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Captive Panel Retainer - Type A

Captive Panel Retainers offer a retaining option for captive panel screws. These are commonly used in sheet metal when a threaded hole is not able to be manufactured into the panels. Multiple styles of captive panel retainers available allow for different installation methods, the use of retaining rings and springs further securing the products.

Types of Captive Panel Retainers

All Lyn-Tron Captive Panel Retainer types come in multiple materials, varying shank lengths and captive panel thickness, and all common thread sizes. With so many Captive Panel retainer options and types, you are sure to find the right retainer to mate with your screw for your application, equipment, and parts.

Our Captive Panel Retainer types A products are manufactured from several types of materials:

  • Brass captive panel
  • Stainless steel captive panel
  • Steel captive panel

Lyn-Tron's captive panel retainers also come with several options, for type A:

  • Installation type
    • Press Fit will use the Knurl and be pressed into the hole to be held in place.
  • Retaining style
    • Threaded Retainers have a shallow female thread that the screw is threaded through. Once the screw is completely threaded through, the female thread functions as the retainer, preventing the screw from coming.
  • Spring tensioned
    • Some Panel Screw Retainers are designed for use with a spring. The spring works to keep the screw out of the way when not engaged and will also provide some vibration resistance to the assembly. A small counterbore is machined on the back of these retainers to accept the spring.

Contact Us About Captive Panel Retainers or Lyn-Tron's Custom Services Questions

Lyn-Tron has been manufacturing electronic components and hardware item supplies for various sorts of equipment and products 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 Type A captive panel retainers for your project, our services, any specs, or would like to request custom parts or OEM-designed hardware manufactured to your print.

1/4" Captive Panel Retainer - Type A

#4-40

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SSR000-050 Stainless Steel #4-40 0.200" 0.050" 0.198" 0.048"-0.072"
  • Material: Stainless Steel
  • Thread: #4-40
  • Body Length: 0.200"
  • Shank Length: 0.050"
  • Shank OD: 0.198"
  • Panel Thickness: 0.048"-0.072"
SSR000-080 Stainless Steel #4-40 0.170" 0.080" 0.198" 0.074"-0.109"
  • Material: Stainless Steel
  • Thread: #4-40
  • Body Length: 0.170"
  • Shank Length: 0.080"
  • Shank OD: 0.198"
  • Panel Thickness: 0.074"-0.109"
SSR000-125 Stainless Steel #4-40 0.125" 0.125" 0.198" 0.119"-0.156"
  • Material: Stainless Steel
  • Thread: #4-40
  • Body Length: 0.125"
  • Shank Length: 0.125"
  • Shank OD: 0.198"
  • Panel Thickness: 0.119"-0.156"

#6-32

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SSR001-050 Stainless Steel #6-32 0.262" 0.050" 0.198" 0.048"-0.072"
  • Material: Stainless Steel
  • Thread: #6-32
  • Body Length: 0.262"
  • Shank Length: 0.050"
  • Shank OD: 0.198"
  • Panel Thickness: 0.048"-0.072"
SSR001-080 Stainless Steel #6-32 0.232" 0.080" 0.198" 0.074"-0.109"
  • Material: Stainless Steel
  • Thread: #6-32
  • Body Length: 0.232"
  • Shank Length: 0.080"
  • Shank OD: 0.198"
  • Panel Thickness: 0.074"-0.109"
SSR001-125 Stainless Steel #6-32 0.187" 0.125" 0.198" 0.119"-0.156"
  • Material: Stainless Steel
  • Thread: #6-32
  • Body Length: 0.187"
  • Shank Length: 0.125"
  • Shank OD: 0.198"
  • Panel Thickness: 0.119"-0.156"
SSR001-188 Stainless Steel #6-32 0.124" 0.188" 0.198" 0.188"-0.188"
  • Material: Stainless Steel
  • Thread: #6-32
  • Body Length: 0.124"
  • Shank Length: 0.188"
  • Shank OD: 0.198"
  • Panel Thickness: 0.188"-0.188"

5/16" Captive Panel Retainer - Type A

#8-32

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SSR002-050 Stainless Steel #8-32 0.262" 0.050" 0.228" 0.048"-0.072"
  • Material: Stainless Steel
  • Thread: #8-32
  • Body Length: 0.262"
  • Shank Length: 0.050"
  • Shank OD: 0.228"
  • Panel Thickness: 0.048"-0.072"
SSR002-080 Stainless Steel #8-32 0.232" 0.080" 0.228" 0.074"-0.109"
  • Material: Stainless Steel
  • Thread: #8-32
  • Body Length: 0.232"
  • Shank Length: 0.080"
  • Shank OD: 0.228"
  • Panel Thickness: 0.074"-0.109"
SSR002-125 Stainless Steel #8-32 0.187" 0.125" 0.228" 0.119"-0.156"
  • Material: Stainless Steel
  • Thread: #8-32
  • Body Length: 0.187"
  • Shank Length: 0.125"
  • Shank OD: 0.228"
  • Panel Thickness: 0.119"-0.156"
SSR002-188 Stainless Steel #8-32 0.124" 0.188" 0.228" 0.188"-0.188"
  • Material: Stainless Steel
  • Thread: #8-32
  • Body Length: 0.124"
  • Shank Length: 0.188"
  • Shank OD: 0.228"
  • Panel Thickness: 0.188"-0.188"

3/8" Captive Panel Retainer - Type A

#10-24

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SSR003-050 Stainless Steel #10-24 0.325" 0.050" 0.280" 0.048"-0.072"
  • Material: Stainless Steel
  • Thread: #10-24
  • Body Length: 0.325"
  • Shank Length: 0.050"
  • Shank OD: 0.280"
  • Panel Thickness: 0.048"-0.072"
SSR003-080 Stainless Steel #10-24 0.295" 0.080" 0.280" 0.074"-0.109"
  • Material: Stainless Steel
  • Thread: #10-24
  • Body Length: 0.295"
  • Shank Length: 0.080"
  • Shank OD: 0.280"
  • Panel Thickness: 0.074"-0.109"
SSR003-125 Stainless Steel #10-24 0.250" 0.125" 0.280" 0.119"-0.156"
  • Material: Stainless Steel
  • Thread: #10-24
  • Body Length: 0.250"
  • Shank Length: 0.125"
  • Shank OD: 0.280"
  • Panel Thickness: 0.119"-0.156"
SSR003-188 Stainless Steel #10-24 0.187" 0.188" 0.280" 0.188"-0.188"
  • Material: Stainless Steel
  • Thread: #10-24
  • Body Length: 0.187"
  • Shank Length: 0.188"
  • Shank OD: 0.280"
  • Panel Thickness: 0.188"-0.188"
SSR003-250 Stainless Steel #10-24 0.125" 0.250" 0.280" 0.250"-0.250"
  • Material: Stainless Steel
  • Thread: #10-24
  • Body Length: 0.125"
  • Shank Length: 0.250"
  • Shank OD: 0.280"
  • Panel Thickness: 0.250"-0.250"

#10-32

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SSR004-050 Stainless Steel #10-32 0.325" 0.050" 0.280" 0.048"-0.072"
  • Material: Stainless Steel
  • Thread: #10-32
  • Body Length: 0.325"
  • Shank Length: 0.050"
  • Shank OD: 0.280"
  • Panel Thickness: 0.048"-0.072"
SSR004-080 Stainless Steel #10-32 0.295" 0.080" 0.280" 0.074"-0.109"
  • Material: Stainless Steel
  • Thread: #10-32
  • Body Length: 0.295"
  • Shank Length: 0.080"
  • Shank OD: 0.280"
  • Panel Thickness: 0.074"-0.109"
SSR004-125 Stainless Steel #10-32 0.250" 0.125" 0.280" 0.119"-0.156"
  • Material: Stainless Steel
  • Thread: #10-32
  • Body Length: 0.250"
  • Shank Length: 0.125"
  • Shank OD: 0.280"
  • Panel Thickness: 0.119"-0.156"
SSR004-188 Stainless Steel #10-32 0.187" 0.188" 0.280" 0.188"-0.188"
  • Material: Stainless Steel
  • Thread: #10-32
  • Body Length: 0.187"
  • Shank Length: 0.188"
  • Shank OD: 0.280"
  • Panel Thickness: 0.188"-0.188"
SSR004-250 Stainless Steel #10-32 0.125" 0.250" 0.280" 0.250"-0.250"
  • Material: Stainless Steel
  • Thread: #10-32
  • Body Length: 0.125"
  • Shank Length: 0.250"
  • Shank OD: 0.280"
  • Panel Thickness: 0.250"-0.250"

1/2" Captive Panel Retainer - Type A

#1/4-20

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SSR005-050 Stainless Steel #1/4-20 0.387" 0.050" 0.366" 0.048"-0.072"
  • Material: Stainless Steel
  • Thread: #1/4-20
  • Body Length: 0.387"
  • Shank Length: 0.050"
  • Shank OD: 0.366"
  • Panel Thickness: 0.048"-0.072"
SSR005-080 Stainless Steel #1/4-20 0.357" 0.080" 0.366" 0.074"-0.109"
  • Material: Stainless Steel
  • Thread: #1/4-20
  • Body Length: 0.357"
  • Shank Length: 0.080"
  • Shank OD: 0.366"
  • Panel Thickness: 0.074"-0.109"
SSR005-125 Stainless Steel #1/4-20 0.312" 0.125" 0.366" 0.119"-0.156"
  • Material: Stainless Steel
  • Thread: #1/4-20
  • Body Length: 0.312"
  • Shank Length: 0.125"
  • Shank OD: 0.366"
  • Panel Thickness: 0.119"-0.156"
SSR005-188 Stainless Steel #1/4-20 0.249" 0.188" 0.366" 0.188"-0.188"
  • Material: Stainless Steel
  • Thread: #1/4-20
  • Body Length: 0.249"
  • Shank Length: 0.188"
  • Shank OD: 0.366"
  • Panel Thickness: 0.188"-0.188"
SSR005-250 Stainless Steel #1/4-20 0.187" 0.250" 0.366" 0.250"-0.250"
  • Material: Stainless Steel
  • Thread: #1/4-20
  • Body Length: 0.187"
  • Shank Length: 0.250"
  • Shank OD: 0.366"
  • Panel Thickness: 0.250"-0.250"

#1/4-28

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SSR006-050 Stainless Steel #1/4-28 0.387" 0.050" 0.366" 0.048"-0.072"
  • Material: Stainless Steel
  • Thread: #1/4-28
  • Body Length: 0.387"
  • Shank Length: 0.050"
  • Shank OD: 0.366"
  • Panel Thickness: 0.048"-0.072"
SSR006-080 Stainless Steel #1/4-28 0.357" 0.080" 0.366" 0.074"-0.109"
  • Material: Stainless Steel
  • Thread: #1/4-28
  • Body Length: 0.357"
  • Shank Length: 0.080"
  • Shank OD: 0.366"
  • Panel Thickness: 0.074"-0.109"
SSR006-125 Stainless Steel #1/4-28 0.312" 0.125" 0.366" 0.119"-0.156"
  • Material: Stainless Steel
  • Thread: #1/4-28
  • Body Length: 0.312"
  • Shank Length: 0.125"
  • Shank OD: 0.366"
  • Panel Thickness: 0.119"-0.156"
SSR006-188 Stainless Steel #1/4-28 0.249" 0.188" 0.366" 0.188"-0.188"
  • Material: Stainless Steel
  • Thread: #1/4-28
  • Body Length: 0.249"
  • Shank Length: 0.188"
  • Shank OD: 0.366"
  • Panel Thickness: 0.188"-0.188"
SSR006-260 Stainless Steel #1/4-28 0.187" 0.250" 0.366" 0.250"-0.250"
  • Material: Stainless Steel
  • Thread: #1/4-28
  • Body Length: 0.187"
  • Shank Length: 0.250"
  • Shank OD: 0.366"
  • Panel Thickness: 0.250"-0.250"

5/8" Captive Panel Retainer - Type A

#5/16-18

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SSR007-050 Stainless Steel #5/16-18 0.450" 0.050" 0.414" 0.048"-0.072"
  • Material: Stainless Steel
  • Thread: #5/16-18
  • Body Length: 0.450"
  • Shank Length: 0.050"
  • Shank OD: 0.414"
  • Panel Thickness: 0.048"-0.072"
SSR007-080 Stainless Steel #5/16-18 0.420" 0.080" 0.414" 0.074"-0.109"
  • Material: Stainless Steel
  • Thread: #5/16-18
  • Body Length: 0.420"
  • Shank Length: 0.080"
  • Shank OD: 0.414"
  • Panel Thickness: 0.074"-0.109"
SSR007-125 Stainless Steel #5/16-18 0.375" 0.125" 0.414" 0.119"-0.156"
  • Material: Stainless Steel
  • Thread: #5/16-18
  • Body Length: 0.375"
  • Shank Length: 0.125"
  • Shank OD: 0.414"
  • Panel Thickness: 0.119"-0.156"
SSR007-188 Stainless Steel #5/16-18 0.312" 0.188" 0.414" 0.188"-0.188"
  • Material: Stainless Steel
  • Thread: #5/16-18
  • Body Length: 0.312"
  • Shank Length: 0.188"
  • Shank OD: 0.414"
  • Panel Thickness: 0.188"-0.188"
SSR007-250 Stainless Steel #5/16-18 0.250" 0.250" 0.414" 0.250"-0.250"
  • Material: Stainless Steel
  • Thread: #5/16-18
  • Body Length: 0.250"
  • Shank Length: 0.250"
  • Shank OD: 0.414"
  • Panel Thickness: 0.250"-0.250"

3/4" Captive Panel Retainer - Type A

#3/8-16

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SSR008-080 Stainless Steel #3/8-16 0.482" 0.080" 0.479" 0.074"-0.109"
  • Material: Stainless Steel
  • Thread: #3/8-16
  • Body Length: 0.482"
  • Shank Length: 0.080"
  • Shank OD: 0.479"
  • Panel Thickness: 0.074"-0.109"
SSR008-125 Stainless Steel #3/8-16 0.437" 0.125" 0.479" 0.119"-0.156"
  • Material: Stainless Steel
  • Thread: #3/8-16
  • Body Length: 0.437"
  • Shank Length: 0.125"
  • Shank OD: 0.479"
  • Panel Thickness: 0.119"-0.156"
SSR008-188 Stainless Steel #3/8-16 0.374" 0.188" 0.479" 0.188"-0.188"
  • Material: Stainless Steel
  • Thread: #3/8-16
  • Body Length: 0.374"
  • Shank Length: 0.188"
  • Shank OD: 0.479"
  • Panel Thickness: 0.188"-0.188"
SSR008-250 Stainless Steel #3/8-16 0.312" 0.250" 0.479" 0.250"-0.250"
  • Material: Stainless Steel
  • Thread: #3/8-16
  • Body Length: 0.312"
  • Shank Length: 0.250"
  • Shank OD: 0.479"
  • Panel Thickness: 0.250"-0.250"

7.0mm Captive Panel Retainer - Type A

M3.0x0.5

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SS5907-1 Stainless Steel M3.0x0.5 5.2mm 1.3mm 5.0mm 6.5mm-6.5mm
  • Material: Stainless Steel
  • Thread: M3.0x0.5
  • Body Length: 5.2mm
  • Shank Length: 1.3mm
  • Shank OD: 5.0mm
  • Panel Thickness: 6.5mm-6.5mm
SS5907-2 Stainless Steel M3.0x0.5 4.3mm 2mm 5.0mm 4.8mm-4.8mm
  • Material: Stainless Steel
  • Thread: M3.0x0.5
  • Body Length: 4.3mm
  • Shank Length: 2mm
  • Shank OD: 5.0mm
  • Panel Thickness: 4.8mm-4.8mm
SS5907-3 Stainless Steel M3.0x0.5 3.3mm 3.2mm 5.0mm 2.8mm-3.6mm
  • Material: Stainless Steel
  • Thread: M3.0x0.5
  • Body Length: 3.3mm
  • Shank Length: 3.2mm
  • Shank OD: 5.0mm
  • Panel Thickness: 2.8mm-3.6mm

M3.5x0.6

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SS5908-1 Stainless Steel M3.5x0.6 6.7mm 1.3mm 5.0mm 6.5mm-6.5mm
  • Material: Stainless Steel
  • Thread: M3.5x0.6
  • Body Length: 6.7mm
  • Shank Length: 1.3mm
  • Shank OD: 5.0mm
  • Panel Thickness: 6.5mm-6.5mm
SS5908-2 Stainless Steel M3.5x0.6 6mm 2mm 5.0mm 4.8mm-4.8mm
  • Material: Stainless Steel
  • Thread: M3.5x0.6
  • Body Length: 6mm
  • Shank Length: 2mm
  • Shank OD: 5.0mm
  • Panel Thickness: 4.8mm-4.8mm
SS5908-3 Stainless Steel M3.5x0.6 4.8mm 3.2mm 5.0mm 2.8mm-3.6mm
  • Material: Stainless Steel
  • Thread: M3.5x0.6
  • Body Length: 4.8mm
  • Shank Length: 3.2mm
  • Shank OD: 5.0mm
  • Panel Thickness: 2.8mm-3.6mm
SS5908-4 Stainless Steel M3.5x0.6 3.2mm 4.8mm 5.0mm 1.9mm-2.8mm
  • Material: Stainless Steel
  • Thread: M3.5x0.6
  • Body Length: 3.2mm
  • Shank Length: 4.8mm
  • Shank OD: 5.0mm
  • Panel Thickness: 1.9mm-2.8mm

8.0mm Captive Panel Retainer - Type A

M4.0x0.7

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SS5909-1 Stainless Steel M4.0x0.7 6.7mm 1.3mm 5.8mm 6.5mm-6.5mm
  • Material: Stainless Steel
  • Thread: M4.0x0.7
  • Body Length: 6.7mm
  • Shank Length: 1.3mm
  • Shank OD: 5.8mm
  • Panel Thickness: 6.5mm-6.5mm
SS5909-2 Stainless Steel M4.0x0.7 6mm 2mm 5.8mm 4.8mm-4.8mm
  • Material: Stainless Steel
  • Thread: M4.0x0.7
  • Body Length: 6mm
  • Shank Length: 2mm
  • Shank OD: 5.8mm
  • Panel Thickness: 4.8mm-4.8mm
SS5909-3 Stainless Steel M4.0x0.7 4.8mm 3.2mm 5.8mm 2.8mm-3.6mm
  • Material: Stainless Steel
  • Thread: M4.0x0.7
  • Body Length: 4.8mm
  • Shank Length: 3.2mm
  • Shank OD: 5.8mm
  • Panel Thickness: 2.8mm-3.6mm
SS5909-4 Stainless Steel M4.0x0.7 3.2mm 4.8mm 5.8mm 1.9mm-2.8mm
  • Material: Stainless Steel
  • Thread: M4.0x0.7
  • Body Length: 3.2mm
  • Shank Length: 4.8mm
  • Shank OD: 5.8mm
  • Panel Thickness: 1.9mm-2.8mm

10.0mm Captive Panel Retainer - Type A

M5.0x0.8

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SS5910-1 Stainless Steel M5.0x0.8 8.2mm 1.3mm 7.1mm 6.5mm-6.5mm
  • Material: Stainless Steel
  • Thread: M5.0x0.8
  • Body Length: 8.2mm
  • Shank Length: 1.3mm
  • Shank OD: 7.1mm
  • Panel Thickness: 6.5mm-6.5mm
SS5910-2 Stainless Steel M5.0x0.8 7.5mm 2mm 7.1mm 4.8mm-4.8mm
  • Material: Stainless Steel
  • Thread: M5.0x0.8
  • Body Length: 7.5mm
  • Shank Length: 2mm
  • Shank OD: 7.1mm
  • Panel Thickness: 4.8mm-4.8mm
SS5910-3 Stainless Steel M5.0x0.8 6.3mm 3.2mm 7.1mm 2.8mm-3.6mm
  • Material: Stainless Steel
  • Thread: M5.0x0.8
  • Body Length: 6.3mm
  • Shank Length: 3.2mm
  • Shank OD: 7.1mm
  • Panel Thickness: 2.8mm-3.6mm
SS5910-4 Stainless Steel M5.0x0.8 4.7mm 4.8mm 7.1mm 1.9mm-2.8mm
  • Material: Stainless Steel
  • Thread: M5.0x0.8
  • Body Length: 4.7mm
  • Shank Length: 4.8mm
  • Shank OD: 7.1mm
  • Panel Thickness: 1.9mm-2.8mm
SS5910-5 Stainless Steel M5.0x0.8 3.1mm 6.4mm 7.1mm 1.2mm-1.8mm
  • Material: Stainless Steel
  • Thread: M5.0x0.8
  • Body Length: 3.1mm
  • Shank Length: 6.4mm
  • Shank OD: 7.1mm
  • Panel Thickness: 1.2mm-1.8mm

13.0mm Captive Panel Retainer - Type A

M6.0x1.0

Part Number Material Thread Body Length Shank Length Shank OD Panel Thickness Details
SS5911-1 Stainless Steel M6.0x1.0 9.7mm 1.3mm 9.3mm 6.5mm-6.5mm
  • Material: Stainless Steel
  • Thread: M6.0x1.0
  • Body Length: 9.7mm
  • Shank Length: 1.3mm
  • Shank OD: 9.3mm
  • Panel Thickness: 6.5mm-6.5mm
SS5911-2 Stainless Steel M6.0x1.0 9mm 2mm 9.3mm 4.8mm-4.8mm
  • Material: Stainless Steel
  • Thread: M6.0x1.0
  • Body Length: 9mm
  • Shank Length: 2mm
  • Shank OD: 9.3mm
  • Panel Thickness: 4.8mm-4.8mm
SS5911-3 Stainless Steel M6.0x1.0 7.8mm 3.2mm 9.3mm 2.8mm-3.6mm
  • Material: Stainless Steel
  • Thread: M6.0x1.0
  • Body Length: 7.8mm
  • Shank Length: 3.2mm
  • Shank OD: 9.3mm
  • Panel Thickness: 2.8mm-3.6mm
SS5911-4 Stainless Steel M6.0x1.0 6.2mm 4.8mm 9.3mm 1.9mm-2.8mm
  • Material: Stainless Steel
  • Thread: M6.0x1.0
  • Body Length: 6.2mm
  • Shank Length: 4.8mm
  • Shank OD: 9.3mm
  • Panel Thickness: 1.9mm-2.8mm
SS5911-5 Stainless Steel M6.0x1.0 4.6mm 6.4mm 9.3mm 1.2mm-1.8mm
  • Material: Stainless Steel
  • Thread: M6.0x1.0
  • Body Length: 4.6mm
  • Shank Length: 6.4mm
  • Shank OD: 9.3mm
  • Panel Thickness: 1.2mm-1.8mm