S-91255A014 1-72 x 1/8" ASTM F835 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black-oxide coating, ideal for harsh industrial environments
• Superior tensile strength of 120,000 psi ensures reliable performance under high-stress applications
• Precise Class 3A thread fit guarantees secure fastening and vibration resistance in fine-thread assemblies
• Fully threaded design provides maximum grip and load distribution across the entire length
• Compact 1/8" length and rounded button head offers low-profile installation in space-constrained applications
• Hex drive compatibility (0.050") enables easy installation with standard tools while preventing cam-out
• Compliance with ASME B18.3 and ASTM F835 standards ensures consistent quality and interchangeability

Professional Applications & Engineering Value

Engineered for precision assemblies requiring fine thread engagement and reliable performance, these black-oxide alloy steel screws solve critical challenges in electronics, aerospace, and medical device manufacturing. The UNF thread form with Class 3A fit provides superior resistance to loosening under vibration, while the rounded head profile minimizes protrusion in compact designs. The fully threaded construction ensures uniform stress distribution, making them ideal for applications where high tensile strength (120,000 psi) and corrosion resistance are paramount. Their compliance with RoHS 3 and REACH regulations makes them suitable for global supply chains and environmentally sensitive applications.

Specification Summary & Compliance

This screw features precise 1-72 UNF fine threads with Class 3A fit for exacting tolerance requirements. Manufactured to ASME B18.3 and ASTM F835 specifications, it guarantees dimensional consistency and mechanical performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in restricted substance-controlled applications.