S-90096A191 8-32 x 1/4" 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
- Exceptional material penetration through thread cutting design (Type F), enabling reliable fastening in aluminum, brass, cast iron and sheet metal
- Enhanced installation efficiency with dual external hex/slotted drive options, accommodating various tool types for flexible assembly
- Increased holding power from the integrated flange design, providing wider bearing surface and preventing loosening under vibration
- Optimized thread engagement with UNC coarse threading and full-length threads, ensuring secure fastening across the entire screw length
- Precision compatibility with No. 26 drill bit (0.147" diameter), enabling perfect hole matching for optimal thread formation
- Reduced inventory complexity with standardized 8-32 thread size meeting multiple material applications
Professional Applications & Engineering Value
These zinc-plated steel tapping screws deliver exceptional value in metal fabrication and assembly operations. The thread cutting design (Type F) eliminates the need for pre-tapped holes, significantly reducing installation time and labor costs in aluminum, brass, cast iron, and sheet metal applications. The UNC coarse thread configuration provides superior pull-out resistance in softer materials, while the fully threaded construction ensures maximum engagement depth. The combination of external hex/slotted drive offers installation flexibility for both power and manual tools, making these flanged screws ideal for high-volume production environments where reliability and speed are critical.
Specification Summary & Compliance
This 8-32 tapping screw features precise UNC coarse threading with Class 2A tolerance standards, ensuring consistent performance across industrial applications. Manufactured to meet ASME B18.6.3 specifications (SAE J933), these screws guarantee dimensional accuracy and mechanical reliability. The product is fully RoHS 3 (2015/863/EU) compliant, containing no restricted hazardous substances, making them suitable for global manufacturing requirements and environmentally conscious operations.
