S-94559A418 10-32 x 1" Aluminum Oversized-Flange Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Enhanced Load Distribution – Integrated flange design eliminates the need for separate washers, providing superior surface contact and reducing material stress in assemblies.
• High Tensile Strength – 40,000 psi tensile strength ensures reliable performance under mechanical loads, ideal for demanding industrial environments.
• Corrosion-Resistant Material – 6061 Aluminum construction offers excellent durability and lightweight properties, suitable for applications where weight reduction is critical.
• Precision Thread Engagement – Class 2A UNF fine threads deliver consistent, secure fastening with reduced risk of cross-threading in precision components.
• Efficient Installation – 1/8" hex drive allows for quick, tool-compatible installation with high torque transfer, minimizing assembly time.
• Wide Button Head Profile – Rounded, low-profile head design provides a finished appearance while preventing snagging in confined spaces.
• Environmental Compliance – Meets RoHS 3 and REACH standards, ensuring safe use in regulated industries without lead restrictions under exemption 6(b)-II.

Professional Applications & Engineering Value

Engineered for precision fastening in industrial machinery, electronics enclosures, and automotive assemblies, this 6061 aluminum rounded head screw combines lightweight strength with corrosion resistance. The 10-32 UNF fine thread and Class 2A fit ensure vibration-resistant connections in components requiring repeated disassembly. The integrated flange distributes clamping force evenly, protecting sensitive surfaces from damage, while the hex drive facilitates efficient installation in hard-to-reach areas. Ideal for applications demanding RoHS and REACH compliance, this screw addresses needs for durable, environmentally conscious fasteners in OEM and MRO settings.

Specification Summary & Compliance

This screw adheres to UNF thread standards with Class 2A tolerance for precise fit, and is fully threaded for maximum grip. Manufacturing complies with RoHS 3 (2015/863/EU) under exemption 6(b)-II for lead in aluminum alloys, and REACH (EC 1907/2006) SVHC requirements as of January 2023. Dimensions include 1" length, 0.19" thread diameter, and 0.75" flange diameter, with material hardness of Rockwell B40.