S-90077A240 Length 3/8" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Exceptional holding power through fully threaded design that maintains secure fastening in materials up to 0.025" thickness
• Versatile installation options with combined Phillips/Slotted drive that accommodates multiple tool types and user preferences
• Reliable thread-forming capability with A/AB tapping screw design that creates strong, permanent threads without pre-tapping
• Optimized for sheet metal applications featuring pointed tip and 12 threads per inch for smooth penetration and secure fastening
• Enhanced grip and distribution with standard pan head profile that provides excellent bearing surface and prevents over-tightening
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

Engineered specifically for sheet metal applications, these zinc-plated steel tapping screws solve critical fastening challenges in metal fabrication and assembly. The thread-forming design eliminates the need for pre-tapped holes, reducing installation time and labor costs while creating stronger, more reliable threads that resist loosening under vibration. The Phillips/Slotted combination drive provides installation flexibility for various production environments, while the fully threaded configuration ensures maximum engagement and pull-out resistance in thin materials. Ideal for HVAC systems, electronic enclosures, automotive components, and industrial equipment where secure sheet metal fastening is essential for structural integrity and long-term performance.

Specification Summary & Compliance

This No. 10-12 x 3/8" tapping screw features precise 0.19" thread diameter with 12 threads per inch and right-hand threading following standard industrial specifications. The screw meets Class 2A thread tolerances for reliable fit and performance. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industries. Designed for use with No. 21 drill bit (0.159" diameter), this A/AB type thread-forming screw delivers consistent performance in sheet metal up to 0.025" thickness.