S-99397A412 Length 4 mm Tapping Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Superior torque transmission through Torx Plus IP8 drive system, minimizing cam-out and tool wear
• Maximum holding power in plastic materials achieved through tri-lobe shank design that creates secure, vibration-resistant threads
• Reliable thread forming performance with blunt tip and full threading for consistent installation without material cracking
• Optimized for plastic assembly applications with precise M2.63 diameter and 4mm length for space-constrained designs
• Industry-compliant manufacturing meeting RoHS 3 and REACH environmental standards for global supply chain compatibility
• Simplified installation process with recommended No. 43 drill bit size for precise hole preparation and optimal thread engagement

Professional Applications & Engineering Value

This M2.63 TRS tapping screw delivers exceptional engineering value in plastic assembly applications where traditional fasteners often fail. The zinc-plated steel construction provides essential corrosion protection while maintaining the necessary strength for durable connections. The innovative tri-lobe shank design and thread forming technology work synergistically to displace plastic material during installation, creating strong, permanent threads without the risk of material stress cracking common with sharp-tipped alternatives. The Torx Plus IP8 drive system ensures maximum torque transfer, reducing installation time and preventing fastener damage in high-volume production environments. Engineered specifically for plastic components in electronics, automotive interiors, and consumer products, this screw maintains dimensional stability and clamping force even under thermal cycling and vibration exposure.

Specification Summary & Compliance

This precision metric tapping screw features M2.63 diameter with 4mm length and 1.06mm thread pitch in right-hand orientation. Manufactured to exacting standards with fully threaded configuration and blunt tip for optimal thread forming performance in plastic substrates. The screw complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial applications worldwide. Compatible with No. 43 drill bit (0.089" diameter) for proper hole preparation and secure fastening in various plastic materials.