S-90283A081 2-56 x 1/2" ASME B18.6.3 Steel Pan Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Optimized installation efficiency through coarse UNC threading and Class 2A fit ensuring smooth engagement
• Enhanced durability with Rockwell B60 hardness providing reliable resistance to wear and deformation
• Maximum grip strength from fully threaded design maintaining consistent fastening along the entire 1/2" length
• Broad compatibility with standard slotted drivers for convenient installation across various applications
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards
• Secure fastening performance with rounded pan head design distributing clamp load effectively

Professional Applications & Engineering Value

Engineered for precision industrial applications, these zinc-plated steel screws deliver exceptional corrosion protection where environmental exposure is a concern. The 2-56 UNC coarse thread configuration ensures rapid installation and reliable performance in metal assemblies, electronics, and machinery components. With fully threaded design and Rockwell B60 hardness, these pan head slotted screws maintain structural integrity under vibration and load stress. The standardized Class 2A thread fit guarantees consistent mating with corresponding nuts and threaded holes, reducing assembly time while preventing cross-threading issues in high-volume manufacturing environments.

Specification Summary & Compliance

This screw features precision Class 2A thread fit per UNC standards with 1/2" length and coarse thread spacing. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for industrial use.