S-8077A244 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life.
• Enhanced durability and wear resistance from the Black Oxide finish, providing added protection against rust and galling.
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable load-bearing in demanding applications.
• Precise, secure assembly with Class 3A thread fit and UNC coarse threads, ensuring tight tolerances and vibration resistance.
• Easy installation and removal featuring a knurled socket head with hex drive, allowing for better grip and torque application.
• Accurate component alignment due to the standard shoulder fit and controlled diameter/length tolerances, reducing assembly errors.
• Compliance with strict environmental regulations, including RoHS 3 and REACH, for safe and sustainable use in global markets.

Professional Applications & Engineering Value

This 8-32 UNC thread shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and heavy-duty equipment. The 316 Stainless Steel material provides exceptional resistance to corrosive elements like chemicals and saltwater, making it suitable for marine, chemical processing, and outdoor applications. The Black Oxide finish enhances surface hardness and reduces friction during installation, minimizing the risk of seizing. With a Class 3A thread fit and coarse UNC threads, it ensures rapid assembly and reliable performance under dynamic loads, preventing loosening in high-vibration environments. The knurled socket head and hex drive design facilitate easy handling with standard tools, improving workflow efficiency in assembly lines. Ideal for use in pivots, spacers, and rotating components, this shoulder screw delivers consistent engineering value by maintaining alignment and reducing maintenance downtime.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerance control and UNC coarse threads (8-32 size) with a thread diameter of 0.164". The shoulder diameter and length feature narrow tolerances (e.g., shoulder diameter: -0.004" to -0.002") to ensure accurate fit in assemblies. Manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety requirements for hazardous substance restrictions, supporting sustainable procurement practices.