S-90286A296 Length 1" Tapping Screws

Tapping Screws

0439FA00029 Tapping Screws
0439FA00029 Tapping Screws

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

Part No.
Part No. 0439FA00029
Equivalent to mcmaster :
90286A296

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 1"
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 performance creates durable, vibration-resistant threads in sheet metal without requiring pre-tapped holes
  • Integrated flange design eliminates the need for separate washers while providing increased bearing surface and improved load distribution
  • External hex head with slotted drive offers versatile installation options compatible with multiple tool types for flexible assembly operations
  • Fully threaded pointed tip ensures easier starting and faster driving while maintaining maximum thread engagement throughout the entire length
  • Precision-engineered dimensions with 0.216" diameter and 11 TPI provide optimal thread engagement strength for reliable sheet metal fastening
  • Environmental compliance assurance meets RoHS 3 and REACH standards for use in regulated industries and international markets
  • Optimized drill bit pairing with 3/16" diameter ensures proper hole preparation for maximum material thickness capacity of 0.025"

Professional Applications & Engineering Value

These No. 12-11 thread forming tapping screws deliver exceptional value in sheet metal applications where reliable fastening is critical. The Type A thread forming design displaces material rather than removing it, creating stronger threads with improved resistance to vibration loosening. The hex head with external drive provides superior torque transmission compared to Phillips heads, reducing cam-out during installation. The flanged construction distributes clamping force over a wider area, minimizing sheet metal distortion while providing a finished appearance. These fully threaded screws with pointed tips ensure quick alignment and smooth driving, significantly reducing assembly time in high-volume manufacturing environments where efficiency directly impacts production costs.

Specification Summary & Compliance

This thread forming tapping screw features a No. 12 size with 11 threads per inch and 1" length, manufactured to standard inch dimensions with precise Class 2A thread tolerances. The Type A thread forming design follows established industry standards for sheet metal fastening applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and market accessibility. The screw requires a 3/16" (0.1875") drill bit for proper installation in materials up to 0.025" thickness, with the flanged hex head design providing optimal clamping performance.

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