S-99461A947 Length 20 mm Tapping Screws
Tapping Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in demanding environments
- Efficient thread forming action creates strong, permanent threads in plastic materials without pre-tapping
- Optimized torque transfer with No. 1 Phillips drive design prevents cam-out and ensures secure installation
- Prevents material damage thanks to blunt tip design that eliminates cracking or splitting in plastic components
- Full threading capability provides maximum holding power across the entire 20mm length for reliable assemblies
- Precision metric sizing with M3 diameter and 1.34mm pitch ensures perfect fit and consistent performance
- Environmental compliance ready meeting RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
These M3 thread forming screws are specifically engineered for plastic assembly applications where traditional fastening methods often cause material failure. The TRS (Thread Rolling Screw) design with 1.34mm pitch creates precise, strong threads through cold forming rather than cutting, eliminating chips and reducing stress concentrations that lead to cracking. The 18-8 stainless steel construction provides excellent corrosion resistance while maintaining the ductility needed for effective thread forming. The combination of No. 1 Phillips drive and rounded pan head delivers optimal clamping force distribution, making these metric tapping screws ideal for electronics enclosures, automotive trim, and consumer products where plastic integrity is critical.
Specification Summary & Compliance
These fully threaded M3 screws feature precise metric dimensions with 20mm length and standard thread form for consistent performance. Manufactured to industry standards for thread forming applications in plastic materials, with recommended drill size No. 41 (0.096"). The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance for industrial fastening solutions.
