S-90077A108 Length 3/8" 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
- Superior corrosion resistance with zinc-plated steel construction, ensuring long-term durability in industrial environments
- Enhanced installation flexibility with dual Phillips/Slotted drive options, accommodating various tool preferences
- Optimal thread engagement through thread forming design that creates strong, permanent connections in sheet metal
- Maximum material penetration with pointed tip and fully threaded shank for secure fastening up to 0.025" thickness
- Reliable head retention thanks to pan head design that provides excellent bearing surface and prevents pull-through
- Industry compliance assurance meeting RoHS 3 and REACH regulations for safe, sustainable manufacturing
- Precision sizing compatibility designed for use with No. 44 drill bit (0.086" diameter) for perfect fit every time
Professional Applications & Engineering Value
This No. 4-24 thread forming screw delivers exceptional performance in sheet metal applications where vibration resistance and permanent fastening are critical. The zinc-plated steel construction provides essential corrosion protection for industrial environments, while the thread forming design eliminates the need for tapping operations by creating strong, precisely-formed threads in parent material. The dual Phillips/Slotted drive system offers installation versatility for production lines with mixed tooling. Engineered with a fully threaded shank and pointed tip, this A/AB tapping screw ensures maximum thread engagement and prevents material displacement during installation, making it ideal for HVAC systems, electrical enclosures, and metal fabrication where reliable, vibration-resistant connections are paramount.
Specification Summary & Compliance
This precision tapping screw features No. 4-24 thread size (0.112" diameter, 24 TPI) with Class 2A thread tolerances and right-hand threading. The pan head design measures 0.219" diameter with standard rounded profile. Manufactured to industry standards for thread forming screws, this fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial applications.
