S-8077A723 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments like marine or chemical processing.
• Enhanced durability and wear resistance from the black oxide finish, which also provides a sleek, non-reflective appearance.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress in industrial assemblies.
• Precise Class 3A thread fit guarantees secure, vibration-resistant fastening with minimal risk of loosening.
• Easy installation and removal with a hex socket drive (3/32"), allowing for high torque application in confined spaces.
• Stable shoulder design with a knurled head for improved grip during handling and precise alignment in machinery.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for global industrial markets.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw in 316 stainless steel with a black oxide finish is engineered to address common industrial challenges such as corrosion, high stress, and precise component alignment. The coarse threading and Class 3A fit provide excellent holding power in dynamic applications, reducing maintenance needs in machinery, conveyor systems, and automotive assemblies. The shoulder design acts as a spacer or pivot, ensuring accurate positioning in rotating parts, while the hex drive allows for efficient installation with standard tools. Ideal for use in industrial equipment, this screw offers long-term reliability and cost savings by minimizing downtime and replacement frequency.

Specification Summary & Compliance

This shoulder screw features precise dimensions, including a thread size of 8-32 UNC with Class 3A thread fit for tight tolerances, a shoulder diameter of 3/16" with tolerance from -0.004" to -0.002", and a shoulder length of 7/8" with tolerance from -0.005" to 0.005". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use. Manufactured to high hardness (Rockwell B79) and strength specifications, it is suitable for applications requiring reliable performance under stress.