S-97133A160 M4 x 5 mm Sanitary Stainless Steel Truss Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316L stainless steel construction, ideal for harsh environments like food processing and sanitary applications
• Enhanced durability and load-bearing capacity from 70,000 psi tensile strength and Rockwell B96 hardness, reducing failure risks
• Secure and precise fastening ensured by Class 6g thread fit and coarse M4 x 0.7mm threading for reliable installation
• Easy installation and maintenance with 6mm wrench flats and fully threaded design, minimizing assembly time
• Hygienic surface quality thanks to 32 Ra exterior smoothness, preventing bacterial buildup and simplifying cleaning
• Broad compliance with RoHS 3 (2015/863/EU), meeting strict environmental and safety standards for industrial use
• Optimized head design featuring a rounded truss style for increased bearing surface and reduced surface pressure

Professional Applications & Engineering Value

Engineered for demanding sectors, this M4 rounded head screw excels in food industry and sanitary applications where corrosion resistance and cleanliness are critical. Made from 316L stainless steel, it withstands exposure to moisture, chemicals, and frequent washdowns, preventing rust and contamination. The Class 6g thread fit and coarse metric threading provide consistent engagement, reducing the risk of cross-threading in high-vibration environments. With a fully threaded design and wrench flats drive, it offers quick, tool-friendly installation for equipment assembly, conveyor systems, and processing machinery. The 32 Ra smoothness on the exterior further supports hygiene by minimizing areas for debris accumulation, ensuring long-term reliability in regulated settings.

Specification Summary & Compliance

This screw adheres to metric system standards with precise dimensions: M4 thread size, 0.7mm pitch, and 5mm length. Threading conforms to Class 6g fit for consistent tolerance, and the coarse thread spacing enhances grip in various materials. It is fully compliant with RoHS 3 (2015/863/EU), ensuring it meets environmental regulations for hazardous substance restrictions. The manufacturing process focuses on durability and performance, supporting use in industrial fastening applications where precision and reliability are paramount.