S-90203A527 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
- Eliminates pre-drilling with integrated No. 3 drill tip that penetrates up to 0.187" thick steel, stainless steel, and sheet metal, saving significant labor time and cost.
- Superior corrosion resistance provided by 410 Stainless Steel material, ensuring long-term reliability in demanding industrial environments.
- High-strength, permanent threads created by the BSD thread forming design, which displaces material for a tighter, more vibration-resistant fit than cut threads.
- Efficient installation and high torque capability from the square drive and pan head combination, preventing cam-out and allowing for secure, fast driving.
- Full 1-1/2" length threading offers maximum grip and holding power across the entire fastener length for a secure connection.
- Compliance with major environmental regulations including RoHS 3 and REACH, ensuring they are safe for use in regulated industries and global supply chains.
Professional Applications & Engineering Value
These No. 12 self-drilling screws are engineered to solve the common industrial challenge of joining thin metals without pre-punched holes. The 410 Stainless Steel construction provides the necessary hardness for the No. 3 drill tip to penetrate up to 0.187" of material while resisting rust. The BSD thread forming action cold-forms the mating threads in the substrate, creating a stronger connection that is less prone to loosening under vibration compared to traditional thread-cutting screws. This makes them an indispensable tapping screw for assembly lines in HVAC, metal fabrication, and automotive industries, where speed, strength, and durability in steel, stainless steel, and sheet metal applications are critical.
Specification Summary & Compliance
This fastener is a No. 12 size, 1-1/2" long screw with a right-hand thread and approximately 14 threads per inch. It features a pan head with a square drive (No. 3 size) and is fully threaded. The screw is manufactured to be compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.
