S-90385A192 Length 3/8" ASME B18.6.3 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 plastic retention through thread forming design that creates strong, permanent threads without chipping or cracking materials
- Enhanced corrosion resistance with zinc-plated steel construction for long-term reliability in various environments
- Optimized drive efficiency with Phillips No. 2 drive that prevents cam-out and ensures secure installation
- Reduced assembly stress with blunt tip design that minimizes material displacement during installation
- Consistent performance through fully threaded shank providing maximum thread engagement along entire length
- Wide compatibility with standard No. 30 drill bit (0.1285") for simplified hole preparation
- Secure fastening solution with 18 TPI precision threading that delivers excellent pull-out resistance in plastic applications
Professional Applications & Engineering Value
These No. 8 x 3/8" zinc-plated steel DST thread forming screws are specifically engineered to address common challenges in plastic assembly applications. The thread forming technology creates strong, permanent threads in plastic materials without generating chips or causing stress fractures that can compromise structural integrity. The zinc-plated steel construction provides essential corrosion protection while maintaining the strength required for demanding industrial environments. With their 18 TPI precision threading and Phillips No. 2 drive, these screws deliver reliable installation performance and exceptional holding power in thermoplastics, composites, and other plastic substrates commonly used in automotive, electronics, and consumer goods manufacturing.
Specification Summary & Compliance
These thread forming screws for plastic feature a 0.164" thread diameter with 18 TPI threading and are manufactured to ASME B18.6.3 specifications for dimensional accuracy and performance reliability. The product is fully RoHS 3 (2015/863/EU) compliant, ensuring environmental responsibility and regulatory adherence. The pan head design with Phillips No. 2 drive provides optimal torque transmission, while the 3/8" length and fully threaded configuration ensure maximum engagement in plastic assemblies requiring No. 8 screw size fasteners.
