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OneMonroe’s Lyn-Tron brand Metric Plain Thumb Screws are precision-machined fasteners designed for easy, tool-free adjustment and secure fastening in metric applications. Manufactured in the USA, these thumb screws feature a knurled head for enhanced grip, allowing quick installation and removal by hand.

Crafted from high-quality materials and engineered to meet exacting standards, Lyn-Tron Metric Plain Thumb Screws are ideal for applications requiring frequent access or adjustment, such as electronics, machinery panels, enclosures, and laboratory equipment. Their clean, smooth design ensures a professional appearance and reliable performance in demanding environments.

With a commitment to quality and American manufacturing, OneMonroe’s Lyn-Tron line delivers consistent, high-performance hardware solutions trusted by engineers and manufacturers worldwide.

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Male Thread

Thread Length

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Material

OD

Head Diameter

Male Thread

OAL

Head Length

Thread Length

Part Description

N/A Brass N/A 8 mm N/A 8 mm N/A M3X0.5 N/A 13 mm N/A 5 mm N/A 8 mm N/A M3X0.5 Male Thread x 8 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 8 mm N/A 8 mm N/A M3X0.5 N/A 14 mm N/A 5 mm N/A 9 mm N/A M3X0.5 Male Thread x 9 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 8 mm N/A 8 mm N/A M3X0.5 N/A 16 mm N/A 5 mm N/A 11 mm N/A M3X0.5 Male Thread x 11 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 8 mm N/A 8 mm N/A M3X0.5 N/A 18 mm N/A 5 mm N/A 13 mm N/A M3X0.5 Male Thread x 13 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 8 mm N/A 8 mm N/A M3.5X0.6 N/A 13 mm N/A 5 mm N/A 8 mm N/A M3.5X0.6 Male Thread x 8 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 8 mm N/A 8 mm N/A M3.5X0.6 N/A 14 mm N/A 5 mm N/A 9 mm N/A M3.5X0.6 Male Thread x 9 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 8 mm N/A 8 mm N/A M3.5X0.6 N/A 16 mm N/A 5 mm N/A 11 mm N/A M3.5X0.6 Male Thread x 11 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 8 mm N/A 8 mm N/A M3.5X0.6 N/A 18 mm N/A 5 mm N/A 13 mm N/A M3.5X0.6 Male Thread x 13 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 10 mm N/A 10 mm N/A M4X0.7 N/A 14 mm N/A 5 mm N/A 9 mm N/A M4X0.7 Male Thread x 9 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 10 mm N/A 10 mm N/A M4X0.7 N/A 16 mm N/A 5 mm N/A 11 mm N/A M4X0.7 Male Thread x 11 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 10 mm N/A 10 mm N/A M4X0.7 N/A 18 mm N/A 5 mm N/A 13 mm N/A M4X0.7 Male Thread x 13 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 10 mm N/A 10 mm N/A M4X0.7 N/A 19 mm N/A 5 mm N/A 14 mm N/A M4X0.7 Male Thread x 14 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 10 mm N/A 10 mm N/A M4X0.7 N/A 21 mm N/A 5 mm N/A 16 mm N/A M4X0.7 Male Thread x 16 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 11 mm N/A 11 mm N/A M5X0.8 N/A 14 mm N/A 5 mm N/A 9 mm N/A M5X0.8 Male Thread x 9 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 11 mm N/A 11 mm N/A M5X0.8 N/A 16 mm N/A 5 mm N/A 11 mm N/A M5X0.8 Male Thread x 11 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 11 mm N/A 11 mm N/A M5X0.8 N/A 18 mm N/A 5 mm N/A 13 mm N/A M5X0.8 Male Thread x 13 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 11 mm N/A 11 mm N/A M5X0.8 N/A 19 mm N/A 5 mm N/A 14 mm N/A M5X0.8 Male Thread x 14 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 11 mm N/A 11 mm N/A M5X0.8 N/A 21 mm N/A 5 mm N/A 16 mm N/A M5X0.8 Male Thread x 16 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 13 mm N/A 13 mm N/A M6X1 N/A 19 mm N/A 6 mm N/A 13 mm N/A M6X1 Male Thread x 13 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 13 mm N/A 13 mm N/A M6X1 N/A 21 mm N/A 6 mm N/A 14 mm N/A M6X1 Male Thread x 14 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 13 mm N/A 13 mm N/A M6X1 N/A 22 mm N/A 6 mm N/A 16 mm N/A M6X1 Male Thread x 16 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 13 mm N/A 13 mm N/A M6X1 N/A 24 mm N/A 6 mm N/A 18 mm N/A M6X1 Male Thread x 18 mm Thread Length Brass Metric Plain Thumb Screw
N/A Brass N/A 13 mm N/A 13 mm N/A M6X1 N/A 25 mm N/A 6 mm N/A 19 mm N/A M6X1 Male Thread x 19 mm Thread Length Brass Metric Plain Thumb Screw
N/A Stainless Steel N/A 8 mm N/A 8 mm N/A M3X0.5 N/A 13 mm N/A 5 mm N/A 8 mm N/A M3X0.5 Male Thread x 8 mm Thread Length Stainless Steel Metric Plain Thumb Screw
N/A Stainless Steel N/A 8 mm N/A 8 mm N/A M3X0.5 N/A 14 mm N/A 5 mm N/A 9 mm N/A M3X0.5 Male Thread x 9 mm Thread Length Stainless Steel Metric Plain Thumb Screw
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