S-90434A137 Length 1 1/4" 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 with TRS thread forming design that creates strong, permanent threads without chips or debris
- Enhanced corrosion resistance through zinc-plated steel construction for extended service life in industrial environments
- Optimal flush mounting with standard 82° flat head profile that seats perfectly in plastic applications
- Maximum driving efficiency with Phillips No. 2 drive that provides secure tool engagement and reduces cam-out
- Exceptional pull-out resistance thanks to the Tri-Lobe shank design that increases holding power in plastic materials
- Complete thread engagement with fully threaded 1-1/4" length for consistent fastening performance
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
Professional Applications & Engineering Value
These No. 6 x 1-1/4" zinc-plated steel tapping screws are specifically engineered for plastic fastening applications where traditional fasteners fail. The TRS thread forming technology eliminates the risk of plastic cracking or stress fractures by displacing material rather than removing it, creating stronger thread engagement. The Tri-Lobe shank design provides superior resistance to vibration loosening, making these Phillips flat head screws ideal for automotive trim, electronic enclosures, and industrial plastic assemblies. The 82° countersink angle ensures flush mounting while the zinc-plated steel construction offers reliable corrosion protection in demanding environments.
Specification Summary & Compliance
These thread forming screws feature precise 0.138" thread diameter with 19 threads per inch and 1-1/4" length for consistent performance. Manufactured to industry standards with Class 2A thread tolerances, they ensure proper fit and function in plastic materials. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety requirements for industrial fasteners used in plastic assembly applications.
