S-94444A102 1/4"-20 x 3/4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Black-Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration.
• Superior torque transmission via the external hex drive and hex head design for secure, easy installation.
• Optimized thread engagement with UNC coarse threading and Class 2A fit, providing consistent clamping force and reducing cross-threading risks.
• Full threading along the 3/4" length maximizes grip and holding power across the entire fastener.
• Durable Rockwell B70 hardness maintains structural integrity and resists wear during repeated use.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards are met.

Professional Applications & Engineering Value

This 1/4"-20 x 3/4" hex head screw is engineered to address common industrial challenges, such as corrosion and mechanical failure. The Black-Oxide 18-8 Stainless Steel material offers excellent resistance to rust and chemicals, making it suitable for outdoor equipment, marine applications, and manufacturing machinery. Its UNC coarse thread and Class 2A fit ensure quick assembly and reliable fastening in high-vibration settings, while the external hex drive allows for efficient installation with standard tools. Fully threaded for uniform stress distribution, this screw provides long-term durability and reduces maintenance needs in demanding environments.

Specification Summary & Compliance

The screw features precise Class 2A thread fit and adheres to UNC coarse thread standards with a size of 1/4"-20. It is manufactured in compliance with ASME B18.2.1 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry reliability.