S-90935A137 Length 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel coating for extended service life in demanding industrial environments
• Effortless installation through thread forming technology that creates strong, permanent threads without pre-tapping
• Maximum driving efficiency with Phillips No. 1 drive that prevents cam-out and ensures secure fastening
• Complete thread engagement with fully threaded design for superior holding power across the entire fastener length
• Optimized for sheet metal applications with pointed tip design that easily penetrates materials up to 0.025" thickness
• Reliable performance with A/AB tapping screw specification ensuring consistent thread formation in various materials
• Environmental compliance meeting RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

These black-oxide steel tapping screws are engineered specifically for sheet metal fabrication and assembly applications where reliable fastening is critical. The thread forming technology eliminates the need for separate tapping operations, reducing installation time and labor costs while creating stronger thread engagement than traditional cutting screws. The fully threaded design ensures maximum pull-out resistance, making them ideal for securing thin gauge materials where vibration resistance is essential. The Phillips pan head provides a low-profile finish that sits flush against surfaces, while the pointed tip facilitates quick starting and alignment. These industrial-grade tapping screws deliver consistent performance in HVAC systems, electrical enclosures, automotive components, and machinery assemblies where durability and compliance with environmental standards are mandatory requirements.

Specification Summary & Compliance

This No. 4-24 x 3/4" tapping screw features precision right-hand threads with 24 threads per inch and 0.112" thread diameter, manufactured to A/AB tapping screw standards for reliable performance. The fastener is designed for use with No. 44 drill bits (0.086" diameter) and accommodates maximum drilling thickness of 0.025". All specifications comply with industry standards for thread forming screws, and the product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental responsibility and regulatory adherence for industrial applications.