S-90275A152 6-32 x 7/8" ASME B18.6.3 Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Exceptional holding power from 60,000 psi tensile strength and Rockwell B70 hardness for reliable fastening under stress
• Optimized thread engagement with Class 2A UNC coarse threads ensuring secure connections and reduced cross-threading risk
• Complete thread coverage with full threading along the 7/8" length for maximum grip and load distribution
• Flush mounting capability with standard 82° countersink angle allowing smooth surface finishes in assembled products
• Industry-standard compliance meeting ASME B18.6.3 specifications for consistent quality and interchangeability
• Environmental responsibility through RoHS 3 and REACH compliance for sustainable manufacturing practices

Professional Applications & Engineering Value

These 6-32 UNC flat head slotted screws deliver critical engineering solutions where surface flushness and structural integrity are paramount. The zinc-plated steel construction provides essential corrosion protection for industrial equipment, electronic enclosures, and machinery assemblies exposed to environmental elements. The coarse UNC threading ensures rapid installation and superior resistance to vibration loosening, while the fully threaded design maximizes pull-out strength across the entire fastener length. The 82° countersink angle enables seamless integration into precision components, eliminating protrusions that could interfere with moving parts or aesthetic requirements. These flat head slotted screws are engineered to maintain clamping force in high-stress applications, from production jigs to automotive assemblies, where reliable fastening solutions prevent operational downtime and maintenance costs.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 standards with Class 2A thread fit tolerances ensuring precise dimensional accuracy and interchangeability. The UNC coarse thread profile maintains consistent engagement while the 82° flat head profile conforms to industry specifications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations confirms adherence to global substance restriction requirements. Mechanical properties include verified 60,000 psi tensile strength and Rockwell B70 hardness, providing documented performance reliability for engineering applications.