S-91781A825 10-32 x 1/4" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws
Stainless Steel Slotted Flat Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
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 load-bearing performance
- Precise thread engagement with Class 2A thread fit and UNF fine threads ensuring secure fastening and vibration resistance
- Flush mounting capability featuring an 82° countersink angle and undercut flat head design for seamless surface integration
- Full threading along 1/4" length provides maximum grip and uniform stress distribution in assembled components
- Standard-compliant manufacturing per ASME B18.6.3 guarantees dimensional accuracy and interchangeability
- Environmentally responsible compliance with RoHS 3 and REACH regulations for safe usage in regulated industries
Professional Applications & Engineering Value
Engineered for demanding applications, these 10-32 UNF flat head screws in 18-8 stainless steel address critical industrial challenges. The passivated finish significantly enhances corrosion resistance in moist or chemical-exposed settings, while the undercut flat head profile and 82° countersink angle ensure a flush fit that prevents snagging and improves aerodynamics in machinery and enclosures. With a fine thread spacing and Class 2A thread fit, they deliver superior clamping force and vibration resistance in precision assemblies such as aerospace components, electronic housings, and automotive systems. The fully threaded design maximizes contact area, distributing stress evenly to prevent joint failure under dynamic loads.
Specification Summary & Compliance
This screw maintains Class 2A thread fit tolerance per UNF standards, ensuring precise engagement. Manufacturing adheres to ASME B18.6.3 specifications for dimensional consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances for safe industrial use.
