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Captive Panel Screw - Type 1

Captive Panel Screws are designed to remain attached even if unscrewed when used with a captive panel retainer. Most commonly used on control panel doors to keep the door screwed shut during normal operating conditions. When access is needed, unthreading the screw allows for the door to be open, while the retainer keeps the 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.

Types of Captive Panel Screws

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

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

  • Brass Captive Panel Screws
  • Stainless Steel Captive Panel Screws
  • Steel Captive Panel Screws

More Questions About Lyn-Tron Products?

Lyn-Tron has been manufacturing electronic components and hardware 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 our services or selecting a captive panel screws for your project, need more information, or if you would like to request custom parts or OEM-designed hardware manufactured to your print.

#1/4-20 Captive Panel Screw - Type 1

Steel

Part Number Material Male Thread Head Diameter Shank Length Under Head Length Details
ST3207 Steel #1/4-20 9/16" 1/4" 5/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1/4"
  • Under Head Length: 5/8"
ST3208 Steel #1/4-20 9/16" 5/16" 11/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 5/16"
  • Under Head Length: 11/16"
ST3209 Steel #1/4-20 9/16" 3/8" 3/4"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 3/8"
  • Under Head Length: 3/4"
ST3210 Steel #1/4-20 9/16" 7/16" 13/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 7/16"
  • Under Head Length: 13/16"
ST3211 Steel #1/4-20 9/16" 1/2" 7/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1/2"
  • Under Head Length: 7/8"
ST3212 Steel #1/4-20 9/16" 9/16" 15/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 9/16"
  • Under Head Length: 15/16"
ST3213 Steel #1/4-20 9/16" 5/8" 1"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 5/8"
  • Under Head Length: 1"
ST3214 Steel #1/4-20 9/16" 11/16" 1-1/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 11/16"
  • Under Head Length: 1-1/16"
ST3215 Steel #1/4-20 9/16" 3/4" 1-1/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 3/4"
  • Under Head Length: 1-1/8"
ST3216 Steel #1/4-20 9/16" 13/16" 1-3/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 13/16"
  • Under Head Length: 1-3/16"
ST3217 Steel #1/4-20 9/16" 7/8" 1-1/4"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 7/8"
  • Under Head Length: 1-1/4"
ST3218 Steel #1/4-20 9/16" 15/16" 1-5/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 15/16"
  • Under Head Length: 1-5/16"
ST3219 Steel #1/4-20 9/16" 1" 1-3/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1"
  • Under Head Length: 1-3/8"
ST3220 Steel #1/4-20 9/16" 1-1/16" 1-7/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1-1/16"
  • Under Head Length: 1-7/16"
ST3221 Steel #1/4-20 9/16" 1-1/8" 1-1/2"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1-1/8"
  • Under Head Length: 1-1/2"
ST3222 Steel #1/4-20 9/16" 1-3/16" 1-9/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1-3/16"
  • Under Head Length: 1-9/16"
ST3223 Steel #1/4-20 9/16" 1-1/4" 1-5/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1-1/4"
  • Under Head Length: 1-5/8"
ST3224 Steel #1/4-20 9/16" 1-5/16" 1-11/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1-5/16"
  • Under Head Length: 1-11/16"
ST3225 Steel #1/4-20 9/16" 1-3/8" 1-3/4"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1-3/8"
  • Under Head Length: 1-3/4"
ST3226 Steel #1/4-20 9/16" 1-7/16" 1-13/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1-7/16"
  • Under Head Length: 1-13/16"
ST3227 Steel #1/4-20 9/16" 1-1/2" 1-7/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1-1/2"
  • Under Head Length: 1-7/8"
ST3228 Steel #1/4-20 9/16" 1-9/16" 1-15/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1-9/16"
  • Under Head Length: 1-15/16"
ST3229 Steel #1/4-20 9/16" 1-5/8 2"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 9/16"
  • Shank Length: 1-5/8
  • Under Head Length: 2"
ST3230 Steel #1/4-20 3/4" 1/4" 5/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1/4"
  • Under Head Length: 5/8"
ST3231 Steel #1/4-20 3/4" 5/16" 11/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 5/16"
  • Under Head Length: 11/16"
ST3232 Steel #1/4-20 3/4" 3/8" 3/4"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 3/8"
  • Under Head Length: 3/4"
ST3233 Steel #1/4-20 3/4" 7/16" 13/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 7/16"
  • Under Head Length: 13/16"
ST3234 Steel #1/4-20 3/4" 1/2" 7/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1/2"
  • Under Head Length: 7/8"
ST3235 Steel #1/4-20 3/4" 9/16" 15/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 9/16"
  • Under Head Length: 15/16"
ST3236 Steel #1/4-20 3/4" 5/8" 1"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 5/8"
  • Under Head Length: 1"
ST3237 Steel #1/4-20 3/4" 11/16" 1-1/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 11/16"
  • Under Head Length: 1-1/16"
ST3238 Steel #1/4-20 3/4" 3/4" 1-1/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 3/4"
  • Under Head Length: 1-1/8"
ST3239 Steel #1/4-20 3/4" 13/16" 1-3/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 13/16"
  • Under Head Length: 1-3/16"
ST3240 Steel #1/4-20 3/4" 7/8" 1-1/4"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 7/8"
  • Under Head Length: 1-1/4"
ST3241 Steel #1/4-20 3/4" 15/16" 1-5/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 15/16"
  • Under Head Length: 1-5/16"
ST3242 Steel #1/4-20 3/4" 1" 1-3/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1"
  • Under Head Length: 1-3/8"
ST3243 Steel #1/4-20 3/4" 1-1/16" 1-7/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1-1/16"
  • Under Head Length: 1-7/16"
ST3244 Steel #1/4-20 3/4" 1-1/8" 1-1/2"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1-1/8"
  • Under Head Length: 1-1/2"
ST3245 Steel #1/4-20 3/4" 1-3/16" 1-9/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1-3/16"
  • Under Head Length: 1-9/16"
ST3246 Steel #1/4-20 3/4" 1-1/4" 1-5/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1-1/4"
  • Under Head Length: 1-5/8"
ST3247 Steel #1/4-20 3/4" 1-5/16" 1-11/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1-5/16"
  • Under Head Length: 1-11/16"
ST3248 Steel #1/4-20 3/4" 1-3/8" 1-3/4"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1-3/8"
  • Under Head Length: 1-3/4"
ST3249 Steel #1/4-20 3/4" 1-7/16" 1-13/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1-7/16"
  • Under Head Length: 1-13/16"
ST3250 Steel #1/4-20 3/4" 1-1/2" 1-7/8"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1-1/2"
  • Under Head Length: 1-7/8"
ST3251 Steel #1/4-20 3/4" 1-9/16" 1-15/16"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1-9/16"
  • Under Head Length: 1-15/16"
ST3252 Steel #1/4-20 3/4" 1-5/8 2"
  • Material: Steel
  • Male Thread: #1/4-20
  • Head Diameter: 3/4"
  • Shank Length: 1-5/8
  • Under Head Length: 2"