S-90833A119 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to the black oxide finish, extending service life in harsh industrial environments.
• High-strength and durability from alloy steel construction with a Rockwell C30 hardness and 140,000 psi tensile strength for reliable performance under load.
• Precise alignment and secure positioning enabled by the 8mm shoulder diameter with controlled tolerances, minimizing component movement.
• Easy installation and removal with a 4mm hex drive and knurled, low-profile socket head, providing a secure grip and access in tight spaces.
• Consistent thread engagement ensured by the Class 5g6g thread fit and M6x1mm coarse pitch, reducing the risk of cross-threading.
• Compliance with environmental regulations, being RoHS 3 and REACH compliant, making it suitable for global supply chains.
• Versatile right-hand metric thread designed for standard assembly applications, ensuring broad compatibility.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address common challenges in precision assembly, such as misalignment and component wear. The alloy steel core provides the necessary high tensile strength for demanding applications in machinery, automation, and tooling, where repeated stress is a concern. The black oxide finish offers a protective layer against rust and corrosion, ideal for environments exposed to moisture or chemicals. With its low profile socket head and knurled texture, it allows for easy torque application even in confined spaces, reducing installation time. The precisely machined shoulder acts as a pivot or spacer, ensuring accurate alignment of parts like gears, bearings, and linkages, which minimizes vibration and extends equipment lifespan. This makes it a reliable choice for industrial applications requiring durability and precision.

Specification Summary & Compliance

This shoulder screw features an M6x1mm coarse pitch thread with a Class 5g6g thread fit per metric standards, ensuring dimensional accuracy and interchangeability. The shoulder diameter is 8mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 8mm with a tolerance of 0 to 0.25 mm, providing precise fits for engineering assemblies. Manufactured from alloy steel with a hardness of Rockwell C30 and tensile strength of 140,000 psi, it adheres to industry norms for mechanical performance. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming its suitability for regulated markets and environmentally conscious applications.