S-91273A839 M10 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and black oxide finish, ideal for harsh industrial environments.
• Reliable high-strength performance offering 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications.
• Precise alignment and smooth rotation ensured by the 40mm shoulder with tight diameter tolerance for consistent component positioning.
• Secure, non-slip installation with a knurled socket head and 5mm hex drive, providing enhanced grip during tightening.
• Accurate and durable threading with M10x1.5 coarse metric threads and Class 5g6g fit for easy assembly and long-term reliability.
• Compliance with environmental standards, including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.
• Optimized for industrial machinery due to Rockwell B55 hardness, resisting wear and maintaining integrity under stress.

Professional Applications & Engineering Value

This M10 shoulder screw is engineered to address critical challenges in precision assembly, such as misalignment and component wear in machinery. The 18-8 stainless steel material, combined with a black oxide finish, provides superior resistance to rust and chemicals, extending service life in humid or corrosive settings. The 40mm shoulder length acts as a precise pivot or spacer, reducing friction and ensuring accurate alignment in rotating parts like bearings and gears. With a Class 5g6g thread fit and coarse M10x1.5 metric threads, it facilitates quick installation and high clamp load retention, making it ideal for automotive, aerospace, and industrial equipment where reliable fastening solutions are paramount.

Specification Summary & Compliance

This precision shoulder bolt adheres to metric standards with an M10x1.5 coarse thread and Class 5g6g thread fit for consistent dimensional accuracy. The shoulder diameter tolerance is -0.04 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring tight manufacturing control. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing compliance with environmental and safety requirements for industrial use.