S-90279A153 6-32 x 1" ASME B18.6.3 Steel Round Head Phillips 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 of 60,000 psi ensures reliable fastening under significant mechanical stress
• Rockwell B69 hardness provides excellent durability and resistance to wear during installation
• Fully threaded UNC coarse thread design delivers maximum grip and holding power in various materials
• Class 2A thread fit guarantees consistent, precise engagement while allowing for easier assembly
• Phillips drive with No. 2 size enables efficient installation with standard industrial tools
• Rounded head profile offers a finished appearance while minimizing snagging risks

Professional Applications & Engineering Value

These zinc-plated steel screws with UNC coarse threading are engineered to address critical industrial fastening challenges. The combination of 60,000 psi tensile strength and Rockwell B69 hardness ensures reliable performance in high-stress applications, from machinery assembly to electrical enclosures. The fully threaded design maximizes surface contact for superior pull-out resistance, while the Phillips drive system provides efficient installation without cam-out issues. The zinc plating offers essential corrosion protection, making these rounded head screws ideal for manufacturing, automotive, and construction applications where durability and regulatory compliance are paramount.

Specification Summary & Compliance

Manufactured to precise Class 2A thread fit tolerances with UNC coarse thread specifications (6-32 size, 0.138" diameter). Fully compliant with ASME B18.6.3 manufacturing standards, ensuring dimensional accuracy and performance reliability. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for safe industrial use worldwide.