S-90033A225 Length 1 1/2" Tapping Screws
Tapping Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Superior corrosion resistance with black-oxide steel construction for extended service life in demanding industrial environments
- Efficient thread forming technology creates strong, permanent threads in sheet metal without chip removal
- Optimal flush mounting with standard 82° flat head profile that sits perfectly countersunk in sheet metal applications
- Enhanced driving efficiency through No. 2 Phillips drive design that minimizes cam-out and improves installation speed
- Maximum material penetration with fully threaded design and pointed tip for secure fastening up to 0.025" thickness
- Reliable thread engagement with precise 0.164" diameter and 15 TPI right-hand threads for consistent performance
- Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements
Professional Applications & Engineering Value
These black-oxide steel tapping screws deliver exceptional value in sheet metal fabrication and assembly operations. The thread forming technology eliminates the need for pre-tapped holes, reducing installation time and labor costs while creating stronger thread engagements that resist vibration loosening. The A/AB tapping screw type with fully threaded design ensures maximum pull-out resistance in thin materials, making them ideal for HVAC systems, electrical enclosures, and automotive panels. The 82° countersink angle provides a clean, flush finish that meets aesthetic requirements while the black-oxide surface treatment offers enhanced corrosion protection in industrial environments, extending service life and reducing maintenance frequency.
Specification Summary & Compliance
This No. 8 x 1-1/2" tapping screw features precise 0.164" thread diameter with 15 TPI right-hand threads and standard flat head profile. Manufactured to industry standards for thread forming applications in sheet metal with No. 29 drill bit compatibility (0.136" diameter). Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global manufacturing operations and electronic applications.
