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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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Item #

OD

Head Diameter

Shank DIA

Point Diameter

Male Thread

Head Length

Thread Length

Point Length

Material

Knurl TPI

Style

Quantity
BR3492-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3493-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3494-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3495-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3496-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3497-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3498-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3499-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3500-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3501-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3502-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3503-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3504-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3505-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3506-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3507-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3508-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3509-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3510-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3511-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3512-00 N/A 1/2 N/A 1/2 N/A .175 N/A .175 N/A 1/4-28 N/A 9/16 N/A 5/16 N/A 3/16 N/A Brass N/A 30 N/A Thin Head
BR3513-00 N/A 5/8 N/A 5/8 N/A .230 N/A .230 N/A 5/16-18 N/A 11/16 N/A 3/8 N/A 1/4 N/A Brass N/A 30 N/A Thin Head
BR3514-00 N/A 5/8 N/A 5/8 N/A .230 N/A .230 N/A 5/16-18 N/A 11/16 N/A 3/8 N/A 1/4 N/A Brass N/A 30 N/A Thin Head
BR3515-00 N/A 5/8 N/A 5/8 N/A .230 N/A .230 N/A 5/16-18 N/A 11/16 N/A 3/8 N/A 1/4 N/A Brass N/A 30 N/A Thin Head
BR3516-00 N/A 5/8 N/A 5/8 N/A .230 N/A .230 N/A 5/16-18 N/A 11/16 N/A 3/8 N/A 1/4 N/A Brass N/A 30 N/A Thin Head
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