S-94629A230 Length 5/8" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 410 Stainless Steel construction, ensuring long-lasting performance in demanding industrial environments.
• Efficient thread cutting action with Type 25/BT design creates strong, reliable threads in plastic materials without pre-tapping.
• Optimized drive engagement through Phillips No. 2 drive style provides secure torque transmission and reduces cam-out risks.
• Complete thread coverage with full-length 18 TPI threading delivers maximum holding power across the entire fastener length.
• Precision installation control with blunt tip design prevents material splitting and ensures accurate placement in plastic components.
• Broad compatibility with standard No. 26 drill bits (0.147" diameter) for straightforward integration into existing assembly processes.
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industrial applications.

Professional Applications & Engineering Value

These 410 Stainless Steel tapping screws solve critical fastening challenges in plastic assembly applications where material integrity and joint reliability are paramount. The thread cutting Type 25/BT design eliminates the need for separate tapping operations, significantly reducing assembly time and labor costs while creating strong, permanent threads in various plastic substrates. The Phillips pan head configuration provides excellent bearing surface for secure fastening without sinking into softer plastic materials. With full threading and 18 TPI density, these screws distribute clamping force evenly, preventing stress concentration points that can lead to plastic cracking or failure. The combination of stainless steel durability and precision thread cutting performance makes these fasteners ideal for automotive trim, electronic enclosures, consumer products, and industrial equipment where vibration resistance and long-term reliability in plastic components are essential.

Specification Summary & Compliance

This No. 8 x 5/8" tapping screw features precise inch system dimensions including 0.164" thread diameter, 18 TPI thread pitch, and standard Class 2A thread tolerances. Manufactured to Type 25/BT thread cutting specifications for plastic applications, the screw demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The Phillips No. 2 drive system ensures compatibility with standard industrial drivers, while the pan head design with 0.322" diameter provides optimal clamping surface for plastic fastening applications.