S-91771A146 6-32 x 3/8" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior holding power from 80,000 PSI tensile strength and Rockwell B80 hardness for reliable, long-term fastening
• Quick installation and secure fit with UNC coarse threading and Class 2A thread fit, reducing assembly time and preventing cross-threading
• Flush, professional finish thanks to the standard flat head profile and 82° countersink angle, minimizing protrusion in assembled components
• Efficient drive engagement using a No. 2 Phillips drive, allowing for high-torque application without slippage
• Full threading versatility ensures consistent grip along the entire 3/8" length, accommodating various material thicknesses
• Regulatory peace of mind with compliance to ASME B18.6.3, RoHS 3, and REACH, meeting strict industry and environmental standards

Professional Applications & Engineering Value

This 6-32 x 3/8" flat head Phillips machine screw is engineered to address common industrial challenges such as vibration loosening and corrosion in demanding settings. Constructed from passivated 18-8 stainless steel, it offers excellent resistance to rust and chemicals, making it suitable for applications in machinery, electronics, and outdoor equipment. The UNC coarse threading and Class 2A fit provide rapid installation and a secure hold, reducing the risk of thread stripping. The standard flat head with an 82° countersink angle ensures a smooth, flush surface, which is critical in assemblies where space is limited or aesthetics matter. Its fully threaded design and right-hand thread direction enhance versatility across various materials, from metal panels to plastic housings, ensuring reliable performance in industrial applications where durability and precision are paramount.

Specification Summary & Compliance

This screw features precise dimensions including a 0.262" head diameter and 3/8" length, with UNC coarse threading and Class 2A thread fit for consistent accuracy. It adheres to ASME B18.6.3 manufacturing standards, ensuring reliable performance in mechanical assemblies. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible and safe usage in global markets.