S-97763A329 6-32 x 1" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coated 18-8 stainless steel, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and joint integrity under stress
• Precise Class 3A thread fit guarantees secure fastening with minimal risk of loosening or cross-threading
• Fully threaded UNC coarse spacing allows for faster installation and improved grip in various materials
• Hex drive design with 5/64" drive size provides excellent torque transmission and slip-resistant engagement
• Rounded button head profile offers a low-profile, aesthetically pleasing finish while reducing snagging risks
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for global markets

Professional Applications & Engineering Value

This black-oxide 18-8 stainless steel rounded head screw is engineered to address common industrial challenges such as corrosion, vibration, and assembly efficiency. The UNC coarse thread spacing and Class 3A fit provide exceptional holding power in metals, plastics, and composites, reducing the risk of thread stripping. With a Rockwell B55 hardness and 70,000 psi tensile strength, it maintains integrity in high-stress applications like machinery, electronics, and automotive assemblies. The hex drive ensures easy installation with standard tools, while the fully threaded design offers consistent clamping force. Ideal for OEM and MRO uses where durability, regulatory compliance, and precision are critical.

Specification Summary & Compliance

This screw features a 6-32 thread size with UNC coarse spacing and Class 3A thread fit for high precision. It meets ASME B18.3 specifications, ensuring consistent manufacturing quality. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable industrial operations.