S-92186A851 3/4"-10 x 4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial and marine environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress
• Optimized load distribution through partial threading design, reducing stress concentration and material usage
• Precise thread engagement with Class 2A thread fit ensuring consistent, vibration-resistant connections
• Quick installation and removal with external hex drive and 1 1/8" head width for standard wrench compatibility
• Enhanced durability with coarse UNC threads that resist stripping and cross-threading in demanding applications
• Regulatory compliance assurance meeting ASME B18.2.1, RoHS 3, and REACH standards for quality and environmental safety

Professional Applications & Engineering Value

This 3/4"-10 UNC hex head screw delivers critical engineering solutions where corrosion resistance and structural integrity are paramount. The 316 stainless steel composition provides exceptional protection against chemical exposure and saltwater environments, making it ideal for marine equipment, chemical processing plants, and coastal infrastructure. The coarse thread design ensures reliable performance in high-vibration applications, while the partial threading optimizes clamp load distribution across connected components. With 70,000 psi tensile strength and external hex drive, this industrial fastener withstands extreme mechanical stresses while enabling efficient installation in confined spaces. Engineers specify this heavy-duty hex bolt for structural connections, machinery assembly, and infrastructure projects requiring long-term reliability under demanding conditions.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit with UNC coarse threads (3/4"-10) and 4" length with minimum 1 3/4" thread length. Manufactured to ASME B18.2.1 specifications with Rockwell B70 hardness and 70,000 psi tensile strength. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications while meeting international quality standards for inch-system fasteners.