 standards ensures dimensional accuracy and interchangeability in global engineering projects

Professional Applications & Engineering Value

This M3 socket head cap screw in 316 stainless steel is engineered to address critical challenges in industrial settings where corrosion resistance and mechanical reliability are paramount. The coarse 0.5 mm pitch thread facilitates quick assembly and reduces cross-threading risks, while the partially threaded design enhances joint stability in dynamic machinery and precision equipment. Its passivated finish extends service life in aggressive environments, making it suitable for applications in food processing, marine hardware, chemical plants, and automotive assemblies. The hex socket drive ensures high torque transmission without slippage, supporting efficient maintenance and production workflows.

Specification Summary & Compliance

This fastener adheres to DIN 912 / ISO 4762 specifications, ensuring precise dimensional control with a Class 6g thread fit for metric coarse threading. The screw features an M3 x 0.5 mm thread, 18 mm minimum thread length, and a total length of 40 mm. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated industrial and commercial applications without hazardous substances.