S-90087A839 2-56 x 7/16" ASME B18.6.3, SAE J933 Tapping Screws
Tapping 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 corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in harsh industrial environments.
- Effortless installation thanks to the thread-cutting Type F design, which eliminates the need for pre-tapped holes in materials like aluminum and brass.
- Secure, reliable fastening with coarse UNC threading and full threading along the 7/16" length, providing excellent holding power in sheet metal and cast iron.
- Wide material compatibility for use in aluminum, brass, cast iron, and sheet metal, reducing inventory needs for diverse applications.
- Enhanced torque transmission with Phillips No. 1 drive and rounded pan head, minimizing cam-out and speeding up assembly processes.
- Industry-standard compliance meeting ASME B18.6.3 and SAE J933 specifications, ensuring consistent quality and interchangeability.
- Optimized drill bit pairing with recommended No. 48 drill bit (0.076" diameter), simplifying hole preparation and reducing installation errors.
Professional Applications & Engineering Value
These 2-56 UNC tapping screws are engineered to address common challenges in metalworking and assembly, such as the need for reliable fastening without pre-threaded holes. Made from zinc-plated steel, they resist rust and wear, making them ideal for aluminum, brass, cast iron, and sheet metal applications in automotive, HVAC, and machinery sectors. The thread-cutting Type F design with coarse spacing ensures quick, secure installation, reducing labor time and the risk of material fatigue. Combined with a Phillips No. 1 drive and blunt tip, these screws deliver consistent performance in high-vibration environments, enhancing structural integrity and reducing maintenance needs for B2B clients.
Specification Summary & Compliance
This product adheres to UNC coarse thread standards with a size of 2-56, featuring a thread diameter of 0.086" and full threading for precise fits. Manufactured to ASME B18.6.3 and SAE J933 specifications, it ensures dimensional accuracy and reliability. The zinc-plated finish supports RoHS and REACH compliance, providing a safe, durable solution for industrial use.
