S-90276A209 8-32 x 3" ASME B18.6.3 Steel Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Reliable fastening performance with Class 2A thread fit ensuring consistent engagement and vibration resistance
• Optimized strength-to-weight ratio featuring 60,000 psi tensile strength and Rockwell B69 hardness for demanding applications
• Easy installation and removal with standard slotted drive design compatible with common hand tools
• Enhanced load distribution through rounded head profile that minimizes surface damage during tightening
• Versatile partial threading with 1-1/2" minimum thread length providing flexibility for various material thicknesses
• Industry-standard compatibility with 8-32 UNC coarse threads ensuring interchangeability across equipment and assemblies

Professional Applications & Engineering Value

Engineered for industrial durability, these 8-32 UNC coarse thread screws deliver exceptional performance in machinery assembly, electrical enclosures, and structural frameworks. The zinc-plated steel construction provides essential corrosion protection where environmental factors threaten fastener integrity. With partial threading and Class 2A thread fit, these fasteners prevent cross-threading while allowing precise tension control in multi-layer applications. The rounded head profile distributes clamping force evenly, eliminating stress concentration points that can lead to material fatigue. These characteristics make them ideal for maintenance operations, production line equipment, and OEM applications requiring reliable, repeatable fastening solutions that withstand operational stresses.

Specification Summary & Compliance

This 3" length screw features precision 8-32 UNC coarse threads with Class 2A thread fit per ASME standards, ensuring dimensional accuracy and interchangeability. Manufacturing complies with ASME B18.6.3 specifications for dimensional consistency and performance reliability. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety, making them suitable for global industrial supply chains and environmentally conscious manufacturing operations.