S-90337A338 1/4"-20 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring longevity in harsh industrial environments
• Exceptional strength and durability with 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under heavy loads
• Precise alignment capabilities featuring a smooth 3/8" shoulder diameter with tight tolerances for accurate component positioning
• Space-saving low profile design with socket head configuration allowing for installation in confined spaces while maintaining structural integrity
• Easy installation and removal with standard 3/16" hex drive compatible with common tools, reducing assembly time
• Reliable thread engagement with Class 2A fit 1/4"-20 UNC coarse threads ensuring secure fastening in various materials
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This precision shoulder screw delivers exceptional engineering value in applications requiring exact component alignment and robust fastening. The 18-8 stainless steel construction with passivated finish provides superior corrosion resistance, making it ideal for machinery, automation systems, and outdoor equipment where environmental factors threaten fastener integrity. The low profile socket head design combined with the precisely machined shoulder diameter eliminates the need for additional alignment components, reducing assembly complexity and potential failure points. The 1/4"-20 UNC coarse threads ensure quick installation and reliable holding power in various materials, while the 70,000 psi tensile strength guarantees performance in high-stress applications. These shoulder screws serve as excellent alignment pins in rotating assemblies, pivot points, and precision mechanisms where dimensional accuracy is critical to operational efficiency.

Specification Summary & Compliance

This shoulder screw features precision Class 2A thread fit with 1/4"-20 UNC coarse threads and maintains tight shoulder diameter tolerance (-0.001" to 0") and shoulder length tolerance (0" to 0.002") for exacting applications. Manufactured to industry standards with hex drive compatibility and low profile socket head configuration. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental responsibility and regulatory adherence for global industrial applications.