S-91781A836 10-32 x 1 1/2" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable, long-term fastening performance
• Precision thread engagement through Class 2A thread fit and UNF fine threading, ensuring secure connections in critical assemblies
• Flush mounting capability with standard 82° countersink angle and flat head design for smooth surface finishes
• Broad compliance coverage meeting ASME B18.6.3 specifications plus RoHS 3 and REACH environmental regulations
• Full-threaded design providing maximum grip length and uniform stress distribution along the entire 1-1/2" length
• Tool-friendly installation with slotted drive style for straightforward assembly using standard screwdrivers

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver critical engineering solutions where surface-flush fastening and corrosion resistance are paramount. The combination of 18-8 stainless steel material and passivated finish provides exceptional protection against oxidation and chemical exposure in demanding environments like marine equipment, food processing machinery, and outdoor enclosures. The fine UNF threading with Class 2A fit ensures precise engagement in tapped holes, preventing loosening from vibration while the 82° countersink angle creates seamless integration with mating surfaces. These fully threaded screws distribute clamping force evenly across the entire 1-1/2" length, making them ideal for precision assemblies in aerospace components, electronic chassis, and industrial control systems where reliability cannot be compromised.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 standards with Class 2A thread fit tolerances ensuring consistent quality and interchangeability. The UNF thread form with fine thread spacing provides superior holding power in precision applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental responsibility. Mechanical properties include 80,000 psi tensile strength and Rockwell B80 hardness for dependable performance in demanding fastening scenarios.