S-90286A293 Length 5/8" Tapping Screws

Tapping Screws

0439FA00027 Tapping Screws
0439FA00027 Tapping Screws

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

Part No.
Part No. 0439FA00027
Equivalent to mcmaster :
90286A293

Basic Information

Tapping Screw Type A
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 0.313"
Head Height 0.194"

Dimensions

Length 5/8"
Flange Diameter 0.432"
Shank Cross Section Round

Thread Parameters

Screw Size No. 12
Thread Diameter 0.216"
Approximate Threads per Inch 11
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style External Hex/Slotted
Drill Bit Size 3/16"
Drill Bit Diameter 0.1875"
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 thread forming capability creates strong, permanent threads in sheet metal without chips, reducing assembly time and improving joint integrity.
  • Robust hex head design combined with a slotted drive offers versatile tool compatibility and high torque transmission for secure fastening.
  • Integrated flange provides a larger bearing surface, distributing clamp load effectively and eliminating the need for a separate washer.
  • Fully threaded, pointed tip ensures easy starting and rapid installation into pre-drilled 3/16" holes, speeding up production lines.
  • Precision-engineered dimensions (0.216" thread diameter, 11 TPI) deliver reliable performance and consistent fit in sheet metal applications up to 0.025" thickness.
  • Compliant with RoHS 3 and REACH regulations, ensuring environmental safety and suitability for global industrial supply chains.

Professional Applications & Engineering Value

This No. 12 thread forming tapping screw is engineered to solve common challenges in sheet metal assembly, where vibration resistance and material integrity are critical. The Type A thread forming design displaces material to create a zero-clearance fit, significantly enhancing pull-out strength and resistance to loosening under dynamic loads. The external hex/slotted head provides flexibility for both power and manual tools, streamlining workflows in HVAC, electronics enclosures, and automotive panels. Made with a pointed tip and full threading, it ensures quick alignment and deep engagement, reducing installation errors and improving overall structural durability in thin-gauge metal applications.

Specification Summary & Compliance

This screw features a right-hand thread with a diameter of 0.216" and approximately 11 threads per inch, adhering to standard inch system tolerances for reliable interchangeability. It is designed as a thread forming Type A tapping screw with a flange diameter of 0.432" and a length of 5/8". The product is manufactured to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety standards for industrial use.

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