S-90628A333 12-24 x 1 1/2" 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
- Superior corrosion resistance with specialized coating to extend service life in harsh industrial environments
- Efficient thread-forming design creates permanent, secure threads without pre-tapping for faster assembly
- Integrated sealing washer provides reliable moisture and dust protection at fastener points
- Self-drilling tip eliminates need for pre-drilling holes, reducing installation time by up to 1/2" thickness
- External hex drive delivers maximum torque transmission and prevents stripping during installation
- Full threading ensures consistent holding power along the entire screw length
- RoHS 3 compliance meets international environmental standards for safe industrial use
Professional Applications & Engineering Value
This 12-24 UNC thread forming tapping screw delivers exceptional performance in steel and sheet metal applications where vibration resistance and environmental sealing are critical. The corrosion-resistant coated steel construction withstands exposure to moisture and industrial chemicals, while the thread-forming CSD design creates stronger thread engagement than conventional fasteners. The combination of drilling tip technology and integrated sealing washer eliminates multiple installation steps, reducing labor costs and preventing leakage points in HVAC systems, electrical enclosures, and metal fabrication. The external hex drive ensures reliable torque application in high-volume production environments, making it ideal for assembly lines requiring consistent, repeatable fastening performance.
Specification Summary & Compliance
Manufactured to precise UNC coarse thread standards with Class 2A thread tolerances for consistent fit and performance. Features fully threaded No. 12 screw with 1-1/2" length and 0.216" thread diameter. The steel/rubber flat washer (0.563" OD) provides enhanced sealing capability. Compliant with RoHS 3 (2015/863/EU) environmental regulations for industrial applications requiring restricted substance control.
