S-90288A270 10-32 x 1/4" Tamper-Resistant One-Way-Drive Stainless Steel Round Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance through 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional tensile strength rated at 80,000 PSI ensures reliable, long-lasting fastening under high-stress conditions
• Precision UNF fine threading with Class 2A fit provides secure engagement and vibration resistance in critical assemblies
• Rockwell B96 hardness maintains structural integrity and prevents thread deformation during installation
• One-way drive rounded head design offers tamper-resistant security while maintaining smooth surface profile
• Full threading along 1/4" length enables maximum grip depth and uniform stress distribution
• Regulatory compliance with RoHS 3 and REACH standards ensures environmental responsibility and global market acceptance

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 10-32 UNF rounded head screws solve critical fastening challenges where corrosion resistance and tamper-proof security are paramount. The 18-8 stainless steel base material combined with passivated finish creates a protective oxide layer that withstands chemical exposure and atmospheric corrosion, making them ideal for marine equipment, food processing machinery, and outdoor enclosures. The UNF fine thread configuration with Class 2A tolerance ensures precise mating with tapped holes, preventing loosening in vibration-prone assemblies while the one-way drive system provides permanent installation security for public infrastructure and access-controlled panels. With full threading along the entire shank, these screws distribute clamping force evenly across the engagement length, eliminating stress concentration points that lead to joint failure.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNF thread form ensuring interchangeability with industry-standard components. The 10-32 thread size with fine thread spacing and right-hand direction conforms to established fastening protocols. These rounded head screws maintain compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, making them suitable for global supply chain integration and environmentally conscious manufacturing operations.