S-90064A738 Length 2 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
- Eliminates pre-drilling requirements with integrated drilling tip that penetrates up to 0.175" steel and sheet metal
- Superior corrosion resistance through zinc-plated steel construction for extended service life in industrial environments
- Enhanced torque transmission with external hex drive design that prevents stripping during high-torque installation
- Secure fastening distribution via flanged head design that eliminates the need for separate washers
- Reliable thread formation using BSD thread forming technology that creates strong, vibration-resistant connections
- Full-length threading ensures maximum grip and holding power across the entire 2-1/2" length
- Optimized for production efficiency with right-hand threads and standard No. 10-16 specifications for compatibility with common tools
Professional Applications & Engineering Value
These zinc-plated steel tapping screws solve critical challenges in metal fabrication and assembly operations. The thread forming design creates precise mating threads in steel and sheet metal without chip removal, preventing contamination in sensitive electrical or mechanical systems. The flanged hex head provides superior clamping force distribution while the No. 3 drilling tip eliminates secondary drilling operations, significantly reducing installation time in high-volume manufacturing. Engineered specifically for steel and sheet metal applications, these BSD screws maintain structural integrity under vibration and load stress, making them ideal for automotive, HVAC, and industrial equipment assembly where reliability is paramount.
Specification Summary & Compliance
Manufactured to precise No. 10-16 thread specifications with 16 TPI and 0.19" thread diameter, these screws maintain Class 2A tolerance standards for consistent performance. The fully threaded right-hand design and external hex drive comply with industrial fastening specifications, while the zinc-plated steel construction meets corrosion resistance requirements for general industrial use. The thread forming tapping method and BSD screw type ensure compatibility with standard installation equipment and procedures.
