S-90390A141 8-32 x 3/4" 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
- Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
- Maximum torque transfer and reduced cam-out with T15 Torx drive system for secure, efficient installations
- Excellent material compatibility with thread-cutting Type F design that creates strong threads in aluminum, brass, cast iron, and sheet metal
- Precision 82° countersink angle ensures flush mounting and professional finish in various applications
- Optimized drill bit compatibility with 0.147" diameter for precise hole preparation and secure fastening
- Reliable UNC coarse threading provides superior holding power and resistance to vibration loosening
- Full 3/4" threading delivers maximum engagement strength across the entire fastener length
Professional Applications & Engineering Value
These 8-32 UNC zinc-plated steel tapping screws are engineered to solve critical fastening challenges in metalworking and manufacturing applications. The thread-cutting Type F design eliminates the need for pre-tapped holes, significantly reducing installation time and labor costs while creating precise, durable threads in aluminum, brass, cast iron, and sheet metal substrates. The T15 Torx drive system prevents tool slippage and damage to fastener heads, ensuring consistent torque application and reducing assembly line downtime. With their 82° countersink angle and standard flat head profile, these screws provide flush mounting solutions that maintain surface integrity while the zinc-plated finish offers essential corrosion protection for extended service life in industrial environments.
Specification Summary & Compliance
These inch-system fasteners feature 8-32 UNC coarse threads with standard Class 2A tolerances and fully threaded right-hand configuration. Manufactured to Type F tapping screw standards with precision 82° countersink angle and compatible with 0.147" (No. 26) drill bits. The screws are RoHS 3 (2015/863/EU) Compliant, ensuring environmental regulatory compliance for global manufacturing applications.
