S-92210A849 3/4"-10 x 3 1/2" 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, ensuring long-term reliability in harsh environments
• Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding industrial applications
• Precise Class 3A thread fit providing secure, vibration-resistant fastening with UNC coarse threading for quick assembly
• Optimized flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
• Enhanced installation efficiency through 1/2" hex drive design enabling high-torque application without slippage
• Full threading coverage across the 3-1/2" length ensuring maximum grip and load distribution
• Regulatory compliance assurance meeting ASME B18.3 standards and environmental regulations including RoHS 3 and REACH

Professional Applications & Engineering Value

These 3/4"-10 UNC flat head screws deliver critical engineering solutions where corrosion resistance and structural integrity are paramount. The 18-8 stainless steel composition with passivated finish provides exceptional protection against chemical exposure and atmospheric corrosion, making them ideal for marine equipment, food processing machinery, and outdoor structural applications. The Class 3A thread fit ensures precise engagement with mating components, eliminating play and maintaining joint integrity under dynamic loads. The hex drive design accommodates high installation torque requirements while the 82° countersink enables flush mounting in precision-machined surfaces. These fully threaded fasteners distribute clamping forces evenly across their entire 3-1/2" length, preventing stress concentration and material deformation in critical assemblies.

Specification Summary & Compliance

Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit tolerance for superior engagement. Features UNC coarse threading (3/4"-10) with full threading along the 3-1/2" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include 70,000 psi tensile strength and Rockwell B55 hardness, ensuring reliable performance in industrial fastening applications.