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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Material

Male Thread

Head Diameter

Shank Length

Under Head Length

Item #

Material

Male Thread

Head Diameter

Shank Length

Under Head Length

N/A Brass N/A M3X0.5 N/A 8 N/A 9.5 N/A 16.5
N/A Brass N/A M3X0.5 N/A 8 N/A 11 N/A 18
N/A Brass N/A M3X0.5 N/A 8 N/A 13 N/A 20
N/A Brass N/A M3X0.5 N/A 8 N/A 14.5 N/A 21.5
N/A Brass N/A M3X0.5 N/A 8 N/A 16 N/A 23
N/A Brass N/A M3.5X0.6 N/A 8 N/A 9.5 N/A 16.5
N/A Brass N/A M3.5X0.6 N/A 8 N/A 11 N/A 18
N/A Brass N/A M3.5X0.6 N/A 8 N/A 13 N/A 20
N/A Brass N/A M3.5X0.6 N/A 8 N/A 14.5 N/A 21.5
N/A Brass N/A M3.5X0.6 N/A 8 N/A 16 N/A 23
N/A Brass N/A M3.5X0.6 N/A 9.5 N/A 9.5 N/A 16.5
N/A Brass N/A M3.5X0.6 N/A 9.5 N/A 11 N/A 18
N/A Brass N/A M3.5X0.6 N/A 9.5 N/A 13 N/A 20
N/A Brass N/A M3.5X0.6 N/A 9.5 N/A 14.5 N/A 21.5
N/A Brass N/A M3.5X0.6 N/A 9.5 N/A 16 N/A 23
N/A Brass N/A M4X0.7 N/A 11 N/A 6.5 N/A 16
N/A Brass N/A M4X0.7 N/A 11 N/A 8 N/A 17.5
N/A Brass N/A M4X0.7 N/A 11 N/A 9.5 N/A 19
N/A Brass N/A M4X0.7 N/A 11 N/A 11 N/A 20.5
N/A Brass N/A M4X0.7 N/A 11 N/A 12.5 N/A 22
N/A Brass N/A M4X0.7 N/A 11 N/A 14.5 N/A 24
N/A Brass N/A M4X0.7 N/A 11 N/A 16 N/A 25.5
N/A Brass N/A M4X0.7 N/A 11 N/A 17.5 N/A 27
N/A Brass N/A M4X0.7 N/A 11 N/A 19 N/A 28.5
N/A Brass N/A M4X0.7 N/A 11 N/A 21 N/A 30.5
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