S-90286A316 Length 1 1/4" Tapping Screws

Tapping Screws

0439FA00039 Tapping Screws
0439FA00039 Tapping Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0439FA00039
Equivalent to mcmaster :
90286A316

Basic Information

Tapping Screw Type A
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 3/8"
Head Height 0.24"

Dimensions

Length 1 1/4"
Flange Diameter 0.52"
Shank Cross Section Round

Thread Parameters

Screw Size No. 14
Thread Diameter 0.242"
Approximate Threads per Inch 10
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style External Hex/Slotted
Drill Bit Size 5.5 mm
Drill Bit Diameter 0.2165"
Tapping Method Thread Forming

Temperature & Environment

For Use In Sheet Metal
REACH Compliant
RoHS Compliant

Installation & Application

Maximum Drilling Thickness 0.025"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior vibration resistance through thread forming technology that creates permanent, secure connections in sheet metal
  • Enhanced load distribution with integrated 0.52" flange that prevents pull-through and reduces stress concentrations
  • Quick installation and removal with 3/8" external hex head design for easy tool access and high torque capability
  • Optimal material engagement with fully threaded design and pointed tip for smooth penetration and maximum holding power
  • Precision fit for 0.025" sheet metal with recommended 5.5mm drill bit size ensuring proper thread formation
  • Reliable performance in demanding environments with RoHS 3 and REACH compliance for industrial safety standards
  • Reduced assembly time with self-tapping capability that eliminates the need for separate tapping operations

Professional Applications & Engineering Value

These No. 14-10 thread forming tapping screws deliver exceptional value in sheet metal applications where vibration resistance and permanent fastening are critical. The Type A thread forming design displaces material rather than cutting it, creating stronger threads that resist loosening under dynamic loads. The combination of flanged hex head construction provides both superior clamping force and tool engagement, making them ideal for HVAC systems, electrical enclosures, and metal fabrication where reliable sheet metal fastening is essential. The fully threaded configuration ensures maximum engagement throughout the material thickness, while the pointed tip facilitates accurate starting position and smooth penetration without pre-tapped holes.

Specification Summary & Compliance

This thread forming tapping screw features a No. 14 size with 10 threads per inch and right-hand threading. The inch system fasteners measure 1-1/4" in length with a 3/8" hex head and 0.52" flange diameter. Manufactured as Type A tapping screws with external hex/slotted drive style, these screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they meet the latest environmental and safety standards for industrial applications.

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