S-90152A335 1/4"-20 x 2" ASME B18.3, ASTM F837 Stainless Steel Wire-Lockable Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life
• High-strength performance offering 80,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing in demanding applications
• Precise, secure fastening ensured by Class 3A thread fit and UNC coarse threads, reducing the risk of cross-threading and ensuring consistent clamping force
• Efficient installation and removal with a 3/16" hex drive and standard socket head, allowing for high torque application and access in confined spaces
• Optimized thread engagement through a partially threaded design, providing excellent grip where needed without unnecessary thread length
• Compliance with rigorous standards including ASME B18.3, ensuring dimensional accuracy, interchangeability, and reliability in industrial assemblies
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for hazardous substances

Professional Applications & Engineering Value

Engineered for industrial applications requiring robust and reliable fastening, this Socket Head Cap Screw addresses common challenges like vibration loosening and material fatigue. The 18-8 Stainless Steel material provides excellent resistance to oxidation and chemical exposure, making it suitable for machinery, automotive, and outdoor equipment. The 1/4"-20 UNC thread with coarse spacing ensures quick assembly and strong holding power, while the 3/16" hex drive allows for efficient torque transmission in tight spaces. This combination of high tensile strength and precise Class 3A thread fit minimizes the risk of thread stripping and ensures long-term performance in high-stress environments, reducing maintenance needs and downtime.

Specification Summary & Compliance

This screw features a 1/4"-20 UNC thread with Class 3A thread fit and coarse thread spacing, ensuring tight tolerances and reliable performance. It is manufactured in accordance with ASME B18.3 specifications for dimensional consistency and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming adherence to environmental and safety standards without restricted substances.