S-91858A827 10-32 x 3/8" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Enhanced durability and strength with 70,000 psi tensile strength and Rockwell B80 hardness for reliable, long-term performance
• Secure, flush installation thanks to the standard flat head profile and 82° countersink angle for seamless surface finishing
• Precise thread engagement with Class 2A thread fit and fine UNF threading, ensuring vibration resistance and consistent fastening
• Full threading along the 3/8" length provides maximum grip and load distribution in thin materials
• Passivated surface finish increases corrosion resistance and extends service life in demanding industrial applications
• Compliance with major standards including ASME B18.6.3, RoHS 3, and REACH for guaranteed quality and regulatory acceptance

Professional Applications & Engineering Value

These 10-32 UNF flat head screws in 316 stainless steel are engineered to address critical challenges in industrial and marine environments where corrosion and mechanical stress are prevalent. The passivated finish significantly enhances resistance to chlorides and acidic conditions, preventing premature failure. With a fine thread spacing and Class 2A thread fit, they deliver superior holding power and vibration resistance in assemblies requiring precise alignment, such as electronic enclosures, machinery panels, and fluid handling systems. The fully threaded design and 82° countersink angle ensure a flush, secure fit that minimizes protrusion and maintains aerodynamic or hygienic surfaces. Ideal for demanding applications in chemical processing, offshore equipment, and food manufacturing, these screws provide long-term reliability and reduce maintenance frequency.

Specification Summary & Compliance

This flat head screw features a 10-32 UNF thread size with Class 2A thread fit and fine thread spacing, ensuring precise dimensional accuracy per unified screw thread standards. Manufacturing and quality adhere strictly to ASME B18.6.3 specifications, guaranteeing consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting environmentally responsible procurement.