S-90585A992 10-32 x 1" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and passivated finish for extended service life in harsh environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under high stress
• Precision thread engagement with Class 3A fit and UNF fine threads ensuring vibration resistance and secure fastening
• Optimized flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
• Efficient installation with 1/8" hex drive providing positive torque transmission and reduced slippage
• Full thread coverage along the entire 1" length for maximum grip and load distribution
• Regulatory compliance meeting ASME B18.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver critical performance advantages in demanding industrial applications where corrosion resistance and precision threading are paramount. The combination of 316 Stainless Steel material and passivated finish provides exceptional protection against chemical exposure and atmospheric corrosion, making them ideal for marine, chemical processing, and food industry applications. The Class 3A thread fit ensures tight tolerances and vibration resistance in precision assemblies, while the 82° countersink allows for flush mounting in machinery, electronic enclosures, and structural components. The fully threaded design maximizes engagement strength across the entire fastener length, distributing load evenly and preventing joint failure in high-stress environments.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit tolerance and UNF fine threading (10-32) ensuring precision engagement. Complies with ASME B18.3 dimensional specifications and meets critical environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance. The inch-system fasteners feature controlled head diameter tolerance (-0.052" to 0") and maintain consistent mechanical properties including 70,000 psi tensile strength and Rockwell B55 hardness throughout production batches.