S-91644A315 Length 1" 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
- Corrosion-resistant 18-8 stainless steel construction ensures long-term durability in harsh environments, reducing replacement costs.
- Integrated flat washer with stainless steel/rubber composition distributes load evenly and provides a secure, vibration-resistant seal.
- External hex drive design allows for high torque application with standard tools, speeding up installation.
- Thread forming tapping method creates strong, permanent threads in sheet metal without pre-tapping, saving labor and time.
- Fully threaded shank maximizes grip and holding power across the entire length for reliable fastening in 0.025" sheet metal.
- Precise No. 14-10 thread with 10 threads per inch offers excellent pull-out resistance and alignment in compatible 5.5mm drill holes.
- Right-hand threading and pointed tip facilitate easy, self-starting insertion, minimizing setup errors.
Professional Applications & Engineering Value
This No. 14 hex washer tapping screw is engineered to address common challenges in sheet metal fabrication, such as material fatigue and corrosion. Made from 18-8 stainless steel, it resists rust and chemical exposure, ideal for outdoor or humid settings. The thread forming design eliminates the need for separate nuts or tapped holes, reducing assembly steps and enhancing joint integrity in thin-gauge metals up to 0.025". With an external hex drive, it withstands high torque during installation, preventing stripping and ensuring consistent performance in HVAC, automotive, and enclosure applications. The combination of a flat washer and fully threaded body provides superior clamping force, minimizing loosening from vibrations.
Specification Summary & Compliance
This screw adheres to standard inch measurements with a No. 14 thread diameter (0.242") and 10 threads per inch, ensuring compatibility with common 5.5mm drill bits. It features a fully threaded, right-hand thread design and is manufactured from 18-8 stainless steel for consistent quality. The product complies with industry specifications for thread forming tapping screws (Type A/AB) and is suitable for use in accordance with general engineering standards, supporting reliable performance in sheet metal applications.
