Metric Washer Face Thumb Screw
Thumb Screws
OneMonroe’s Lyn-tron brand Metric Washer Face Thumb Screws are proudly manufactured in the USA, delivering precision-engineered fastening solutions for applications that demand reliability and performance. Designed with a wide washer face, these thumb screws provide increased surface contact to prevent damage to panels, enclosures, or sensitive components during manual tightening.
Made from high-quality materials and produced under strict manufacturing standards, Lyn-tron’s metric washer face thumb screws are ideal for industries such as electronics, aerospace, instrumentation, and medical devices. The ergonomic knurled head ensures easy, tool-free installation and removal, making them perfect for assemblies that require frequent access or adjustments.
Available in a variety of metric sizes and finishes, these thumb screws combine function with durability, backed by American-made craftsmanship and OneMonroe’s commitment to quality.
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Item # |
Material |
OD |
Head Diameter |
Washer Dia |
Male Thread |
OAL |
Head Length |
Thread Length |
|---|---|---|---|---|---|---|---|---|
| BR5440-00 | Material N/A Brass | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3X0.5 | OAL N/A 16 mm | Head Length N/A 5 mm | Thread Length N/A 8 mm |
| BR5441-00 | Material N/A Brass | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3X0.5 | OAL N/A 17 mm | Head Length N/A 5 mm | Thread Length N/A 9 mm |
| BR5442-00 | Material N/A Brass | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3X0.5 | OAL N/A 19 mm | Head Length N/A 5 mm | Thread Length N/A 11 mm |
| BR5443-00 | Material N/A Brass | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3.5X0.6 | OAL N/A 17 mm | Head Length N/A 5 mm | Thread Length N/A 9 mm |
| BR5444-00 | Material N/A Brass | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3.5X0.6 | OAL N/A 19 mm | Head Length N/A 5 mm | Thread Length N/A 11 mm |
| BR5445-00 | Material N/A Brass | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3.5X0.6 | OAL N/A 21 mm | Head Length N/A 5 mm | Thread Length N/A 13 mm |
| BR5446-00 | Material N/A Brass | OD N/A 11 mm | Head Diameter N/A 11 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M4X0.7 | OAL N/A 17 mm | Head Length N/A 5 mm | Thread Length N/A 9 mm |
| BR5447-00 | Material N/A Brass | OD N/A 11 mm | Head Diameter N/A 11 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M4X0.7 | OAL N/A 21 mm | Head Length N/A 5 mm | Thread Length N/A 13 mm |
| BR5448-00 | Material N/A Brass | OD N/A 11 mm | Head Diameter N/A 11 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M4X0.7 | OAL N/A 24 mm | Head Length N/A 5 mm | Thread Length N/A 16 mm |
| BR5449-00 | Material N/A Brass | OD N/A 11 mm | Head Diameter N/A 11 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M5X0.8 | OAL N/A 17 mm | Head Length N/A 5 mm | Thread Length N/A 9 mm |
| BR5450-00 | Material N/A Brass | OD N/A 11 mm | Head Diameter N/A 11 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M5X0.8 | OAL N/A 21 mm | Head Length N/A 5 mm | Thread Length N/A 13 mm |
| BR5451-00 | Material N/A Brass | OD N/A 11 mm | Head Diameter N/A 11 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M5X0.8 | OAL N/A 24 mm | Head Length N/A 5 mm | Thread Length N/A 16 mm |
| BR5452-00 | Material N/A Brass | OD N/A 13 mm | Head Diameter N/A 13 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M6X1 | OAL N/A 18 mm | Head Length N/A 6 mm | Thread Length N/A 9 mm |
| BR5453-00 | Material N/A Brass | OD N/A 13 mm | Head Diameter N/A 13 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M6X1 | OAL N/A 22 mm | Head Length N/A 6 mm | Thread Length N/A 13 mm |
| BR5454-00 | Material N/A Brass | OD N/A 13 mm | Head Diameter N/A 13 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M6X1 | OAL N/A 25 mm | Head Length N/A 6 mm | Thread Length N/A 16 mm |
| BR5455-00 | Material N/A Brass | OD N/A 13 mm | Head Diameter N/A 13 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M6X1 | OAL N/A 28 mm | Head Length N/A 6 mm | Thread Length N/A 19 mm |
| SS5440-00 | Material N/A Stainless Steel | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3X0.5 | OAL N/A 16 mm | Head Length N/A 5 mm | Thread Length N/A 8 mm |
| SS5441-00 | Material N/A Stainless Steel | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3X0.5 | OAL N/A 17 mm | Head Length N/A 5 mm | Thread Length N/A 9 mm |
| SS5442-00 | Material N/A Stainless Steel | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3X0.5 | OAL N/A 19 mm | Head Length N/A 5 mm | Thread Length N/A 11 mm |
| SS5443-00 | Material N/A Stainless Steel | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3.5X0.6 | OAL N/A 17 mm | Head Length N/A 5 mm | Thread Length N/A 9 mm |
| SS5444-00 | Material N/A Stainless Steel | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3.5X0.6 | OAL N/A 19 mm | Head Length N/A 5 mm | Thread Length N/A 11 mm |
| SS5445-00 | Material N/A Stainless Steel | OD N/A 10 mm | Head Diameter N/A 10 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M3.5X0.6 | OAL N/A 21 mm | Head Length N/A 5 mm | Thread Length N/A 13 mm |
| SS5446-00 | Material N/A Stainless Steel | OD N/A 11 mm | Head Diameter N/A 11 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M4X0.7 | OAL N/A 17 mm | Head Length N/A 5 mm | Thread Length N/A 9 mm |
| SS5447-00 | Material N/A Stainless Steel | OD N/A 11 mm | Head Diameter N/A 11 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M4X0.7 | OAL N/A 21 mm | Head Length N/A 5 mm | Thread Length N/A 13 mm |
| SS5448-00 | Material N/A Stainless Steel | OD N/A 11 mm | Head Diameter N/A 11 mm | Washer Dia N/A 9.5 mm | Male Thread N/A M4X0.7 | OAL N/A 24 mm | Head Length N/A 5 mm | Thread Length N/A 16 mm |
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