S-90935A143 Length 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel coating, extending service life in demanding industrial environments
• Superior thread-forming capability creates permanent, vibration-resistant connections in sheet metal up to 0.025" thickness
• Optimized Phillips No. 2 drive ensures secure tool engagement and reduces cam-out during installation
• Full threading with pointed tip enables faster starts and consistent penetration throughout the material
• Precision #6-18 thread profile delivers maximum holding power with 18 threads per inch for reliable fastening
• Standard pan head design provides a low-profile finish while maintaining adequate bearing surface
• Regulatory compliance assurance meets RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

Engineered specifically for sheet metal fastening applications, these black-oxide steel tapping screws utilize advanced thread forming technology to create durable, permanent connections without requiring pre-tapped holes. The fully threaded design with pointed tip ensures rapid penetration and consistent thread engagement throughout the material thickness, while the Phillips drive system provides reliable installation torque control. Ideal for HVAC systems, electronic enclosures, and automotive components, these #6-18 screws deliver exceptional pull-out resistance and vibration durability in materials up to 0.025" maximum thickness, making them essential for precision industrial fastening applications where reliability is critical.

Specification Summary & Compliance

This tapping screw features precision #6-18 thread specifications with 0.138" thread diameter and 18 TPI configuration, designed for use with No. 32 drill bit (0.116" diameter). Manufactured to industry standards for thread forming tapping screws (Type A/AB), the fastener demonstrates consistent dimensional accuracy and mechanical performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets while maintaining the corrosion-resistant properties of the black-oxide steel finish.