S-94361A545 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional durability with 140,000 psi tensile strength and Rockwell C32 hardness, ensuring reliable performance in high-stress industrial applications.
• Corrosion-resistant black oxide finish extends service life by protecting against rust and wear in demanding environments.
• Precise shoulder positioning with a 10 mm diameter and 12 mm length shoulder, providing accurate alignment and spacing in assemblies.
• Secure installation and removal thanks to the knurled socket head and 5 mm hex drive, reducing slippage and tool wear.
• Wide compatibility with coarse M8x1.25 metric threads and Class 5g6g fit, ensuring easy integration into standard industrial equipment.
• Compliance with environmental standards including RoHS 3 and REACH, making it suitable for global supply chains and regulated industries.
• Enhanced grip and handling from the knurled head texture, improving safety and efficiency during manual or automated assembly.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address common challenges in precision mechanical assemblies, such as misalignment and component wear. Made from alloy steel with a black oxide finish, it resists corrosion and maintains integrity under heavy loads, ideal for machinery, automotive, and robotics. The knurled socket head and 5 mm hex drive allow for secure torque application, reducing the risk of stripping and ensuring consistent fastening in repetitive industrial tasks. With a coarse thread spacing and right-hand thread direction, it facilitates quick installation and reliable holding power, minimizing downtime in production lines. This screw's design supports applications requiring exact shoulder positioning, enhancing overall assembly stability and longevity.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional tolerances, including a shoulder diameter of 10 mm with a tolerance of -0.072 to -0.01 mm and a shoulder length of 12 mm with a tolerance of 0 to 0.25 mm. The metric thread follows Class 5g6g fit standards for consistent engagement, and it complies with RoHS 3 (2015/863/EU) under exemption 6(a) and REACH (EC 1907/2006) as of January 17, 2023, ensuring environmental and safety regulations are met for industrial use.