S-8077A249 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high-stress conditions.
• Precise alignment and secure fit ensured by the Class 3A thread fit and standard shoulder, minimizing assembly play and vibration.
• Enhanced durability and wear resistance from the Black Oxide finish and Rockwell B79 hardness, reducing maintenance needs.
• Easy installation and removal with a knurled socket head and 3/32" hex drive, providing a secure grip for efficient assembly.
• Robust coarse UNC threading (8-32) for quick engagement and high resistance to loosening in dynamic applications.
• Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility for international projects.

Professional Applications & Engineering Value

This 316 Stainless Steel shoulder screw with a Black Oxide finish is engineered to address critical challenges in precision machinery, automation, and assembly systems. The UNC coarse thread and Class 3A fit provide a tight, reliable connection that resists vibration and misalignment, common issues in high-cycle industrial equipment. The knurled socket head and hex drive allow for easy torque application, speeding up installation while reducing tool slippage. Made from corrosion-resistant 316 stainless steel, it excels in environments exposed to moisture, chemicals, or extreme temperatures, ensuring long-term reliability and reducing downtime for maintenance. Ideal for applications requiring precise component spacing and rotational control, such as in bearings, linkages, and electronic enclosures, this screw delivers consistent performance where accuracy and durability are paramount.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a precise Class 3A thread fit for superior engagement. Dimensions include a thread size of 8-32, shoulder diameter of 7/32" (with tolerance -0.004" to -0.002"), and shoulder length of 7/16" (tolerance -0.005" to 0.005"), ensuring high accuracy for alignment-critical uses. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free of hazardous substances and suitable for global industrial and electronic applications.