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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
BR3100-00 N/A 5/16 N/A 5/16 N/A .078 N/A 4-40 N/A 3/16 N/A 9/32 N/A 35 N/A Brass N/A Large Head
BR3101-00 N/A 5/16 N/A 5/16 N/A .078 N/A 4-40 N/A 3/16 N/A 9/32 N/A 35 N/A Brass N/A Large Head
BR3102-00 N/A 5/16 N/A 5/16 N/A .078 N/A 4-40 N/A 3/16 N/A 9/32 N/A 35 N/A Brass N/A Large Head
BR3103-00 N/A 5/16 N/A 5/16 N/A .078 N/A 4-40 N/A 3/16 N/A 9/32 N/A 35 N/A Brass N/A Large Head
BR3104-00 N/A 5/16 N/A 5/16 N/A .078 N/A 4-40 N/A 3/16 N/A 9/32 N/A 35 N/A Brass N/A Large Head
BR3105-00 N/A 5/16 N/A 5/16 N/A .095 N/A 6-32 N/A 3/16 N/A 9/32 N/A 35 N/A Brass N/A Large Head
BR3106-00 N/A 5/16 N/A 5/16 N/A .095 N/A 6-32 N/A 3/16 N/A 9/32 N/A 35 N/A Brass N/A Large Head
BR3107-00 N/A 5/16 N/A 5/16 N/A .095 N/A 6-32 N/A 3/16 N/A 9/32 N/A 35 N/A Brass N/A Large Head
BR3108-00 N/A 5/16 N/A 5/16 N/A .095 N/A 6-32 N/A 3/16 N/A 9/32 N/A 35 N/A Brass N/A Large Head
BR3109-00 N/A 5/16 N/A 5/16 N/A .095 N/A 6-32 N/A 3/16 N/A 9/32 N/A 35 N/A Brass N/A Large Head
BR3110-00 N/A 3/8 N/A 3/8 N/A .095 N/A 6-32 N/A 3/16 N/A 9/32 N/A 30 N/A Brass N/A Large Head
BR3111-00 N/A 3/8 N/A 3/8 N/A .095 N/A 6-32 N/A 3/16 N/A 9/32 N/A 30 N/A Brass N/A Large Head
BR3112-00 N/A 3/8 N/A 3/8 N/A .095 N/A 6-32 N/A 3/16 N/A 9/32 N/A 30 N/A Brass N/A Large Head
BR3113-00 N/A 3/8 N/A 3/8 N/A .095 N/A 6-32 N/A 3/16 N/A 9/32 N/A 30 N/A Brass N/A Large Head
BR3114-00 N/A 3/8 N/A 3/8 N/A .095 N/A 6-32 N/A 3/16 N/A 9/32 N/A 30 N/A Brass N/A Large Head
BR3115-00 N/A 7/16 N/A 7/16 N/A .120 N/A 8-32 N/A 1/4 N/A 3/8 N/A 30 N/A Brass N/A Large Head
BR3116-00 N/A 7/16 N/A 7/16 N/A .120 N/A 8-32 N/A 1/4 N/A 3/8 N/A 30 N/A Brass N/A Large Head
BR3117-00 N/A 7/16 N/A 7/16 N/A .120 N/A 8-32 N/A 1/4 N/A 3/8 N/A 30 N/A Brass N/A Large Head
BR3118-00 N/A 7/16 N/A 7/16 N/A .120 N/A 8-32 N/A 1/4 N/A 3/8 N/A 30 N/A Brass N/A Large Head
BR3119-00 N/A 7/16 N/A 7/16 N/A .120 N/A 8-32 N/A 1/4 N/A 3/8 N/A 30 N/A Brass N/A Large Head
BR3120-00 N/A 7/16 N/A 7/16 N/A .120 N/A 8-32 N/A 1/4 N/A 3/8 N/A 30 N/A Brass N/A Large Head
BR3121-00 N/A 7/16 N/A 7/16 N/A .120 N/A 8-32 N/A 1/4 N/A 3/8 N/A 30 N/A Brass N/A Large Head
BR3122-00 N/A 7/16 N/A 7/16 N/A .120 N/A 8-32 N/A 1/4 N/A 3/8 N/A 30 N/A Brass N/A Large Head
BR3123-00 N/A 7/16 N/A 7/16 N/A .120 N/A 8-32 N/A 1/4 N/A 3/8 N/A 30 N/A Brass N/A Large Head
BR3124-00 N/A 7/16 N/A 7/16 N/A .120 N/A 8-32 N/A 1/4 N/A 3/8 N/A 30 N/A Brass N/A Large Head
Unit of Measure
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