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All Categories > PEM® Brand Self-Clinching, Broaching, Surface Mount, Flare and Weld Mounted Fasteners > Captive Panel Screws and Hardware > Screw Head, Spring-loaded - Types PFC2 and PFS2 > Screw Head, Spring-loaded - Unified Types PFC2, PFS2 > Part # PFC2-0420-82  
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Part # PFC2-0420-82, Screw Head, Spring-loaded - Unified Types PFC2, PFS2

  • Available in steel or stainless steel.
  • Meets “operator access area” requirements similar to UL 508.
  • Tool or finger operation.
  • Most sizes available in three screw lengths.

  • Screw head, spring-loaded - PFC2, PFS2

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    Captive panel screw-Screw head, spring-loaded 2

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    Thread Size

    .250-20 (1/4-20)



    Thread Code


    Screw Length Code


    A (Shank) Max.

    .060 in

    Min. Sheet Thickness

    .060 in

    Hole Size in Sheet + 0.003 - 0.000

    .413 in

    C Max.

    .412 in

    E ± .010

    .468 in

    G ± .016

    .500 in

    H ± .005

    .097 in

    P ± .025

    .125 in

    T1 Max.

    .580 in

    T2 Nom.

    .880 in

    Min. Dist. Hole C/L to Edge

    .38 in

    Thread Specification1

    ANSI B1.1, 2A

    Material Retainer2

    300 Series Stainless Steel

    Material Screw

    300 Series Stainless Steel

    Material Spring

    300 Series Stainless Steel

    Finish Retainer

    Passivated and/or tested per ASTM A380

    Finish Screw

    Passivated and/or tested per ASTM A380

    For Use in Sheet Hardness

    HRB 70 or Less (Hardness Rockwell “B” Scale) / HB 125 or Less (Hardness Brinell)

    CAD View


    CAD Supplier

    PennEngineering® (PEM®)
    1 As with all external plated threads, Class 2A/6g, the maximum major and pitch, after plating, may equal basic sizes and be gauged to Class 3A/4h, per ANSI B1.1, Section 8, Table 3A and ANSI B1.13M, Section 8, Paragraph 8.2.
    2 The blue plastic retaining rings are a PEM trademark. The temperature limit is 200° F / 93° C.


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