S-90265A406 M12 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing replacement frequency.
• Enhanced torque application and grip from the knurled socket head and 8 mm hex drive, minimizing tool slippage during installation.
• Precise component alignment and spacing ensured by the 80 mm shoulder with controlled diameter tolerance for reliable assembly.
• High mechanical strength and durability with a tensile strength of 70,000 psi and Rockwell B83 hardness, supporting heavy-duty applications.
• Reliable thread engagement due to the M12x1.75 coarse thread with Class 5g6g fit, facilitating quick and secure fastening.
• Broad industrial compliance meeting ISO 7379 standards, ensuring interchangeability and performance consistency.
• Environmental and safety adherence with RoHS 3 and REACH compliance, making it suitable for regulated industries.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in machinery. The 80 mm shoulder length provides a stable bearing surface for rotating parts like pulleys and gears, reducing friction and extending equipment life. Made from 18-8 Stainless Steel, it offers excellent resistance to rust and corrosion, which is critical in moist or chemical-exposed settings like food processing or outdoor machinery. The knurled socket head and hex drive design allow for high-torque installation without stripping, while the metric coarse thread ensures quick assembly in automated production lines. Ideal for precision applications in automotive, aerospace, and manufacturing, this screw enhances operational reliability and minimizes downtime.

Specification Summary & Compliance

This shoulder screw features precise dimensions, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring high accuracy for industrial applications. The threads adhere to Class 5g6g fit under metric standards, providing consistent performance. It is manufactured in compliance with ISO 7379 for dimensional and mechanical properties, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental suitability for global markets.