S-91783A621 3/8"-16 x 1/2" ASME B18.6.3 Stainless Steel Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and passivated finish for long-lasting performance in harsh environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for heavy-duty applications
• Reliable thread engagement with Class 2A thread fit ensuring consistent assembly and vibration resistance
• Optimized for industrial use featuring UNC coarse threads for faster installation and reduced cross-threading risk
• Full compliance assurance meeting ASME B18.6.3 standards for dimensional accuracy and performance reliability
• Complete threading coverage along the entire 1/2" length for maximum grip and load distribution
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance for safe usage across industries

Professional Applications & Engineering Value

This 3/8"-16 UNC Rounded Head Slotted Screw delivers critical engineering advantages where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel construction with passivated finish provides exceptional protection against chemical exposure and atmospheric corrosion, making it ideal for marine, food processing, and chemical plant applications. The fully threaded design ensures maximum thread engagement across the entire fastener length, distributing clamp loads evenly while preventing joint loosening under vibration. With coarse UNC threads and Class 2A thread fit, installation is accelerated while maintaining precise tolerances for repetitive assembly operations. These rounded head slotted screws offer reliable performance in machinery, equipment manufacturing, and structural assemblies where high tensile strength and regulatory compliance are non-negotiable requirements.

Specification Summary & Compliance

This fastener maintains precise Class 2A thread fit tolerances with UNC coarse thread specification (3/8"-16) and right-hand threading. Manufacturing conforms to ASME B18.6.3 standards for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety.