S-90287A197 8-32 x 3/4" ASME B18.6.3 Tamper-Resistant One-Way-Drive Steel Round Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Reliable high-strength performance with 60,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Effortless installation with one-way drive design and fully threaded UNC coarse thread profile
• Precise thread engagement with Class 2A thread fit ensuring consistent fastening and vibration resistance
• Broad industrial compliance meeting ASME B18.6.3 standards and RoHS 3/REACH environmental regulations
• Versatile rounded head design providing smooth surface finish and reduced snagging in assembly operations
• Right-hand thread configuration compatible with standard industrial equipment and maintenance procedures

Professional Applications & Engineering Value

These 8-32 UNC zinc-plated steel rounded head screws deliver critical engineering solutions for industrial assembly challenges. The combination of zinc-plated steel material and coarse thread design provides exceptional resistance to corrosion and stripping, particularly valuable in manufacturing equipment, machinery frames, and electrical enclosures where vibration and environmental exposure are concerns. The fully threaded configuration ensures maximum grip length and load distribution, while the rounded head profile eliminates sharp edges that could damage wiring or components. With 60,000 psi tensile strength and standardized ASME B18.6.3 compliance, these screws maintain structural integrity in high-stress applications, reducing maintenance frequency and improving operational reliability across automotive, industrial machinery, and metal fabrication sectors.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with 3/4" length and 0.309" head diameter. Thread specifications include 8-32 UNC coarse thread with Class 2A thread fit for consistent assembly tolerance. Compliant with ASME B18.6.3 manufacturing standards, RoHS 3 (2015/863/EU) hazardous substance restrictions, and REACH (EC 1907/2006) chemical safety regulations, ensuring global regulatory acceptance for industrial procurement.