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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
SS3333-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3334-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3335-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3336-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3337-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3338-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3339-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3340-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3341-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3342-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3343-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3344-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3345-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3346-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3347-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3348-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3349-00 N/A 9/16 N/A 9/16 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3350-00 N/A 3/4 N/A 3/4 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3351-00 N/A 3/4 N/A 3/4 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3352-00 N/A 3/4 N/A 3/4 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3353-00 N/A 3/4 N/A 3/4 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3354-00 N/A 3/4 N/A 3/4 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3355-00 N/A 3/4 N/A 3/4 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3356-00 N/A 3/4 N/A 3/4 N/A .235 N/A 5/16-24 N/A 1/4 N/A 3/8 N/A 30 N/A Stainless Steel N/A Large Head
SS3357-00 N/A 3/4 N/A 3/4 N/A .235 N/A 5/16-24 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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