S-90399A194 Length 1/2" Tapping Screws
Tapping Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance with black-oxide steel construction, ideal for demanding industrial environments.
- Superior holding power through thread-forming design that creates strong, permanent threads in sheet metal without pre-tapping.
- Increased load distribution with integrated flat steel washer, preventing surface damage and improving joint integrity.
- Efficient installation using standard No. 2 Phillips drive, reducing tool slippage and assembly time.
- Optimized for thin materials with pointed tip and 0.164" diameter, designed for maximum 0.025" drilling thickness in sheet metal applications.
- Reliable thread engagement with 15 TPI right-hand threads and full threading for consistent performance in A/AB type applications.
- Compliance assurance meeting RoHS 3 and REACH regulations, ensuring environmental and safety standards are met.
Professional Applications & Engineering Value
These No. 8 Phillips truss head tapping screws deliver exceptional value in sheet metal assembly by addressing common installation challenges. The thread-forming tapping method eliminates the need for separate tapping operations, reducing labor costs and potential cross-threading issues. The black-oxide steel material provides a durable barrier against oxidation in industrial settings, while the truss head design with integrated flat washer offers wider bearing surface to prevent pull-through in thin-gauge materials. Engineered with 0.164" diameter threads and 15 TPI configuration, these fasteners maintain precise thread engagement in sheet metal applications up to 0.025" thickness, ensuring vibration resistance and long-term joint integrity.
Specification Summary & Compliance
Manufactured to precise dimensional standards with 0.164" thread diameter and 15 threads per inch configuration. Features right-hand threads with thread-forming A/AB type design for sheet metal applications. Compatible with No. 29 drill bit (0.136" diameter) for proper installation. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in various industrial sectors.
