S-94629A560 Length 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Eliminates pre-drilling requirements with advanced thread cutting technology that creates precise mating threads in plastic materials
• Superior corrosion resistance provided by 410 stainless steel construction for long-term reliability in demanding environments
• Optimized plastic engagement through fully threaded design and 24 TPI configuration for maximum holding power
• Streamlined assembly process with Phillips pan head drive that accommodates standard tools while preventing cam-out
• Environmental compliance assurance with RoHS 3 and REACH compliance for global manufacturing applications
• Precision material compatibility specifically engineered for plastic substrates with recommended No. 41 drill bit sizing
• Enhanced installation control through blunt tip design that prevents material damage during fastening operations

Professional Applications & Engineering Value

These 410 stainless steel tapping screws deliver exceptional engineering value in plastic assembly applications where corrosion resistance and installation efficiency are critical. The thread cutting design eliminates the need for separate tapping operations, significantly reducing assembly time while creating secure, permanent fastening points in thermoplastic and thermoset materials. The Phillips pan head configuration provides reliable drive engagement with standard industrial tools, minimizing stripping and cam-out issues common in high-volume production environments. With fully threaded construction and precise 24 TPI spacing, these screws distribute clamping force evenly across the entire engagement length, preventing stress concentration and material cracking in delicate plastic components. The combination of 410 stainless steel material and specialized thread form ensures consistent performance in automotive trim, electronic enclosures, consumer products, and industrial equipment where plastic-to-plastic or plastic-to-metal fastening is required.

Specification Summary & Compliance

This No. 4-24 x 1/2" tapping screw features inch system measurements with Class 2A thread tolerances and right-hand threading. The screw maintains precise dimensional specifications including 0.112" thread diameter, 24 threads per inch, and standard pan head profile with 0.219" head diameter. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications. The thread cutting design follows standard Type 25/BT specifications for plastic materials with recommended No. 41 drill bit (0.096" diameter) for optimal performance in plastic substrate applications.