S-90096A308 8-32 x 5/16" 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 thread-cutting capability for reliable fastening in tough materials like aluminum, brass, cast iron, and sheet metal without pre-tapped holes.
- Corrosion-resistant zinc-plated steel construction extends service life in demanding industrial environments.
- External hex drive design ensures high torque application and secure installation with common tools.
- Coarse UNC threading and full threading provide faster installation and stronger holding power in various substrates.
- Integrated flange distributes clamping force evenly, reducing the risk of material damage and improving joint integrity.
- Compliance with ASME B18.6.3 standards guarantees consistent quality, dimensional accuracy, and performance reliability.
- RoHS 3 compliance ensures environmental safety and meets global regulatory requirements for hazardous substances.
Professional Applications & Engineering Value
This 8-32 UNC thread cutting tapping screw is engineered to address common fastening challenges in metalworking and assembly. Its thread-cutting design (Type F) and coarse thread spacing enable easy penetration and secure fastening in materials like aluminum, brass, cast iron, and sheet metal, eliminating the need for separate tapping operations and reducing labor time. The zinc-plated steel material offers excellent durability and corrosion resistance, ideal for industrial settings where exposure to moisture or chemicals is a concern. Paired with an external hex drive and flanged feature, it ensures efficient installation and stable load distribution, preventing loosening under vibration. This screw is a reliable choice for heavy-duty fastening in machinery, automotive, and construction applications, enhancing productivity and joint longevity.
Specification Summary & Compliance
This screw features a No. 8 size with 8-32 UNC coarse threads, fully threaded for maximum grip, and complies with ASME B18.6.3 specifications (referencing SAE J933) for dimensional accuracy and performance. It is designed for use with a No. 26 drill bit (0.147" diameter) and meets RoHS 3 (2015/863/EU) compliance, ensuring it is free from hazardous substances. The zinc-plated finish and steel material provide reliable corrosion resistance and strength, suitable for diverse industrial fastening needs.
