S-92240A542 1/4"-20 x 1" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional tensile strength rated at 80,000 psi for reliable performance in high-stress applications
• Precision UNC coarse threading with Class 2A fit ensures quick installation and secure fastening
• Full threading design provides maximum grip length and superior holding power
• External hex drive allows for high torque application with standard tools
• Rockwell B70 hardness maintains structural integrity under repeated use
• Comprehensive compliance with ASME B18.2.1 standards and environmental regulations

Professional Applications & Engineering Value

These 18-8 stainless steel hex head screws deliver exceptional performance in demanding industrial settings where corrosion resistance and mechanical strength are critical. The UNC coarse thread pattern with Class 2A fit provides excellent engagement in various materials, reducing installation time while maintaining secure fastening. The external hex drive design enables high-torque applications without stripping, making them ideal for assembly lines and maintenance operations. With 80,000 psi tensile strength and full threading, these screws offer reliable performance in machinery, equipment manufacturing, and structural applications where vibration resistance and long-term durability are essential requirements.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with 1/4"-20 UNC coarse thread and Class 2A thread fit tolerance. These hex head screws comply with ASME B18.2.1 manufacturing standards and meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The 18-8 stainless steel construction provides consistent performance with Rockwell B70 hardness and 80,000 psi tensile strength ratings.