Experts in the development and manufacture of precision fasteners,
components and systems, specializing in thin sheet attachment solutions.

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New self-clinching, threaded microPEM® TackScrew™ (Type TS™) fasteners enable cost effective sheet-to-sheet attachment, by simply pressing into place. The TackScrew™ fastener securely attaches a top sheet or panel to the base material. TackScrew fasteners can be removed by simply unscrewing similar to other threaded fasteners.

Features and Benefits
  • Simple, press-in installation for secure attachment
  • Proven clinch technology resists vibrational loosening.
  • Replaces micro screws, eliminating installation issues including:
    – Cost of locking patch
    – Cost of threaded insert or tapped hole
    – Cost of driver bits
    – Cost of rework due to cross-threading and driver bit “cam-out”
  • Can be installed automatically for high volume application.
  • Twists out (unscrew) if removal is necessary.Can be reinstalled one time using a thread locking adhesive.
Ideal for today’s compact electronics
  • Laptops
  • Notebooks
  • Tablet Computers
  • Cell/Smart Phones
  • Gaming / Hand Held Devices
  • Wearables
  • Automotive Electronics
Unit of Measure

Fastener Material

N/A Heat-treated 400 Series Stainless Steel

Base Panel Hole Size Code

N/A 10

Top Sheet Thickness Code

N/A 025

Top Sheet Thickness

N/A 0.2 to 0.28 mm.008 to .011 in
Base Panel Min. Sheet Thickness1 N/A 0.91 mm.036 in

Top Sheet Hole Size ±0.05mm/ ±.002in

N/A 1.47 mm.058 in

Base Panel Hole Size ±0.025mm/ ±.001in

N/A 0.99 mm.039 in

A ± 0.05mm/±.002in

N/A 0.406 mm.016 in microPEM-TackScrew-2.jpg

H ± 0.1mm/±.004in

N/A 2 mm.079 in

L ± 0.1mm/±.004in

N/A 0.64 mm.025 in

P ± 0.05mm/±.002in

N/A 1.3 mm.051 in

T ± 0.1mm/±.004in

N/A 0.25 mm.010 in

Min. Dist. Hole C/L to Edge

N/A 1 mm.039 in

Standard Finish

N/A Passivated and/or tested per ASTM A380

For Use in Sheet Hardness

N/A HRB 89 or less (Hardness Rockwell “B” scale)
HB 187 or less (Hardness Brinell)

CAD Supplier

N/A PennEngineering® (PEM®)
  • 1 Minimum sheet to prevent protrusion from through hole or minimum blind hole depth.


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