S-94361A512 3/4"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Load-Bearing Capacity - 140,000 PSI tensile strength and Rockwell C32 hardness provide reliable performance in high-stress industrial applications
• Precision Thread Engagement - Class 3A thread fit ensures tight tolerances and secure fastening in critical assemblies
• Superior Corrosion Protection - Black oxide finish extends service life in demanding environments while maintaining dimensional stability
• Enhanced Grip and Control - Knurled socket head design prevents tool slippage during installation and removal operations
• Optimized Shoulder Performance - Precision-machined shoulder with tight diameter and length tolerances provides accurate alignment and bearing surfaces
• Fine Thread Advantage - UNF 3/4"-16 thread spacing offers increased thread engagement and vibration resistance
• Regulatory Compliance - Meets RoHS 3 and REACH environmental standards for global manufacturing applications

Professional Applications & Engineering Value

This alloy steel shoulder screw delivers critical engineering solutions where precision alignment and high strength are paramount. The Class 3A thread fit with UNF fine spacing ensures superior vibration resistance in rotating machinery, automation systems, and precision equipment. The black oxide finish provides essential corrosion protection while maintaining the dimensional integrity required for exacting tolerances. The knurled socket head with 1/2" drive facilitates secure tool engagement in confined spaces, reducing installation time and preventing damage to critical components. Engineered for heavy-duty industrial applications, this shoulder screw maintains structural integrity under extreme loads while the precision-machined shoulder serves as an accurate locating surface for gears, pulleys, and rotating assemblies.

Specification Summary & Compliance

This precision shoulder screw features Class 3A thread fit with 3/4"-16 UNF fine thread specification, ensuring tight tolerances for critical applications. The shoulder maintains precise dimensional control with diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005". Manufacturing complies with RoHS 3 (2015/863/EU) with exemption 6(a) for lead as an alloying element in steel and REACH (EC 1907/2006) compliance for substance restrictions. The combination of 140,000 PSI tensile strength and Rockwell C32 hardness ensures reliable performance in demanding industrial environments.