Monroe
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OneMonroe’s Lyn-tron Metric Push Type Thumb Screws are precision-engineered fastening solutions proudly manufactured in the USA. Designed for tool-free operation, these screws offer quick and reliable assembly or disassembly, making them ideal for applications that require frequent access or adjustment.

Crafted with high-quality materials and built to meet stringent metric standards, our push type thumb screws provide a secure grip and smooth engagement. The ergonomic head allows for easy manual tightening without the need for tools, while the push-to-lock design ensures consistent performance in industrial, electronic, and mechanical assemblies.

Backed by Lyn-tron’s reputation for American-made quality and OneMonroe’s commitment to customer satisfaction, these thumb screws are an excellent choice for engineers and OEMs seeking durability, efficiency, and precision in metric hardware.

push-thumb-screw_large
Unit of Measure
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Item #

Material

OD

Head Diameter

Male Thread

OAL

Head Length

Thread Length

Part Description

Quantity
BR5500-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 25 mm N/A 9 mm N/A 16 mm N/A M3.5X0.6 Male Thread x 16 mm Thread Length Brass Metric Push Type Thumb Screw
BR5501-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 28 mm N/A 9 mm N/A 19 mm N/A M3.5X0.6 Male Thread x 19 mm Thread Length Brass Metric Push Type Thumb Screw
BR5502-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 31 mm N/A 9 mm N/A 22 mm N/A M3.5X0.6 Male Thread x 22 mm Thread Length Brass Metric Push Type Thumb Screw
BR5503-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 34 mm N/A 9 mm N/A 25 mm N/A M3.5X0.6 Male Thread x 25 mm Thread Length Brass Metric Push Type Thumb Screw
BR5504-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 37 mm N/A 9 mm N/A 28 mm N/A M3.5X0.6 Male Thread x 28 mm Thread Length Brass Metric Push Type Thumb Screw
BR5505-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 40 mm N/A 9 mm N/A 31 mm N/A M3.5X0.6 Male Thread x 31 mm Thread Length Brass Metric Push Type Thumb Screw
BR5506-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 43 mm N/A 9 mm N/A 34 mm N/A M3.5X0.6 Male Thread x 34 mm Thread Length Brass Metric Push Type Thumb Screw
BR5507-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 46 mm N/A 9 mm N/A 37 mm N/A M3.5X0.6 Male Thread x 37 mm Thread Length Brass Metric Push Type Thumb Screw
BR5508-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 49 mm N/A 9 mm N/A 40 mm N/A M3.5X0.6 Male Thread x 40 mm Thread Length Brass Metric Push Type Thumb Screw
BR5509-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 52 mm N/A 9 mm N/A 43 mm N/A M3.5X0.6 Male Thread x 43 mm Thread Length Brass Metric Push Type Thumb Screw
BR5510-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 55 mm N/A 9 mm N/A 46 mm N/A M3.5X0.6 Male Thread x 46 mm Thread Length Brass Metric Push Type Thumb Screw
BR5511-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M3.5X0.6 N/A 58 mm N/A 9 mm N/A 49 mm N/A M3.5X0.6 Male Thread x 49 mm Thread Length Brass Metric Push Type Thumb Screw
BR5512-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 25 mm N/A 9 mm N/A 16 mm N/A M4X0.7 Male Thread x 16 mm Thread Length Brass Metric Push Type Thumb Screw
BR5513-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 28 mm N/A 9 mm N/A 19 mm N/A M4X0.7 Male Thread x 19 mm Thread Length Brass Metric Push Type Thumb Screw
BR5514-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 31 mm N/A 9 mm N/A 22 mm N/A M4X0.7 Male Thread x 22 mm Thread Length Brass Metric Push Type Thumb Screw
BR5515-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 34 mm N/A 9 mm N/A 25 mm N/A M4X0.7 Male Thread x 25 mm Thread Length Brass Metric Push Type Thumb Screw
BR5516-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 37 mm N/A 9 mm N/A 28 mm N/A M4X0.7 Male Thread x 28 mm Thread Length Brass Metric Push Type Thumb Screw
BR5517-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 40 mm N/A 9 mm N/A 31 mm N/A M4X0.7 Male Thread x 31 mm Thread Length Brass Metric Push Type Thumb Screw
BR5518-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 43 mm N/A 9 mm N/A 34 mm N/A M4X0.7 Male Thread x 34 mm Thread Length Brass Metric Push Type Thumb Screw
BR5519-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 46 mm N/A 9 mm N/A 37 mm N/A M4X0.7 Male Thread x 37 mm Thread Length Brass Metric Push Type Thumb Screw
BR5520-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 49 mm N/A 9 mm N/A 40 mm N/A M4X0.7 Male Thread x 40 mm Thread Length Brass Metric Push Type Thumb Screw
BR5521-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 52 mm N/A 9 mm N/A 43 mm N/A M4X0.7 Male Thread x 43 mm Thread Length Brass Metric Push Type Thumb Screw
BR5522-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 55 mm N/A 9 mm N/A 46 mm N/A M4X0.7 Male Thread x 46 mm Thread Length Brass Metric Push Type Thumb Screw
BR5523-00 N/A Brass N/A 4.5 mm N/A 4.5 mm N/A M4X0.7 N/A 58 mm N/A 9 mm N/A 49 mm N/A M4X0.7 Male Thread x 49 mm Thread Length Brass Metric Push Type Thumb Screw
BR5524-00 N/A Brass N/A 6.5 mm N/A 6.5 mm N/A M5X0.8 N/A 29 mm N/A 13 mm N/A 16 mm N/A M5X0.8 Male Thread x 16 mm Thread Length Brass Metric Push Type Thumb Screw
Unit of Measure
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