S-94361A542 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional durability and strength with 140,000 psi tensile strength and Rockwell C32 hardness, ensuring reliable performance in high-stress applications.
• Superior corrosion resistance provided by the black oxide finish, extending service life in harsh industrial environments.
• Precise alignment and stability due to the 10mm shoulder diameter and 6mm shoulder length, reducing wear and misalignment in assemblies.
• Easy installation and removal with a 5mm hex drive and knurled head, offering secure grip and efficient torque application.
• Consistent thread performance with Class 5g6g thread fit and M8x1.25mm coarse pitch, ensuring secure fastening and vibration resistance.
• Compliance with environmental standards, meeting RoHS 3 and REACH regulations for safe and sustainable industrial use.
• Versatile right-hand metric threading for broad compatibility with standard components in various machinery and equipment.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address common industrial challenges such as component misalignment and premature wear in precision assemblies. Made from alloy steel with a black oxide finish, it offers enhanced corrosion resistance, making it ideal for applications in automotive, machinery, and electronics where exposure to moisture and chemicals is a concern. The knurled head and hex drive facilitate quick, tool-friendly installation, while the shoulder design provides exact positioning for rotating parts like bearings and pulleys, reducing friction and improving operational efficiency. Its coarse thread pitch and Class 5g6g thread fit ensure reliable fastening in dynamic environments, minimizing loosening under vibration and load.

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 shoulder length of 6 mm with a tolerance of 0 to 0.25 mm. The thread fit conforms to Class 5g6g for metric threads, ensuring high accuracy and interchangeability. It is manufactured in compliance with RoHS 3 (2015/863/EU) with exemption 6(a) for lead in steel and REACH (EC 1907/2006), affirming its suitability for regulated industrial applications.