S-90096A444 3/8"-16 x 1" ASME B18.6.3, SAE J933 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 zinc-plated steel construction, extending service life in demanding industrial environments
- Enhanced installation efficiency through thread-cutting F-type design that forms perfect mating threads in ductile materials
- Maximum torque transmission with external hex drive and serrated locking flange preventing loosening under vibration
- Broad material compatibility specifically engineered for aluminum, brass, cast iron and sheet metal applications
- Reliable coarse threading with UNC 3/8"-16 configuration providing excellent pull-out resistance
- Integrated flange design eliminates need for separate washers while distributing clamping force evenly
- Full 1-inch threading ensures maximum engagement depth for superior holding strength
Professional Applications & Engineering Value
This flanged tapping screw delivers exceptional value in metal fabrication and assembly operations where vibration resistance and corrosion protection are critical. The zinc-plated steel construction combined with thread-cutting F-type design enables direct installation into pre-drilled holes (R drill bit, 0.339" diameter) without tapping operations, significantly reducing assembly time in aluminum, brass, cast iron and sheet metal applications. The serrated locking flange beneath the external hex head bites into material surfaces, creating permanent anti-rotation security that withstands extreme vibration environments. This engineered solution eliminates the need for separate washers while providing superior clamping force distribution across wider surface areas.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications SAE J933, ensuring dimensional accuracy and performance reliability. Features UNC 3/8"-16 coarse threads with fully threaded 1-inch length and blunt tip design. Compliant with RoHS 3 (2015/863/EU) environmental regulations, making these screws suitable for global industrial applications requiring strict material restrictions.
