S-90910A515 8-32 x 1/2" ASME B18.3, ASTM F835 Steel Button Head Torx Plus Screws
Steel Button Head Torx Plus Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior torque transmission with Torx Plus IP15 drive, reducing cam-out and tool wear for reliable fastening in repetitive industrial use.
- Exceptional tensile strength of 120,000 psi ensures high load-bearing capacity and resistance to mechanical failure in demanding applications.
- Enhanced corrosion resistance provided by zinc plating on alloy steel, extending service life in various environmental conditions.
- Precise Class 3A thread fit guarantees secure, vibration-resistant connections with minimal risk of loosening.
- Rockwell C39 hardness offers excellent durability and wear resistance, maintaining fastener integrity under stress.
- Fully threaded 8-32 UNC coarse spacing allows for deeper engagement and faster installation in coarse materials.
- Compliance with ASME B18.3, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for safe, reliable use.
Professional Applications & Engineering Value
These 8-32 UNC Torx Plus zinc-plated alloy steel rounded head screws are engineered to address common industrial challenges such as vibration-induced loosening and corrosion. The Torx Plus IP15 drive minimizes slippage, enabling higher torque application without damaging the drive recess, which is critical in assembly lines requiring consistent fastening. Made from alloy steel with zinc plating, they resist rust and wear, making them ideal for machinery, automotive, and electronics where exposure to moisture or chemicals occurs. The Class 3A thread fit and coarse thread spacing ensure quick, secure installations in metals and plastics, reducing assembly time and improving joint reliability. By meeting ASME B18.3 standards, these screws deliver predictable performance in high-stress environments, enhancing overall engineering efficiency and safety.
Specification Summary & Compliance
This product features precise 8-32 UNC threads with Class 3A fit and coarse spacing, ensuring tight tolerances for reliable fastening. Manufacturing adheres to ASME B18.3 specifications (referencing ASTM F835), with compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and material restrictions are met.
