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    PF11 and PF12 Large Knob, Spring-Loaded - Unified Thread .250-20

    PF11 and PF12 Large Knob, Spring-Loaded - Unified Thread .250-20

    PEM-3e973a

    Precision engineered Large Knob, Spring-Loaded fasteners for secure and durable installations.

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    $24.99
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    PF11 and PF12 Large Knob, Spring-Loaded - Unified Thread .250-20

    PF11 and PF12 Large Knob, Spring-Loaded - Unified Thread .250-20

    $24.99

    Quantity: 1

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    PF11 and PF12 Large Knob, Spring-Loaded - Unified Thread .250-20

    PF11 and PF12 Large Knob, Spring-Loaded - Unified Thread .250-20

    $24.99

    Quantity: 1

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    The PF11 and PF12 Large Knob, Spring-Loaded types are engineered for precision and reliability. Featuring a thread size of .250-20, these fasteners offer a secure fit with a knurled cap design for enhanced grip. With materials like aluminum, carbon steel, and stainless steel, these fasteners ensure durability and performance. The natural finish and optional black anodize make them visually appealing and corrosion-resistant. Meeting stringent industry standards, including ANSI B1.1 and ASTM specifications, these fasteners are ideal for a wide range of applications.

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    Product Specifications

    Specifications A Shank Max
    .036 in
    Specifications Cad Supplier
    PennEngineering® (PEM®)
    Specifications Cad View
    Unfastened
    Specifications C Max
    .374 in
    Specifications Driver Size
    Slotted/#3; Phillips
    Specifications E 010
    .575 in
    Specifications Finish Knob
    Natural Finish
    Specifications Finish Retainer
    Bright Nickel over Copper Flash per ASTM B689
    Specifications Finish Screw
    Passivated and/or tested per ASTM A380
    Specifications Finish Spring
    Natural Finish
    Specifications For Use In Sheet Hardness
    HRB 80 or Less (Hardness Rockwell “B” Scale) / HB 150 or Less (Hardness Brinell)
    Specifications G 025
    .350 in
    Specifications Hole Size In Sheet 0003 0000
    .375 in
    Specifications Material Knob
    Aluminum
    Specifications Material Retainer
    Heat-Treated Carbon Steel
    Specifications Material Screw
    400 Series Stainless Steel
    Specifications Material Spring
    300 Series Stainless Steel
    Specifications Min Dist Hole Cl To Edge
    .460 in
    Specifications Min Sheet Thickness
    .036 in
    Specifications Optional Finish
    Knob (aluminum) – Black AnodizeScrew (steel and stainless) – Black Nitride
    Specifications P 025
    .060 in
    Specifications Screw Length Code
    1
    Specifications Standard Finish
    Knob - Black AnodizeRetainer - Bright nickel over copper flash per ASTM B689Screw - Black nitride, AMS2753, Section 3Spring - Natural Finish
    Specifications T1 Nom
    .530 in
    Specifications T2 Nom
    .790 in
    Specifications Thread Code
    0420
    Specifications Thread Size
    .250-20 (1/4-20)
    Specifications Thread Specification
    ANSI B1.1, 2A
    Specifications Type
    Knurled Cap - PF11