S-90485A451 Length 8 mm Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in various environments
• Efficient thread forming design creates permanent, high-strength threads in plastic materials without chips or debris
• Reliable Phillips drive system (No. 2 size) ensures secure installation and prevents cam-out during assembly
• Optimized flat head profile with 90° countersink angle provides flush mounting and clean finished appearance
• Full threading along 8mm length delivers maximum grip strength and uniform load distribution
• Precision M3.5 metric sizing with 1.57mm thread pitch ensures consistent performance and interchangeability
• Environmental compliance assurance meets RoHS 3 and REACH regulations for safe, sustainable manufacturing

Professional Applications & Engineering Value

These M3.5 TRS tapping screws are specifically engineered for plastic fastening applications where reliability and material integrity are paramount. The 18-8 stainless steel construction provides excellent corrosion resistance while the thread forming design eliminates the risk of plastic cracking or stress concentration common with traditional cutting screws. The Phillips flat head configuration allows for seamless integration into plastic assemblies, creating clean, flush surfaces without protrusions. With fully threaded design and blunt tip, these screws distribute clamping force evenly, preventing material damage while maintaining secure connections in plastic components across automotive, electronics, and consumer goods industries. The precise 1.57mm thread pitch ensures optimal engagement with plastic materials, delivering vibration-resistant joints that withstand thermal cycling and mechanical stress.

Specification Summary & Compliance

This metric TRS tapping screw features M3.5 diameter with 8mm length and standard thread forming profile. The screw maintains precise dimensional accuracy with 1.57mm thread pitch and is designed for use with No. 34 drill bits (0.111" diameter). Manufacturing complies with industry standards for flat head screws including 90° countersink angle and No. 2 Phillips drive specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in various industrial applications.