S-90585A632 3/8"-16 x 2" 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, ideal for harsh industrial environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
• Precision thread engagement with Class 3A fit and UNC coarse spacing ensuring reliable, vibration-resistant connections
• Optimized installation efficiency featuring 7/32" hex drive for secure tool engagement and standard 82° countersink angle for flush mounting
• Full-threaded design providing maximum grip length and load distribution across the entire fastener
• Regulatory compliance assurance meeting ASME B18.3 standards for dimensional accuracy and RoHS 3/REACH environmental regulations
• Dimensional consistency with controlled head diameter tolerance (-0.061" to 0") ensuring uniform performance in assembly operations

Professional Applications & Engineering Value

These 316 stainless steel flat head screws deliver critical performance advantages in demanding industrial applications where corrosion resistance and mechanical reliability are paramount. The combination of UNC coarse threading with Class 3A fit provides superior vibration resistance in heavy machinery, marine equipment, and chemical processing systems. The passivated finish enhances the natural corrosion resistance of 316 stainless steel, making these fully threaded screws ideal for harsh environments where exposure to moisture, chemicals, or extreme temperatures would compromise ordinary fasteners. The flat head design with 82° countersink ensures flush mounting in precision assemblies while the hex drive configuration allows for high-torque installation without cam-out issues.

Specification Summary & Compliance

Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit for precision assembly. Features UNC coarse thread (3/8"-16) with full threading along the 2" length. Dimensional tolerances include head diameter control (-0.061" to 0") and standard 82° countersink angle. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use worldwide.