S-93878A193 8-32 x 3/8" 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
- Efficient thread-forming installation creates precise mating threads without pre-tapping, reducing assembly time and labor costs
- Maximum drive torque transmission through Phillips No. 2 drive design, minimizing cam-out and tool slippage during installation
- Broad material compatibility for reliable fastening in steel, aluminum, brass, cast iron, and sheet metal applications
- Optimized pan head design provides excellent bearing surface while maintaining a low-profile appearance
- Full-length threading ensures consistent holding power along the entire fastener length
- Regulatory compliance assurance with RoHS 3 and REACH standards for global market acceptance
Professional Applications & Engineering Value
These zinc-plated steel tapping screws deliver exceptional performance in metal fabrication and assembly operations. The thread-forming SW type design eliminates the need for separate tapping operations, significantly reducing installation time and production costs. The UNC coarse thread pattern provides rapid installation while maintaining strong holding power in various base materials including steel, aluminum, and sheet metal. The combination of Phillips drive and pan head configuration ensures reliable torque transmission and flush mounting in confined spaces. These industrial-grade fasteners are engineered to prevent cross-threading and material deformation, making them ideal for high-volume manufacturing environments where consistency and reliability are paramount.
Specification Summary & Compliance
Manufactured to precise dimensional standards with UNC Class 2A thread tolerances and fully threaded configuration. The 8-32 thread size with coarse spacing and 3/8" length provides optimal engagement strength. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Designed for use with drill bit size 23 (0.154" diameter) and features right-hand thread direction with blunt tip for controlled penetration in thread-forming applications.
