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  • TFA microPEM FLEXTACK FASTENERS
The Bellville washer shaped head of the microPEM® FlexTack™ fastener is designed to increase vertical installation tolerance in designs.

  • Alternative to using micro-screws, eliminating the need to tap or use threaded inserts.
  • Installation time to simply press the part in (1.5 seconds) is less than the time to thread a screw in equals less total installed cost.
  • The Belleville-shaped head allows for stack-up tolerance relief in a design.
  • Eliminates the following:

    • - Cost of screw, patch to prevent loosening, threaded insert or tapped hole and driver bits
    - Cost of rework due to cross-threading or driver bit “cam-out”
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Part #

Top Sheet Thickness

Base Panel Min. Sheet Thickness

Top Sheet Hole Size ± 0.05mm/± .002in

Base Panel Hole Size -0.05mm/ -.002in

A ± 0.025mm/±.001in

Min. Dist. Hole C/L to Edge

CAD

N/A 0.18 to 0.28 mm.007 to .011 in N/A 0.89 mm.035 in N/A 1.47 mm.058 in N/A 1.02 mm.040 in N/A 0.67 mm.026 in N/A 1 mm.039 in N/A CAD Icon (for items table)
N/A 0.28 to 0.38 mm.011 to .015 in N/A 0.89 mm.035 in N/A 1.47 mm.058 in N/A 1.02 mm.040 in N/A 0.77 mm.030 in N/A 1 mm.039 in N/A CAD Icon (for items table)
N/A 0.38 to 0.48 mm.015 to .019 in N/A 0.89 mm.035 in N/A 1.47 mm.058 in N/A 1.02 mm.040 in N/A 0.87 mm.034 in N/A 1 mm.039 in N/A CAD Icon (for items table)
N/A 0.48 to 0.58 mm.019 to .023 in N/A 0.89 mm.035 in N/A 1.47 mm.058 in N/A 1.02 mm.040 in N/A 0.97 mm0.38 in N/A 1 mm.039 in N/A CAD Icon (for items table)
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