S-91273A695 5/8"-11 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, reducing maintenance needs
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads
• Precise alignment and reduced wear with a 2 1/2" shoulder length for stable component positioning
• Easy installation and removal using a standard 5/16" hex drive socket head
• Secure grip during handling thanks to the knurled head texture
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable use

Professional Applications & Engineering Value

This 5/8"-11 UNC shoulder screw is engineered to address common industrial challenges such as misalignment, vibration, and corrosion in machinery assemblies. The 18-8 stainless steel material provides excellent resistance to rust and chemicals, while the black oxide finish adds an extra layer of protection against abrasion. The 2 1/2" shoulder length allows for precise bearing or bushing placement, reducing friction and extending component life in applications like conveyor systems, automotive fixtures, and robotic arms. With a Class 2A thread fit and coarse UNC threads, it ensures quick assembly and reliable holding power in high-stress environments, making it a top choice for engineers seeking durability and efficiency.

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. It adheres to UNC thread standards with a Class 2A thread fit for reliable engagement. The product is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting environmental safety and regulatory requirements in industrial settings.