S-91306A276 10-32 x 1" ASTM F835 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated alloy steel construction, ideal for harsh industrial environments.
• Superior thread engagement and reliability due to Class 3A thread fit, minimizing loosening under vibration.
• High tensile strength of 120,000 psi ensures durable fastening in demanding applications.
• Easy installation and removal with hex drive design, reducing assembly time and tool slippage.
• Precise fine thread spacing provides better load distribution and secure connections.
• Full threading along the 1" length allows for adjustable grip and consistent holding power.
• Compliance with industry standards including ASME B18.3 and ASTM F835, ensuring quality and safety.

Professional Applications & Engineering Value

These 10-32 UNF rounded head screws are engineered to address common industrial challenges, such as vibration-induced loosening and corrosion in machinery assemblies. Made from zinc-plated alloy steel, they offer excellent durability and resistance to environmental factors, making them suitable for automotive, aerospace, and heavy equipment applications. The fine thread spacing and Class 3A thread fit enhance clamping force and precision, while the hex drive simplifies installation in confined spaces. With a Rockwell C39 hardness and high tensile strength, these screws provide reliable performance in high-stress environments, reducing maintenance needs and downtime.

Specification Summary & Compliance

These screws feature a Class 3A thread fit for precise dimensional accuracy, adhering to UNF thread standards with fine spacing. Manufactured in compliance with ASME B18.3 and ASTM F835 specifications, they ensure consistent quality. Additionally, they meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting safe and sustainable industrial use.