S-8077A515 3-48 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and chemical exposure
• Enhanced durability and wear resistance from the Black Oxide finish, providing long-lasting performance
• Precise alignment and secure positioning with a 1/2" shoulder length and standard shoulder fit for stable assembly
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
• Secure, non-slip installation thanks to the knurled socket head and 5/64" hex drive, reducing tool slippage
• Reliable thread engagement with Class 3A thread fit and UNC coarse threads for quick assembly and vibration resistance
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries

Professional Applications & Engineering Value

This 3-48 UNC shoulder screw is engineered to address critical challenges in precision machinery and industrial equipment. The 316 Stainless Steel material provides exceptional resistance to corrosion and oxidation, making it suitable for marine, chemical processing, and outdoor applications. The Black Oxide finish not only enhances aesthetic appeal but also adds a protective layer against wear and galling. With a Class 3A thread fit and coarse UNC threads, it ensures rapid assembly and maintains integrity under vibrational stresses. The knurled socket head and precise shoulder diameter facilitate accurate alignment in pivots, linkages, and rotating assemblies, reducing misalignment issues and extending component life. Ideal for use in automation systems, precision instruments, and heavy-duty industrial machinery, this screw delivers reliable performance where dimensional accuracy and corrosion resistance are paramount.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for tight tolerances and secure fastening. Dimensions include a thread size of 3-48, shoulder diameter of 1/8" (tolerance: -0.004" to -0.002"), and shoulder length of 1/2" (tolerance: -0.005" to 0.005"). It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial applications.