S-90086A669 8-32 x 3/8" 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
- Self-tapping design eliminates the need for pre-tapped holes, reducing installation time and labor costs in aluminum, brass, cast iron, and sheet metal applications.
- Black-oxide steel construction provides enhanced corrosion resistance and durability for long-lasting performance in demanding industrial environments.
- 8-32 UNC coarse threads ensure rapid, secure fastening with high pull-out strength, ideal for softer materials and high-vibration applications.
- Flat head with 82° countersink angle allows for a flush, professional finish that minimizes snagging and improves safety in assembled products.
- Phillips No. 2 drive offers widespread tool compatibility and efficient torque transfer for consistent, reliable installation.
- Fully threaded shank maximizes grip length and load distribution across the entire fastener for superior holding power.
- Industry compliance with ASME B18.6.3 and RoHS 3 standards guarantees consistent quality, dimensional accuracy, and environmental safety.
Professional Applications & Engineering Value
These Type F thread cutting screws are precision-engineered to solve common assembly challenges in metalworking and manufacturing. The Black-Oxide Steel material, combined with the UNC coarse thread profile, creates strong, permanent threads in materials like aluminum, brass, cast iron, and sheet metal without requiring pre-threaded holes. This eliminates tapping operations, reduces component inventory, and speeds up production lines. The 82° countersink angle and flat head design ensure a seamless fit that resists loosening under vibration, making these tapping screws ideal for enclosures, machinery, and automotive components where reliability is critical.
Specification Summary & Compliance
This fastener features a 3/8" length with 8-32 UNC coarse threads and a standard flat head profile. It is designed for use with a No. 26 drill bit (0.147" diameter) and manufactured to ASME B18.6.3 specifications (referencing SAE J933) for dimensional consistency and performance. The product is RoHS 3 (2015/863/EU) Compliant, ensuring it meets strict environmental regulations for hazardous substance restrictions.
