S-90152A332 1/4"-20 x 1 1/2" ASME B18.3, ASTM F837 Stainless Steel Wire-Lockable Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and long-term reliability.
• Superior load-bearing capability thanks to an 80,000 PSI tensile strength and Rockwell B70 hardness, ensuring secure fastening under high stress.
• Precise, vibration-resistant threading with a Class 3A fit and coarse UNC thread profile for easier alignment and reduced loosening.
• Optimized torque transmission via the hex socket drive, allowing for high tightening forces without cam-out in confined spaces.
• Versatile partial threading design provides both gripping strength on the threaded section and smooth shank for precise component positioning.
• Guaranteed dimensional consistency and interchangeability, manufactured to meet ASME B18.3 specifications.
• Environmentally compliant and safe for various industries, adhering to RoHS 3 directives.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this Socket Head Cap Screw delivers reliable performance where precision and strength are non-negotiable. The 18-8 Stainless Steel material offers excellent resistance to oxidation and chemicals, making it suitable for machinery, automotive assemblies, and outdoor equipment. Its 1/4"-20 UNC coarse thread with Class 3A fit ensures quick assembly and robust retention, minimizing the risk of thread stripping. The hex drive design allows for high torque application in tight spaces, reducing installation time while maintaining 80,000 PSI tensile strength. Ideal for use in jigs, fixtures, and heavy-duty frames, this fastener addresses common challenges like vibration-induced loosening and corrosion, enhancing equipment longevity and safety.

Specification Summary & Compliance

This screw features a 1/4"-20 UNC thread with Class 3A precision fit and coarse thread spacing, ensuring tight tolerances for secure fastening. It is manufactured in accordance with ASME B18.3 standards, guaranteeing dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) regulations, confirming it is free from hazardous substances, and meets the specified material and mechanical properties, including a tensile strength of 80,000 PSI and Rockwell B70 hardness.