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Captive Panel Screw - Type 4

The Captive Panel Screw type 4 is designed to remain attached even if unscrewed when used with a captive panel retainer. Type 4 Captive Panel Screws, like other types of captive panel screws, are most commonly used on control panel doors to keep them screwed shut during normal operating conditions.

When access to parts is needed, unthreading the screw allows for the door to be opened, while the retainer keeps the captive panel screw attached to the door. A perfect solution to prevent a lost screw from becoming lost during a field repair or creating a safety hazard.

Type of Captive Screws

All Lyn-Tron Captive Panel Screws types come in multiple head designs, varying shank lengths and diameters, and all common thread sizes. With so many Captive Panel Screw options and types, you are sure to find the right screw for your application, equipment, and parts.

Our Captive Panel Screws type 4 is manufactured from several types of materials:

  • Brass panel screw type
  • Stainless steel captive screw type
  • Steel captive panel type

More Questions About Captive Panel Screws or Lyn-Tron's Custom Services?

Lyn-Tron has been manufacturing electronic components and hardware supplies for various sorts of equipment and parts for over 50 years! All Lyn-Tron electronic hardware is made in the USA and held to the highest quality standards.

Feel free to contact us today if you have any questions about selecting a captive panel screw type 4 for your project, our services, any specs, or would like to request custom parts or OEM-designed hardware manufactured to your print.

#2-56 Captive Panel Screw - Type 4

1/8"

Part Number Material Male Thread Head Diameter Shank Length Under Head Length Washer Length Details
ST3799 Steel #2-56 1/8" 3/32" 1/4" 1/16"
  • Material: Steel
  • Male Thread: #2-56
  • Head Diameter: 1/8"
  • Shank Length: 3/32"
  • Under Head Length: 1/4"
  • Washer Length: 1/16"
ST3800 Steel #2-56 1/8" 5/32" 5/16" 1/16"
  • Material: Steel
  • Male Thread: #2-56
  • Head Diameter: 1/8"
  • Shank Length: 5/32"
  • Under Head Length: 5/16"
  • Washer Length: 1/16"
ST3801 Steel #2-56 1/8" 7/32" 3/8" 1/16"
  • Material: Steel
  • Male Thread: #2-56
  • Head Diameter: 1/8"
  • Shank Length: 7/32"
  • Under Head Length: 3/8"
  • Washer Length: 1/16"
ST3802 Steel #2-56 1/8" 9/32" 7/16" 1/16"
  • Material: Steel
  • Male Thread: #2-56
  • Head Diameter: 1/8"
  • Shank Length: 9/32"
  • Under Head Length: 7/16"
  • Washer Length: 1/16"
ST3803 Steel #2-56 1/8" 11/32" 1/2" 1/16"
  • Material: Steel
  • Male Thread: #2-56
  • Head Diameter: 1/8"
  • Shank Length: 11/32"
  • Under Head Length: 1/2"
  • Washer Length: 1/16"
ST3804 Steel #2-56 1/8" 13/32" 9/16" 1/16"
  • Material: Steel
  • Male Thread: #2-56
  • Head Diameter: 1/8"
  • Shank Length: 13/32"
  • Under Head Length: 9/16"
  • Washer Length: 1/16"
ST3805 Steel #2-56 1/8" 15/32" 5/8" 1/16"
  • Material: Steel
  • Male Thread: #2-56
  • Head Diameter: 1/8"
  • Shank Length: 15/32"
  • Under Head Length: 5/8"
  • Washer Length: 1/16"
ST3806 Steel #2-56 1/8" 17/32" 11/16" 1/16"
  • Material: Steel
  • Male Thread: #2-56
  • Head Diameter: 1/8"
  • Shank Length: 17/32"
  • Under Head Length: 11/16"
  • Washer Length: 1/16"
ST3807 Steel #2-56 1/8" 19/32" 3/4" 1/16"
  • Material: Steel
  • Male Thread: #2-56
  • Head Diameter: 1/8"
  • Shank Length: 19/32"
  • Under Head Length: 3/4"
  • Washer Length: 1/16"

#3-48 Captive Panel Screw - Type 4

5/32"

Part Number Material Male Thread Head Diameter Shank Length Under Head Length Washer Length Details
ST3808 Steel #3-48 5/32" 3/32" 1/4" 0.070"
  • Material: Steel
  • Male Thread: #3-48
  • Head Diameter: 5/32"
  • Shank Length: 3/32"
  • Under Head Length: 1/4"
  • Washer Length: 0.070"
ST3809 Steel #3-48 5/32" 5/32" 5/16" 0.070"
  • Material: Steel
  • Male Thread: #3-48
  • Head Diameter: 5/32"
  • Shank Length: 5/32"
  • Under Head Length: 5/16"
  • Washer Length: 0.070"
ST3810 Steel #3-48 5/32" 7/32" 3/8" 0.070"
  • Material: Steel
  • Male Thread: #3-48
  • Head Diameter: 5/32"
  • Shank Length: 7/32"
  • Under Head Length: 3/8"
  • Washer Length: 0.070"
ST3811 Steel #3-48 5/32" 9/32" 7/16" 0.070"
  • Material: Steel
  • Male Thread: #3-48
  • Head Diameter: 5/32"
  • Shank Length: 9/32"
  • Under Head Length: 7/16"
  • Washer Length: 0.070"
ST3812 Steel #3-48 5/32" 11/32" 1/2" 0.070"
  • Material: Steel
  • Male Thread: #3-48
  • Head Diameter: 5/32"
  • Shank Length: 11/32"
  • Under Head Length: 1/2"
  • Washer Length: 0.070"
ST3813 Steel #3-48 5/32" 13/32" 9/16" 0.070"
  • Material: Steel
  • Male Thread: #3-48
  • Head Diameter: 5/32"
  • Shank Length: 13/32"
  • Under Head Length: 9/16"
  • Washer Length: 0.070"
ST3814 Steel #3-48 5/32" 15/32" 5/8" 0.070"
  • Material: Steel
  • Male Thread: #3-48
  • Head Diameter: 5/32"
  • Shank Length: 15/32"
  • Under Head Length: 5/8"
  • Washer Length: 0.070"
ST3815 Steel #3-48 5/32" 17/32" 11/16" 0.070"
  • Material: Steel
  • Male Thread: #3-48
  • Head Diameter: 5/32"
  • Shank Length: 17/32"
  • Under Head Length: 11/16"
  • Washer Length: 0.070"
ST3816 Steel #3-48 5/32" 19/32" 3/4" 0.070"
  • Material: Steel
  • Male Thread: #3-48
  • Head Diameter: 5/32"
  • Shank Length: 19/32"
  • Under Head Length: 3/4"
  • Washer Length: 0.070"

#4-40 Captive Panel Screw - Type 4

11/64"

Part Number Material Male Thread Head Diameter Shank Length Under Head Length Washer Length Details
ST3817 Steel #4-40 11/64" 1/16" 1/4" 0.079"
  • Material: Steel
  • Male Thread: #4-40
  • Head Diameter: 11/64"
  • Shank Length: 1/16"
  • Under Head Length: 1/4"
  • Washer Length: 0.079"
ST3818 Steel #4-40 11/64" 1/8" 5/16" 0.079"
  • Material: Steel
  • Male Thread: #4-40
  • Head Diameter: 11/64"
  • Shank Length: 1/8"
  • Under Head Length: 5/16"
  • Washer Length: 0.079"
ST3819 Steel #4-40 11/64" 3/16" 3/8" 0.079"
  • Material: Steel
  • Male Thread: #4-40
  • Head Diameter: 11/64"
  • Shank Length: 3/16"
  • Under Head Length: 3/8"
  • Washer Length: 0.079"
ST3820 Steel #4-40 11/64" 1/4" 7/16" 0.079"
  • Material: Steel
  • Male Thread: #4-40
  • Head Diameter: 11/64"
  • Shank Length: 1/4"
  • Under Head Length: 7/16"
  • Washer Length: 0.079"
ST3821 Steel #4-40 11/64" 5/16" 1/2" 0.079"
  • Material: Steel
  • Male Thread: #4-40
  • Head Diameter: 11/64"
  • Shank Length: 5/16"
  • Under Head Length: 1/2"
  • Washer Length: 0.079"
ST3822 Steel #4-40 11/64" 3/8" 9/16" 0.079"
  • Material: Steel
  • Male Thread: #4-40
  • Head Diameter: 11/64"
  • Shank Length: 3/8"
  • Under Head Length: 9/16"
  • Washer Length: 0.079"
ST3823 Steel #4-40 11/64" 7/16" 5/8" 0.079"
  • Material: Steel
  • Male Thread: #4-40
  • Head Diameter: 11/64"
  • Shank Length: 7/16"
  • Under Head Length: 5/8"
  • Washer Length: 0.079"
ST3824 Steel #4-40 11/64" 1/2" 11/16" 0.079"
  • Material: Steel
  • Male Thread: #4-40
  • Head Diameter: 11/64"
  • Shank Length: 1/2"
  • Under Head Length: 11/16"
  • Washer Length: 0.079"
ST3825 Steel #4-40 11/64" 9/16" 3/4" 0.079"
  • Material: Steel
  • Male Thread: #4-40
  • Head Diameter: 11/64"
  • Shank Length: 9/16"
  • Under Head Length: 3/4"
  • Washer Length: 0.079"
ST3826 Steel #4-40 11/64" 5/8" 13/16" 0.079"
  • Material: Steel
  • Male Thread: #4-40
  • Head Diameter: 11/64"
  • Shank Length: 5/8"
  • Under Head Length: 13/16"
  • Washer Length: 0.079"

#6-32 Captive Panel Screw - Type 4

7/32"

Part Number Material Male Thread Head Diameter Shank Length Under Head Length Washer Length Details
ST3830 Steel #6-32 7/32" 3/32" 5/16" 0.096"
  • Material: Steel
  • Male Thread: #6-32
  • Head Diameter: 7/32"
  • Shank Length: 3/32"
  • Under Head Length: 5/16"
  • Washer Length: 0.096"
ST3831 Steel #6-32 7/32" 5/32" 3/8" 0.096"
  • Material: Steel
  • Male Thread: #6-32
  • Head Diameter: 7/32"
  • Shank Length: 5/32"
  • Under Head Length: 3/8"
  • Washer Length: 0.096"
ST3832 Steel #6-32 7/32" 7/32" 7/16" 0.096"
  • Material: Steel
  • Male Thread: #6-32
  • Head Diameter: 7/32"
  • Shank Length: 7/32"
  • Under Head Length: 7/16"
  • Washer Length: 0.096"
ST3833 Steel #6-32 7/32" 9/32" 1/2" 0.096"
  • Material: Steel
  • Male Thread: #6-32
  • Head Diameter: 7/32"
  • Shank Length: 9/32"
  • Under Head Length: 1/2"
  • Washer Length: 0.096"
ST3834 Steel #6-32 7/32" 11/32" 9/16" 0.096"
  • Material: Steel
  • Male Thread: #6-32
  • Head Diameter: 7/32"
  • Shank Length: 11/32"
  • Under Head Length: 9/16"
  • Washer Length: 0.096"
ST3835 Steel #6-32 7/32" 13/32" 5/8" 0.096"
  • Material: Steel
  • Male Thread: #6-32
  • Head Diameter: 7/32"
  • Shank Length: 13/32"
  • Under Head Length: 5/8"
  • Washer Length: 0.096"
ST3836 Steel #6-32 7/32" 15/32" 11/16" 0.096"
  • Material: Steel
  • Male Thread: #6-32
  • Head Diameter: 7/32"
  • Shank Length: 15/32"
  • Under Head Length: 11/16"
  • Washer Length: 0.096"
ST3837 Steel #6-32 7/32" 17/32" 3/4" 0.096"
  • Material: Steel
  • Male Thread: #6-32
  • Head Diameter: 7/32"
  • Shank Length: 17/32"
  • Under Head Length: 3/4"
  • Washer Length: 0.096"
ST3838 Steel #6-32 7/32" 19/32" 13/16" 0.096"
  • Material: Steel
  • Male Thread: #6-32
  • Head Diameter: 7/32"
  • Shank Length: 19/32"
  • Under Head Length: 13/16"
  • Washer Length: 0.096"
ST3839 Steel #6-32 7/32" 21/32" 7/8" 0.096"
  • Material: Steel
  • Male Thread: #6-32
  • Head Diameter: 7/32"
  • Shank Length: 21/32"
  • Under Head Length: 7/8"
  • Washer Length: 0.096"

#8-32 Captive Panel Screw - Type 4

1/4"

Part Number Material Male Thread Head Diameter Shank Length Under Head Length Washer Length Details
ST3842 Steel #8-32 1/4" 3/32" 5/16" 0.113"
  • Material: Steel
  • Male Thread: #8-32
  • Head Diameter: 1/4"
  • Shank Length: 3/32"
  • Under Head Length: 5/16"
  • Washer Length: 0.113"
ST3843 Steel #8-32 1/4" 5/32" 3/8" 0.113"
  • Material: Steel
  • Male Thread: #8-32
  • Head Diameter: 1/4"
  • Shank Length: 5/32"
  • Under Head Length: 3/8"
  • Washer Length: 0.113"
ST3844 Steel #8-32 1/4" 7/32" 7/16" 0.113"
  • Material: Steel
  • Male Thread: #8-32
  • Head Diameter: 1/4"
  • Shank Length: 7/32"
  • Under Head Length: 7/16"
  • Washer Length: 0.113"
ST3845 Steel #8-32 1/4" 9/32" 1/2" 0.113"
  • Material: Steel
  • Male Thread: #8-32
  • Head Diameter: 1/4"
  • Shank Length: 9/32"
  • Under Head Length: 1/2"
  • Washer Length: 0.113"
ST3846 Steel #8-32 1/4" 11/32" 9/16" 0.113"
  • Material: Steel
  • Male Thread: #8-32
  • Head Diameter: 1/4"
  • Shank Length: 11/32"
  • Under Head Length: 9/16"
  • Washer Length: 0.113"
ST3847 Steel #8-32 1/4" 13/32" 5/8" 0.113"
  • Material: Steel
  • Male Thread: #8-32
  • Head Diameter: 1/4"
  • Shank Length: 13/32"
  • Under Head Length: 5/8"
  • Washer Length: 0.113"
ST3848 Steel #8-32 1/4" 15/32" 11/16" 0.113"
  • Material: Steel
  • Male Thread: #8-32
  • Head Diameter: 1/4"
  • Shank Length: 15/32"
  • Under Head Length: 11/16"
  • Washer Length: 0.113"
ST3849 Steel #8-32 1/4" 17/32" 3/4" 0.113"
  • Material: Steel
  • Male Thread: #8-32
  • Head Diameter: 1/4"
  • Shank Length: 17/32"
  • Under Head Length: 3/4"
  • Washer Length: 0.113"
ST3850 Steel #8-32 1/4" 19/32" 13/16" 0.113"
  • Material: Steel
  • Male Thread: #8-32
  • Head Diameter: 1/4"
  • Shank Length: 19/32"
  • Under Head Length: 13/16"
  • Washer Length: 0.113"
ST3851 Steel #8-32 1/4" 21/32" 7/8" 0.113"
  • Material: Steel
  • Male Thread: #8-32
  • Head Diameter: 1/4"
  • Shank Length: 21/32"
  • Under Head Length: 7/8"
  • Washer Length: 0.113"

#10-24 Captive Panel Screw - Type 4

5/16"

Part Number Material Male Thread Head Diameter Shank Length Under Head Length Washer Length Details
ST3858 Steel #10-24 5/16" 3/32" 3/8" 0.130"
  • Material: Steel
  • Male Thread: #10-24
  • Head Diameter: 5/16"
  • Shank Length: 3/32"
  • Under Head Length: 3/8"
  • Washer Length: 0.130"
ST3859 Steel #10-24 5/16" 5/32" 7/16" 0.130"
  • Material: Steel
  • Male Thread: #10-24
  • Head Diameter: 5/16"
  • Shank Length: 5/32"
  • Under Head Length: 7/16"
  • Washer Length: 0.130"
ST3860 Steel #10-24 5/16" 7/32" 1/2" 0.130"
  • Material: Steel
  • Male Thread: #10-24
  • Head Diameter: 5/16"
  • Shank Length: 7/32"
  • Under Head Length: 1/2"
  • Washer Length: 0.130"
ST3861 Steel #10-24 5/16" 9/32" 9/16" 0.130"
  • Material: Steel
  • Male Thread: #10-24
  • Head Diameter: 5/16"
  • Shank Length: 9/32"
  • Under Head Length: 9/16"
  • Washer Length: 0.130"
ST3862 Steel #10-24 5/16" 11/32" 5/8" 0.130"
  • Material: Steel
  • Male Thread: #10-24
  • Head Diameter: 5/16"
  • Shank Length: 11/32"
  • Under Head Length: 5/8"
  • Washer Length: 0.130"
ST3863 Steel #10-24 5/16" 13/32" 11/16" 0.130"
  • Material: Steel
  • Male Thread: #10-24
  • Head Diameter: 5/16"
  • Shank Length: 13/32"
  • Under Head Length: 11/16"
  • Washer Length: 0.130"
ST3864 Steel #10-24 5/16" 15/32" 3/4" 0.130"
  • Material: Steel
  • Male Thread: #10-24
  • Head Diameter: 5/16"
  • Shank Length: 15/32"
  • Under Head Length: 3/4"
  • Washer Length: 0.130"
ST3865 Steel #10-24 5/16" 17/32" 13/16" 0.130"
  • Material: Steel
  • Male Thread: #10-24
  • Head Diameter: 5/16"
  • Shank Length: 17/32"
  • Under Head Length: 13/16"
  • Washer Length: 0.130"
ST3866 Steel #10-24 5/16" 19/32" 7/8" 0.130"
  • Material: Steel
  • Male Thread: #10-24
  • Head Diameter: 5/16"
  • Shank Length: 19/32"
  • Under Head Length: 7/8"
  • Washer Length: 0.130"
ST3867 Steel #10-24 5/16" 21/32" 15/16" 0.130"
  • Material: Steel
  • Male Thread: #10-24
  • Head Diameter: 5/16"
  • Shank Length: 21/32"
  • Under Head Length: 15/16"
  • Washer Length: 0.130"

#10-32 Captive Panel Screw - Type 4

5/16"

Part Number Material Male Thread Head Diameter Shank Length Under Head Length Washer Length Details
ST3877 Steel #10-32 5/16" 3/32" 3/8" 0.130"
  • Material: Steel
  • Male Thread: #10-32
  • Head Diameter: 5/16"
  • Shank Length: 3/32"
  • Under Head Length: 3/8"
  • Washer Length: 0.130"
ST3878 Steel #10-32 5/16" 5/32" 7/16" 0.130"
  • Material: Steel
  • Male Thread: #10-32
  • Head Diameter: 5/16"
  • Shank Length: 5/32"
  • Under Head Length: 7/16"
  • Washer Length: 0.130"
ST3879 Steel #10-32 5/16" 7/32" 1/2" 0.130"
  • Material: Steel
  • Male Thread: #10-32
  • Head Diameter: 5/16"
  • Shank Length: 7/32"
  • Under Head Length: 1/2"
  • Washer Length: 0.130"
ST3880 Steel #10-32 5/16" 9/32" 9/16" 0.130"
  • Material: Steel
  • Male Thread: #10-32
  • Head Diameter: 5/16"
  • Shank Length: 9/32"
  • Under Head Length: 9/16"
  • Washer Length: 0.130"
ST3881 Steel #10-32 5/16" 11/32" 5/8" 0.130"
  • Material: Steel
  • Male Thread: #10-32
  • Head Diameter: 5/16"
  • Shank Length: 11/32"
  • Under Head Length: 5/8"
  • Washer Length: 0.130"
ST3882 Steel #10-32 5/16" 13/32" 11/16" 0.130"
  • Material: Steel
  • Male Thread: #10-32
  • Head Diameter: 5/16"
  • Shank Length: 13/32"
  • Under Head Length: 11/16"
  • Washer Length: 0.130"
ST3883 Steel #10-32 5/16" 15/32" 3/4" 0.130"
  • Material: Steel
  • Male Thread: #10-32
  • Head Diameter: 5/16"
  • Shank Length: 15/32"
  • Under Head Length: 3/4"
  • Washer Length: 0.130"
ST3884 Steel #10-32 5/16" 17/32" 13/16" 0.130"
  • Material: Steel
  • Male Thread: #10-32
  • Head Diameter: 5/16"
  • Shank Length: 17/32"
  • Under Head Length: 13/16"
  • Washer Length: 0.130"
ST3885 Steel #10-32 5/16" 19/32" 7/8" 0.130"
  • Material: Steel
  • Male Thread: #10-32
  • Head Diameter: 5/16"
  • Shank Length: 19/32"
  • Under Head Length: 7/8"
  • Washer Length: 0.130"
ST3886 Steel #10-32 5/16" 21/32" 15/16" 0.130"
  • Material: Steel
  • Male Thread: #10-32
  • Head Diameter: 5/16"
  • Shank Length: 21/32"
  • Under Head Length: 15/16"
  • Washer Length: 0.130"