S-91775A703 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 finish, extending service life in demanding industrial environments
- Efficient thread forming action creates strong, permanent threads in sheet metal without chip removal
- Optimized Phillips No. 2 drive provides secure tool engagement and reduces cam-out during installation
- Full threading with pointed tip ensures quick starting and smooth penetration through materials
- Precision oval head design offers a finished appearance while maintaining proper countersink alignment
- Reliable performance in thin materials with maximum 0.025" drilling thickness capability
- Comprehensive regulatory compliance meets RoHS 3 and REACH standards for global manufacturing requirements
Professional Applications & Engineering Value
These No. 8 thread forming tapping screws deliver exceptional value in sheet metal assembly applications where reliable fastening is critical. The Black-Oxide Steel construction provides enhanced corrosion protection, while the thread forming design (A/AB type) creates durable, vibration-resistant connections by displacing material rather than cutting it. This eliminates chip-related issues in electrical enclosures, HVAC systems, and metal fabrication. The fully threaded configuration with 15 threads per inch ensures maximum grip length, and the 82° countersink angle allows the oval head to sit flush for both functional and aesthetic requirements in finished products.
Specification Summary & Compliance
These precision tapping screws feature a 0.164" thread diameter with right-hand threading and are designed for use with a No. 29 drill bit (0.136" diameter). The screws maintain standard inch system measurements and thread forming tapping method specifications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet international standards for restricted substances and chemical safety in industrial applications.
