S-94361A337 5/16"-24 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with 140,000 psi tensile strength and Rockwell C32 hardness for reliable performance in demanding applications
• Superior corrosion resistance through black oxide finish, extending service life in harsh industrial environments
• Precise component positioning with 3/8" shoulder diameter and 5/16" shoulder length for accurate alignment and spacing
• High-precision thread engagement with Class 3A fit and UNF fine threads ensuring secure fastening and vibration resistance
• Easy installation and removal featuring hex socket drive and knurled head for improved grip during assembly
• Compliance with environmental regulations including RoHS 3 and REACH for safe use across various industries
• Optimized for industrial applications with right-hand thread direction and standard socket head profile for compatibility with common tools

Professional Applications & Engineering Value

This alloy steel shoulder screw with black oxide finish provides critical engineering solutions for precision assembly applications. The 5/16"-24 UNF fine threads with Class 3A fit ensure superior thread engagement and vibration resistance in machinery, automation equipment, and precision instruments. The precisely machined shoulder with tight diameter and length tolerances enables exact component positioning, eliminating misalignment issues in rotating assemblies and bearing applications. The combination of Rockwell C32 hardness and 140,000 psi tensile strength delivers reliable performance under heavy loads, while the corrosion-resistant black oxide surface treatment extends service life in challenging industrial environments. The hex socket drive with knurled head facilitates efficient installation in confined spaces, making it ideal for maintenance and production applications where accessibility is limited.

Specification Summary & Compliance

This shoulder screw features precision Class 3A thread fit with 5/16"-24 UNF fine threads and standard shoulder fit. Manufacturing tolerances include shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005" for exact positioning requirements. The product is manufactured to meet RoHS 3 (2015/863/EU) compliance with exemption 6(a) for lead as an alloying element in steel and is REACH (EC 1907/2006) compliant, ensuring environmental responsibility and regulatory adherence for industrial applications worldwide.