S-90096A311 8-32 x 5/8" 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, extending service life in demanding industrial environments
- Excellent thread-cutting performance in aluminum, brass, cast iron, and sheet metal without pre-tapping requirements
- High-torque installation capability with external hex drive design for secure fastening and reduced tool slippage
- Enhanced load distribution through integrated flange design, preventing surface damage and improving joint integrity
- Reliable coarse thread engagement with UNC 8-32 threading for faster installation and vibration resistance
- Full-length threading ensures maximum grip length and consistent holding power throughout the fastener
- Industry-standard compliance with ASME B18.6.3 specifications guarantees dimensional accuracy and performance reliability
Professional Applications & Engineering Value
These zinc-plated steel tapping screws with UNC coarse thread configuration deliver exceptional value in metal fabrication and assembly operations. The thread-cutting design (Type F) eliminates the need for separate tapping operations in aluminum, brass, cast iron, and sheet metal applications, significantly reducing installation time and labor costs. The combination of external hex drive and flanged design provides superior torque transmission while distributing clamp load over a wider surface area, preventing material deformation in thin-gauge metals. This fully threaded construction ensures maximum thread engagement in variable material thicknesses, making these industrial fasteners ideal for high-vibration environments where maintaining joint integrity is critical.
Specification Summary & Compliance
These 8-32 UNC coarse thread screws maintain precise dimensional tolerances as specified in ASME B18.6.3 standards (referencing SAE J933). The zinc-plated steel construction provides reliable corrosion protection while meeting RoHS 3 (2015/863/EU) compliance for environmental safety. With a 5/8" length and No. 8 screw size, these thread cutting screws are engineered for use with No. 26 drill bits (0.147" diameter) to ensure proper hole preparation and optimal thread engagement in various metal substrates.
