S-96870A208 1/4"-20 x 1" ASME B18.2.1, ASTM F593 Grade 630 High-Strength 17-4 PH Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 17-4 PH Stainless Steel, ideal for harsh environments and long-term reliability.
• High tensile strength of 130,000 psi ensures secure fastening under heavy loads, reducing the risk of failure.
• Rockwell C28 hardness provides excellent wear resistance and durability for repeated use.
• Class 2A thread fit offers consistent, reliable engagement with standard nuts and tapped holes.
• Fully threaded right-hand UNC coarse thread delivers superior holding power and faster installation.
• External hex drive design allows for easy application of high torque with common tools.
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory adherence.

Professional Applications & Engineering Value

This 1/4"-20 UNC Hex Head Screw in 17-4 PH Stainless Steel is engineered to address critical industrial challenges, such as corrosion in marine or chemical processing environments and high-stress mechanical assemblies. Its coarse thread and fully threaded design enhance grip and vibration resistance, preventing loosening in dynamic applications. With a yield strength of 105,000 psi and Rockwell C28 hardness, it withstands extreme forces and wear, making it ideal for heavy machinery, structural frameworks, and equipment requiring reliable, long-lasting high tensile strength fasteners. The external hex drive simplifies maintenance and installation, reducing downtime in B2B operations.

Specification Summary & Compliance

This screw features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy, ensuring compatibility with standard components. It meets ASME B18.2.1 specifications and is manufactured in accordance with ASTM F593 Grade 630. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it adheres to environmental and safety standards for industrial use.