S-90276A204 8-32 x 1 3/4" 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 demanding environments
• High-tensile strength performance rated at 60,000 psi ensures reliable fastening under substantial loads
• Excellent thread engagement with Class 2A fit UNC coarse threads for quick installation and vibration resistance
• Optimized drive compatibility featuring standard slotted drive for broad tool accessibility
• Full-threaded design provides maximum grip length and uniform stress distribution
• Enhanced durability with Rockwell B69 hardness maintaining structural integrity through repeated use
• Regulatory compliance assurance meeting ASME B18.6.3 standards for consistent quality and performance

Professional Applications & Engineering Value

These 8-32 UNC zinc-plated steel rounded head slotted screws deliver critical engineering solutions for industrial assembly challenges. The combination of coarse threading and Class 2A thread fit ensures rapid installation while maintaining secure fastening in vibration-prone equipment. The zinc-plated steel construction provides essential corrosion protection for machinery, electrical enclosures, and outdoor applications where environmental exposure is a concern. With full threading along the 1-3/4" length, these screws distribute clamping force evenly across the entire engagement area, preventing joint failure in heavy-duty assemblies. The rounded head profile with slotted drive offers both aesthetic appeal and practical tool access for maintenance operations across manufacturing, automotive, and construction sectors.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit tolerance and UNC coarse thread profile. Fully compliant with ASME B18.6.3 specifications for dimensional accuracy and performance requirements. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for restricted substances. Thread specifications include right-hand direction, #8-32 UNC thread size with 0.164" diameter, and standardized rounded head geometry with 0.309" diameter and 0.12" height.