S-90380A301 Length 7/8" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Excellent thread-forming capability in plastic materials due to tri-lobe shank design, reducing installation torque and preventing material stress
• Secure fastening with full threading along the 7/8" length, ensuring maximum holding power and vibration resistance
• Efficient installation with Phillips No. 2 drive, providing reliable torque transfer and reducing cam-out risks
• Optimized for plastic applications with blunt tip and TRS thread design, minimizing cracking and ensuring clean thread formation
• Regulatory compliance with RoHS 3 and REACH standards, meeting global environmental and safety requirements for industrial use
• Precise fit with 0.19" thread diameter and 14 TPI, ensuring consistent performance with recommended No. 15 drill bit

Professional Applications & Engineering Value

These No. 10 x 7/8" zinc-plated steel TRS tapping screws are engineered specifically for plastic assembly applications, where traditional fasteners often cause material failure. The tri-lobe shank cross-section displaces plastic material during installation, creating strong, permanent threads without generating internal stresses that lead to cracking. Combined with the thread forming design and blunt tip, these screws eliminate the need for pre-tapped holes, streamlining production in automotive trim, electronic enclosures, and consumer products. The zinc-plated finish provides essential corrosion protection in humid or outdoor environments, while the Phillips drive ensures compatibility with standard industrial tools. This combination delivers reliable, vibration-resistant fastening that maintains integrity in plastic components throughout the product lifecycle.

Specification Summary & Compliance

These thread forming screws feature a No. 10 size with 7/8" length, 0.19" thread diameter, and 14 threads per inch with full threading. The TRS (Thread Rolling Screw) type with tri-lobe shank is designed for use in plastic materials with recommended No. 15 drill bit (0.18" diameter). Manufactured to industry standards for tapping screws, these fasteners are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they meet current environmental and safety requirements for industrial distribution and use.