S-93985A504 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Precision alignment capability with 1" shoulder length and 1/2" diameter for accurate component positioning in assemblies
• Exceptional corrosion resistance provided by 416 stainless steel construction for reliable performance in harsh environments
• High strength durability with 120,000 psi tensile strength and Rockwell C26 hardness to withstand demanding mechanical loads
• Secure hex socket drive with 1/4" hex size for positive torque transmission and reduced tool slippage during installation
• Reliable thread engagement through UNC coarse threads with Class 2A fit ensuring consistent fastening performance
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Optimized shoulder tolerances with precise diameter and length control for consistent fit in bearing and pivot applications

Professional Applications & Engineering Value

This 416 stainless steel shoulder screw delivers critical engineering solutions where precision alignment and rotational movement are paramount. The 1" shoulder length with controlled diameter tolerances provides an exact bearing surface for gears, pulleys, and linkages, eliminating the need for additional bushings or spacers. The UNC coarse threads with Class 2A fit ensure rapid assembly while maintaining secure fastening in high-vibration environments. The hex socket head design allows for compact installation in confined spaces common in machinery and automation equipment. With 120,000 psi tensile strength, this shoulder screw maintains structural integrity under significant mechanical stress, making it ideal for industrial applications requiring both precise alignment and robust fastening capabilities.

Specification Summary & Compliance

This precision shoulder screw features 3/8"-16 UNC coarse threads with Class 2A thread fit for standard industrial applications. The shoulder maintains precise dimensional control with diameter tolerance of -0.001" to 0" and length tolerance of 0" to 0.002". Manufactured from 416 stainless steel with Rockwell C26 hardness, the component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for use in regulated industries and international markets.