S-90276A201 8-32 x 1 1/4" 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 harsh industrial environments
• Exceptional mechanical strength with 60,000 psi tensile strength and Rockwell B69 hardness for reliable heavy-duty performance
• Precision thread engagement with Class 2A thread fit ensuring consistent fastening and vibration resistance
• Optimized installation efficiency through coarse UNC threading and slotted drive design for quick assembly
• Versatile rounded head profile providing smooth surface finish and reduced risk of snagging in applications
• Full thread coverage along the entire 1-1/4" length for maximum grip and load distribution
• Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations for global industrial use

Professional Applications & Engineering Value

These 8-32 UNC coarse thread screws deliver exceptional engineering value in demanding industrial applications where vibration resistance and mechanical reliability are critical. The zinc-plated steel construction provides essential corrosion protection for machinery, electrical enclosures, and automotive assemblies exposed to moisture or chemical environments. The rounded head design with slotted drive offers both aesthetic appeal and practical installation benefits, while the Class 2A thread fit ensures precise mating with corresponding nuts and threaded holes. The combination of 60,000 psi tensile strength and full threading along the 1-1/4" length makes these industrial screws ideal for applications requiring consistent clamping force and vibration resistance, from manufacturing equipment to structural frameworks where fastener integrity cannot be compromised.

Specification Summary & Compliance

This rounded head screw features precision 8-32 UNC coarse threading with Class 2A thread fit tolerance for reliable engagement. Manufacturing and dimensional specifications comply with ASME B18.6.3 standards, ensuring interchangeability and performance consistency. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety, making it suitable for global industrial distribution and use in regulated environments.