S-91273A717 3/4"-10 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 from the black oxide finish, extending service life in demanding applications.
• High tensile strength of 70,000 PSI ensures reliable performance under heavy loads and mechanical stress.
• Precise Class 2A thread fit guarantees smooth assembly and secure fastening with minimal play.
• Knurled head and 3/8" hex drive provide excellent grip and torque application, reducing slippage during installation.
• Long 2 3/4" shoulder length offers stable alignment and spacing for rotating components like gears and pulleys.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance.

Professional Applications & Engineering Value

This 3/4"-10 UNC shoulder screw is engineered to address critical alignment and load-bearing challenges in industrial machinery. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for applications in humid or chemically aggressive settings. The black oxide finish not only enhances corrosion protection but also reduces friction and galling during repeated adjustments. With a coarse thread design and Class 2A fit, it ensures quick, secure fastening in high-vibration environments such as automotive assemblies, conveyor systems, and heavy equipment. The knurled head and hex drive allow for easy installation with standard tools, minimizing downtime. Ideal for use in pivots, linkages, and rotating mechanisms, this shoulder screw delivers reliable performance where precision and strength are paramount.

Specification Summary & Compliance

This shoulder screw features 3/4"-10 UNC coarse threads with a Class 2A thread fit for precise tolerance and easy assembly. The shoulder diameter is 3/4" with a tolerance of -0.004" to -0.002", and the shoulder length is 2 3/4" with a tolerance of -0.005" to 0.005", ensuring consistent dimensional accuracy. Manufactured from 18-8 stainless steel with a hardness of Rockwell B55 and tensile strength of 70,000 PSI, it meets rigorous industrial standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable usage.