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OneMonroe’s Lyn-Tron Captive Panel Screws are proudly manufactured in the USA and engineered for reliable, secure fastening in electronic enclosures, panels, and industrial assemblies. Designed to remain attached to the panel even when disengaged, these captive screws eliminate the risk of lost hardware and improve serviceability in high-vibration or maintenance-intensive environments.

Crafted with precision and available in a variety of thread sizes, head styles, and finishes, Lyn-Tron Captive Panel Screws offer a clean, professional look with consistent performance. These screws are ideal for use in aerospace, defense, telecom, and rack-mounted systems where retention and durability are critical.

As part of the trusted Lyn-Tron brand, our captive panel screws are CNC-machined to tight tolerances and meet demanding quality standards. Whether you're building custom equipment or retrofitting existing hardware, you can count on OneMonroe’s American-made quality and engineering expertise.

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Unit of Measure
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Item #

OD

Head Diameter

Shank DIA

Male Thread

Head Length

Thread Length

Knurl TPI

Material

Style

Quantity
SS3208-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3209-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3210-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3211-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3212-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3213-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3214-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3215-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3216-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3217-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3218-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3219-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3220-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3221-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3222-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3223-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3224-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3225-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3226-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3227-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3228-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3229-00 N/A 9/16 N/A 9/16 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3230-00 N/A 3/4 N/A 3/4 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3231-00 N/A 3/4 N/A 3/4 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3232-00 N/A 3/4 N/A 3/4 N/A .175 N/A 1/4-20 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
Unit of Measure
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