S-90190A251 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 zinc-plated steel construction, extending service life in industrial environments
- Efficient thread-forming design creates permanent, vibration-resistant threads in sheet metal without pre-tapping
- Optimized Phillips No. 2 drive provides secure tool engagement and reduces cam-out during installation
- Full-length threading ensures maximum grip and holding power across the entire 1-1/2" length
- Standard pan head profile offers excellent bearing surface for secure fastening in sheet metal applications
- Precision No. 10-12 thread pitch delivers reliable performance with 12 threads per inch for consistent engagement
- Compliance assurance meets RoHS 3 and REACH environmental standards for safe industrial use
Professional Applications & Engineering Value
These zinc-plated steel thread forming screws solve critical fastening challenges in sheet metal applications where vibration resistance and material integrity are paramount. The A/AB tapping screw type with its pointed tip and thread forming design displaces material rather than removing it, creating stronger threads that won't loosen under stress. The Phillips pan head configuration provides excellent drive torque transmission while the full threading ensures complete engagement through varying material thicknesses. Engineered for use with No. 21 drill bits (0.159" diameter), these screws deliver reliable performance in metal fabrication, HVAC systems, electrical enclosures, and industrial equipment assembly where durable, corrosion-resistant fastening solutions are essential.
Specification Summary & Compliance
These No. 10 tapping screws feature a 0.19" thread diameter with 12 threads per inch and Class 2A thread tolerances for consistent performance. The thread forming tapping method complies with standard industrial specifications for sheet metal fastening applications. Manufacturing and material composition fully adhere to RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety standards are met for industrial distribution and use.
