S-90337A341 1/4"-20 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional dimensional stability provided by the precise 3/4" shoulder length with tight ±0.002" tolerance for accurate alignment
• High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
• Secure installation through the low-profile socket head with 3/16" hex drive, preventing tool slippage in confined spaces
• Reliable thread engagement with Class 2A fit UNC coarse threads ensuring consistent fastening performance
• Environmental compliance meeting RoHS 3 and REACH regulations for safe use across regulated industries
• Optimized shoulder design featuring precise diameter control (-0.001" to 0" tolerance) for smooth bearing and pivot applications

Professional Applications & Engineering Value

This precision shoulder screw addresses critical alignment challenges in industrial machinery, automation systems, and precision equipment. The 18-8 stainless steel material combined with passivated finish provides excellent corrosion resistance, extending service life in demanding environments. The 3/4" shoulder length with tight tolerances ensures precise component positioning, eliminating misalignment issues in rotating assemblies and linear guides. The low-profile socket head design allows installation in space-constrained applications while maintaining high torque capability. These shoulder screws serve as reliable alignment pins and pivot points in manufacturing equipment, reducing wear and maintenance downtime through superior dimensional control and 70,000 psi tensile strength.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and shoulder diameter tolerance of -0.001" to 0". Features 1/4"-20 UNC coarse threads with right-hand direction and 7/16" thread length. The shoulder maintains strict length tolerance of 0" to 0.002" for precision applications. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.