S-91500A317 6-32 x 2" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B80 hardness for reliable, long-term fastening
• Enhanced durability through passivated surface finish, providing added protection against wear and oxidation
• Precise flush mounting with standard 82° countersink angle and flat head design for seamless, professional installations
• Optimized drive engagement using Phillips No. 2 drive style, ensuring secure torque application and reduced cam-out risk
• Consistent thread performance with Class 2A thread fit and coarse UNC threading for easy alignment and vibration resistance
• Full-length threading across the 2" length enables maximum grip and adjustability in varied material thicknesses

Professional Applications & Engineering Value

These 316 stainless steel flat head screws deliver critical performance in demanding industrial settings where corrosion resistance and structural integrity are paramount. The passivated finish significantly extends service life in moist, acidic, or saline conditions, preventing fastener failure in marine, chemical processing, and outdoor applications. Engineered with UNC coarse threads and Class 2A thread fit, they provide excellent engagement in both soft and hard materials while maintaining consistent clamping force under vibration. The flat head design with 82° countersink ensures flush mounting in precision assemblies, eliminating protrusions that could interfere with moving components or create safety hazards. These fully threaded 6-32 screws offer versatile fastening solutions for equipment manufacturing, structural frameworks, and maintenance operations requiring reliable, corrosion-resistant industrial fasteners.

Specification Summary & Compliance

Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerances ensuring precise dimensional accuracy. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features UNC coarse threading with right-hand direction and standard flat head profile. All dimensions conform to inch system measurements including 2" length, 0.279" head diameter, and 0.083" head height.