S-98273A215 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
- Self-tapping efficiency - Thread cutting design eliminates the need for pre-tapped holes, reducing installation time and labor costs in brass, cast iron, and sheet metal.
- Superior corrosion resistance - Made from 410 stainless steel to withstand harsh environments and prevent rust, ensuring long-term reliability.
- Optimized drive engagement - Phillips No. 2 drive provides secure torque transfer and reduces cam-out risk for consistent fastening.
- Enhanced material compatibility - UNC coarse threads and blunt tip design minimize material stress and cracking in brittle substrates like cast iron.
- Full-threaded holding power - 100% threading along the 1/4" length delivers maximum grip strength and vibration resistance.
- Regulatory compliance assurance - Meets RoHS 3 and REACH standards for safe use in regulated industrial applications.
- Precision sizing - Compatible with standardized No. 26 drill bits (0.147") for accurate hole preparation and secure fits.
Professional Applications & Engineering Value
These 8-32 UNC thread cutting screws solve critical fastening challenges in metalworking and fabrication. The Type 23/T tapping method and coarse thread spacing allow the screw to form precise internal threads in brass, cast iron, and sheet metal without pre-threading, eliminating tapping operations and reducing assembly costs. The 410 stainless steel construction provides excellent tensile strength and corrosion resistance, ideal for outdoor equipment, machinery, and HVAC systems. The Phillips pan head offers a low-profile, flush finish while the blunt tip prevents material splitting. These features make these tapping screws essential for high-volume production lines where durability, speed, and compliance with industrial standards are paramount.
Specification Summary & Compliance
Manufactured to UNC Class 2A thread standards with right-hand orientation and fully threaded shank. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations. Designed for use with No. 26 drill bits (0.147" diameter) and compatible with standard UNC 8-32 thread specifications.
