S-93882A191 8-32 x 1/4" 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
- Strong corrosion resistance with zinc-plated steel construction, ensuring durability in demanding industrial environments.
- Superior holding power through thread forming design, creating secure, vibration-resistant fastenings without pre-tapped holes.
- Versatile material compatibility for use in steel, aluminum, brass, cast iron, and sheet metal applications.
- Easy installation and removal with external hex/slotted drive, accommodating various tools for efficient assembly.
- Enhanced load distribution from the flanged head, reducing surface pressure and preventing material damage.
- Reliable coarse UNC threading providing quick engagement and strong performance in coarse-grained materials.
- Full threading along the shank maximizes grip length for consistent clamping force across the entire fastener.
Professional Applications & Engineering Value
This 8-32 UNC thread forming screw is engineered to address common challenges in metal assembly, such as stripping threads and loosening under vibration. Made from zinc-plated steel, it resists rust and corrosion, extending service life in harsh conditions. The thread forming (SW type) design displaces material to form strong, precise threads, eliminating the need for pre-tapped holes and reducing installation time. Ideal for steel, aluminum, brass, cast iron, and sheet metal, it ensures reliable fastening in automotive, machinery, and construction applications. The flanged hex head provides a larger bearing surface, distributing load evenly to prevent surface damage and maintain joint integrity under stress.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with a size of 8-32 and full threading for consistent performance. It is manufactured to precise dimensions, including a 1/4" length and 1/4" head width, ensuring compatibility with standard tools and No. 26 drill bits (0.146" diameter). Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety standards for industrial use, providing assurance of quality and reliability in global supply chains.
