S-94731A630 1/4"-20 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
• Precision Class 2A thread fit guarantees smooth assembly and consistent mating with components
• Coarse UNC threads provide faster installation and reduced cross-threading risks
• Rockwell B55 hardness delivers superior wear resistance and extended service life
• External hex drive design enables secure tool engagement and high torque application
• RoHS 3 and REACH compliance meets international environmental regulations for global supply chains

Professional Applications & Engineering Value

This 1/4"-20 shoulder screw with 1-3/8" shoulder length provides critical alignment and rotational control in precision assemblies. The 18-8 stainless steel construction resists corrosion in demanding environments while maintaining dimensional stability. The UNC coarse threads and Class 2A thread fit ensure rapid, reliable installation in automated production lines. The external hex drive accommodates high-torque applications without stripping, making it ideal for machinery, robotics, and fixturing systems where precise component positioning and 35,000 psi shear strength are essential for operational reliability.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and shoulder diameter tolerance of -0.004" to 0". Features UNC thread form with right-hand direction and coarse spacing. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for international industrial applications and supply chain requirements.