S-90286A205 Length 2" Tapping Screws

Tapping Screws

0439FA00014 Tapping Screws
0439FA00014 Tapping Screws

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

Part No.
Part No. 0439FA00014
Equivalent to mcmaster :
90286A205

Basic Information

Tapping Screw Type A
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1/4"
Head Height 0.141"

Dimensions

Length 2"
Flange Diameter 0.348"
Shank Cross Section Round

Thread Parameters

Screw Size No. 8
Thread Diameter 0.164"
Approximate Threads per Inch 15
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style External Hex/Slotted
Drill Bit Size No. 29
Drill Bit Diameter 0.136"
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 pre-tapping, reducing assembly steps and labor costs
  • Flanged hex head design provides wider bearing surface for enhanced load distribution and prevents pull-through in thin materials
  • External hex/slotted drive combination offers versatile installation options with standard tools while resisting cam-out
  • Precise No. 29 drill bit compatibility ensures optimal hole sizing for maximum thread engagement and holding power
  • Fully threaded shank delivers consistent clamping force along the entire fastener length for uniform stress distribution
  • RoHS 3 and REACH compliance guarantees environmental responsibility and global regulatory acceptance for international projects
  • 0.025" maximum drilling thickness capability makes it ideal for standard gauge sheet metal applications across various industries

Professional Applications & Engineering Value

This No. 8-15 thread forming screw delivers exceptional performance in sheet metal assemblies where vibration resistance and permanent fastening are critical. The thread forming design displaces material rather than removing it, creating zero clearance fits that won't loosen under dynamic loads. The flanged hex head eliminates the need for separate washers while providing superior clamp load distribution, preventing material deformation in thin-gauge applications. With 15 threads per inch and 0.164" thread diameter, this fastener achieves optimal balance between thread engagement strength and installation torque requirements. The fully threaded 2" length ensures maximum holding power across multiple material thicknesses, making it ideal for HVAC systems, electrical enclosures, automotive panels, and industrial equipment where reliable metal-to-metal fastening is essential.

Specification Summary & Compliance

This Type A thread forming tapping screw features a No. 8 screw size with 0.164" thread diameter and 15 threads per inch in right-hand direction. The fastener includes a 1/4" hex head width with 0.141" head height and 0.348" flange diameter. Manufactured to precise dimensional standards with fully threaded configuration and pointed tip for easy starting. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial applications.

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