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Online literature contains the most current information available.
For attachment of thin sheets to plastics, common casting materials and other similar base materials. Also available in micro sizes, which are ideal for compact electronics.

Features and Benefits
  • Secure sheets to common magnesium die casting materials such as AZ91D. Also appropriate for attaching panels to plastics such as ABS.
  • Alternative to screws, eliminating the need to tap or use threaded inserts.
  • Tapered tip for easier alignment into base panel.
  • Top sheet can be any material.
  • Low-profile head.
  • Simple, press-in installation. Does not require heat or ultrasonics.
  • Can be installed automatically.
  • Unit of Measure


    N/A TK4

    Base Panel Hole Size Code

    N/A 25

    Length Code

    N/A 800

    Top Sheet Hole Size

    N/A 0.123 in ±.005 in 3.13 mm ±0.12 mm

    Base Panel Hole Size

    N/A 0.098 in +.003 in 2.5 mm +0.08 mm

    Top Sheet Thickness Max.

    N/A 3.4 mm.134 in

    C Max.

    N/A 2.88 mm.113 in TK-Dwg-800x600.jpg


    N/A 0.173 in ±.008 in 4.4 mm ±0.2 mm


    N/A 0.315 in ±.010 in 8 mm ±0.25 mm


    N/A 0.032 in ±.006 in 0.8 mm ±0.15 mm
    Min. Dist. Hole C/L to Edge1 N/A 3 mm.118 in


    N/A 400 Series Stainless Steel

    Standard Finish

    N/A Passivated and/or tested per ASTM A380

    For use in

    N/A Castings and Brittle Materials

    For Use in Sheet Hardness

    N/A HRB 80 or Less (Hardness Rockwell "B" Scale)
    HB 150 or Less (Hardness Brinell)
    • 1 Minimum boss diameter is twice centerline-to-edge value.