S-91273A719 3/4"-10 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and black oxide finish, ideal for harsh industrial environments.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads.
• Precise alignment and smooth rotation ensured by the standard shoulder fit and knurled head, reducing assembly time and wear.
• Easy installation and removal with a 3/8" hex socket drive, providing secure torque application without slippage.
• Durable thread integrity with Class 2A UNC coarse threads, ensuring consistent fastening in high-vibration applications.
• Enhanced hardness and wear resistance from Rockwell B55 rating, extending service life in demanding conditions.
• Compliance with environmental regulations including RoHS 3 and REACH, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This 3/4"-10 UNC shoulder screw is engineered to address critical challenges in industrial machinery, automation, and heavy equipment assembly. The 18-8 stainless steel material combined with a black oxide finish provides excellent corrosion resistance, reducing maintenance in humid or chemical-exposed settings. The precision-machined shoulder with a length of 3 1/2" allows for accurate component alignment, minimizing misalignment and bearing wear in rotating assemblies. With a coarse thread and Class 2A fit, it ensures quick installation and reliable holding power, even in high-stress applications like conveyor systems or robotic arms. The knurled head enhances grip during manual adjustments, while the socket head design with a 3/8" hex drive facilitates efficient torque application, making it a versatile choice for engineers seeking durability and performance in industrial shoulder bolts.

Specification Summary & Compliance

This shoulder screw features precise dimensions, including a shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005", ensuring consistent fit in assemblies. It adheres to UNC thread standards with a Class 2A thread fit for reliable fastening. Manufactured to high-quality specifications, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity for global industrial use.