S-90286A146 Length 3/8" Tapping Screws

Key Features & Benefits at a Glance

• Superior thread forming capability creates permanent, vibration-resistant threads in sheet metal without requiring pre-tapped holes
• External hex head design provides excellent torque transmission and easy installation with standard wrench tools
• Integrated flange feature distributes clamping pressure evenly, preventing surface damage and improving joint integrity
• Fully threaded construction ensures maximum engagement length for stronger, more reliable connections in thin materials
• Precise drill bit compatibility (No. 32/0.116") enables quick, accurate hole preparation and streamlined assembly processes
• Right-hand threading offers familiar installation direction compatible with standard industrial practices
• Environmental compliance meets RoHS 3 and REACH standards for use in regulated industries and global markets

Professional Applications & Engineering Value

This No. 6-18 TPI hex head tapping screw delivers exceptional performance in sheet metal assembly applications where reliable fastening is critical. The thread forming design eliminates the need for separate tapping operations, significantly reducing installation time and labor costs in high-volume production environments. The external hex drive provides superior torque resistance compared to Phillips or slotted drives, preventing cam-out and ensuring consistent seating in automated or manual assembly lines. With its 0.138" thread diameter and 3/8" length, this fastener is engineered specifically for joining thin gauge materials up to 0.025" thickness, making it ideal for HVAC systems, electronic enclosures, automotive panels, and industrial equipment where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

This thread forming screw features a No. 6-18 thread size with Class 2A tolerance, 1/4" hex head configuration, and fully threaded design. Manufactured to industry standards for Type A tapping screws, it demonstrates precise dimensional accuracy with 0.138" thread diameter and 18 threads per inch. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in electronic, automotive, and industrial applications worldwide.