S-90064A380 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
- Corrosion-resistant zinc plating extends service life in demanding industrial environments
- Self-drilling tip design eliminates pre-drilling requirements, reducing installation time and labor costs
- Thread forming BSD technology creates stronger, vibration-resistant threads in steel and sheet metal
- External hex head with flange provides superior torque transmission and increased bearing surface
- Full threading along 1-1/2" length ensures maximum grip and uniform stress distribution
- Precision 18 TPI thread profile delivers optimal engagement and pull-out resistance
- Compliance with RoHS 3 and REACH standards guarantees environmental safety and regulatory acceptance
Professional Applications & Engineering Value
These No. 8 zinc-plated steel tapping screws are engineered specifically for steel and sheet metal applications where drilling and fastening operations must be completed in a single step. The integrated self-drilling tip (No. 2 type) penetrates up to 0.098" thickness without pilot holes, significantly reducing assembly time in high-volume production environments. The thread forming BSD design creates precise, cold-formed threads that resist loosening under vibration while maintaining material integrity. The external hex drive with flange provides excellent torque transmission during installation and distributes clamping force effectively across joined surfaces. These tapping screws deliver reliable performance in HVAC systems, electrical enclosures, automotive components, and structural metal assemblies where durability and installation efficiency are critical.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread tolerances, these screws feature a No. 8 size (0.164" thread diameter) with 18 TPI right-hand threading. The BSD tapping screw type follows industry-standard thread forming specifications for metal applications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures these fasteners meet the latest industrial safety and substance restriction requirements for global manufacturing applications.
