S-90410A111 12-24 x 3/8" Tapping Screws
Tapping Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 410 stainless steel construction for extended service life in demanding environments.
- Efficient self-tapping installation with Type F thread cutting design, eliminating the need for pre-tapped holes in materials like brass, cast iron, and sheet metal.
- High-strength, coarse UNC threading provides excellent grip and pull-out resistance in softer base materials.
- Secure and reliable fastening with a Phillips No. 3 drive, ensuring positive torque transfer and reducing cam-out risks.
- Optimized for industrial applications with a fully threaded 3/8" length and blunt tip for consistent, predictable performance.
- Broad material compatibility for use in brass, cast iron, and sheet metal, simplifying inventory for diverse projects.
- Compliant with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global supply chains.
Professional Applications & Engineering Value
These Type F tapping screws are engineered to solve common industrial fastening challenges by combining a thread-cutting design with the durability of 410 stainless steel. The UNC coarse thread and sharp cutting edges allow the screw to form its own mating thread in ductile materials like sheet metal, brass, and cast iron, eliminating the time and cost associated with pre-tapping operations. This is particularly valuable in high-volume assembly lines or maintenance repairs where speed and reliability are critical. The Phillips drive offers a familiar and efficient installation method, while the pan head provides a low-profile, secure clamp. This combination delivers a robust, corrosion-resistant fastening solution that maintains integrity under vibration and load, making it ideal for HVAC systems, electrical enclosures, and machinery assemblies.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards (12-24) with a Class 2A fit for reliable engagement. It is a fully threaded, round shank fastener with a 3/8" length, No. 12 screw size, and is designed for use with a No. 18 drill bit (0.1695" diameter). Manufacturing and material compliance is confirmed with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006).
