S-91273A856 M12 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• Enhanced durability and wear resistance provided by the black oxide finish, extending service life.
• Precise component alignment ensured by the 60mm shoulder with tight diameter tolerance for stable assemblies.
• High-strength performance with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications.
• Secure, non-slip installation facilitated by the knurled head and 6mm hex drive for reliable torque transfer.
• Accurate and reliable threading with Class 5g6g thread fit and M12x1.75 coarse pitch for easy assembly.
• Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address critical alignment and strength challenges in industrial applications. The 18-8 stainless steel material offers excellent resistance to rust and corrosion, while the black oxide finish adds an extra layer of protection against wear and galling. The precise 60mm shoulder length and tight diameter tolerance ensure components are held securely in position, reducing vibration and misalignment in machinery, conveyor systems, and precision instruments. The Class 5g6g thread fit and coarse thread pitch allow for quick and secure fastening, minimizing assembly time. With a Rockwell B55 hardness and high tensile strength, this hex drive shoulder screw provides reliable performance in high-stress environments, making it a trusted choice for engineers seeking durability and precision.

Specification Summary & Compliance

This metric shoulder screw features a Class 5g6g thread fit with M12x1.75 coarse pitch, ensuring dimensional accuracy and compatibility. The shoulder diameter tolerance is -0.04 to -0.01 mm, and the shoulder length tolerance is 0 to 0.25 mm, providing precise engineering fits. Manufactured from 18-8 stainless steel with a black oxide finish, it meets industry standards for hardness and strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing adherence to environmental and safety requirements.