The Lyn-Tron Metric Round Thumb Nut is precision-engineered in the USA to deliver reliable hand-tightening for a variety of applications. Designed with a knurled, easy-grip surface, this nut allows for tool-free installation and removal, making it ideal for equipment panels, enclosures, and assemblies requiring frequent access or adjustment.
Manufactured under the trusted Lyn-Tron brand, this thumb nut features high-quality materials and tight tolerances to ensure strength, durability, and a clean fit on metric-threaded components. Whether used in electronics, industrial machinery, or prototyping, it provides a dependable fastening solution with a professional finish.
As part of OneMonroe’s extensive line of fasteners and precision hardware, the Lyn-Tron Metric Round Thumb Nut reflects our commitment to American-made quality and engineering excellence.
| Items |
 BR5560-00 Metric Round Thumb Nut |
BR5561-00 Metric Round Thumb Nut |
BR5562-00 Metric Round Thumb Nut |
BR5563-00 Metric Round Thumb Nut |
BR5564-00 Metric Round Thumb Nut |
|||||
| Material | Brass | |||||||||
| OD | 6 mm | 8 mm | 10 mm | 10 mm | 13 mm | |||||
| Head Diameter | 6 mm | 8 mm | 10 mm | 10 mm | 13 mm | |||||
| Washer Dia | 5 mm | 6 mm | 9 mm | 9 mm | 11 mm | |||||
| Female Thread | M2.5x0.45 | M3X0.5 | M3.5x0.6 | M4X0.7 | M5X0.8 | |||||
| OAL | 6 mm | 6 mm | 7 mm | 7 mm | 9 mm | |||||
| Head Length | 3 mm | 3 mm | 3 mm | 3 mm | 4 mm | |||||
| Washer Length | 3 mm | 3 mm | 4 mm | 4 mm | 5 mm | |||||
| Part Description | M2.5X0.45 Female Thread, Brass Metric Round Thumb Nut | M3X0.5 Female Thread, Brass Metric Round Thumb Nut | M3.5X0.6 Female Thread, Brass Metric Round Thumb Nut | M4X0.7 Female Thread, Brass Metric Round Thumb Nut | M5X0.8 Female Thread, Brass Metric Round Thumb Nut | |||||
|
|
||||||||||
