S-92210A315 10-32 x 2" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• Precise thread engagement with Class 3A UNF fine threads ensuring reliable, vibration-resistant fastening in critical applications
• High tensile strength performance rated at 70,000 psi with Rockwell B55 hardness for demanding mechanical assemblies
• Secure flush mounting featuring standard 82° countersink angle and flat head design for smooth surface finishes
• Efficient installation with 1/8" hex drive providing positive torque transmission and reduced tool slippage
• Full-threaded reliability along the entire 2" length for maximum grip and load distribution
• Regulatory compliance meeting ASME B18.3 specifications with RoHS 3 and REACH environmental standards

Professional Applications & Engineering Value

Engineered for precision industrial applications, these 10-32 UNF Class 3A flat head screws deliver exceptional performance in machinery, electronic enclosures, and structural assemblies. The 18-8 stainless steel material combined with passivated finish provides superior protection against chemical exposure and atmospheric corrosion, significantly reducing maintenance costs in manufacturing environments. The fine thread spacing and Class 3A thread fit ensure minimal backlash and superior vibration resistance, critical for dynamic load conditions. The hex drive design allows for high-torque installation without cam-out, while the 82° countersink angle enables seamless flush mounting in precision-machined components. These fully threaded screws maintain consistent clamping force across the entire 2" length, making them ideal for thick-section assemblies where uniform stress distribution is essential.

Specification Summary & Compliance

This flat head screw features precision 10-32 UNF threads with Class 3A fit (tighter tolerance than Class 2A) for superior thread engagement. Manufacturing complies with ASME B18.3 standards ensuring dimensional consistency and interchangeability. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for industrial components. Critical dimensions include 0.19" thread diameter, 0.411" head diameter, and standardized 82° countersink angle for proper seating in matched countersunk holes.