Wellnuts Metric M6 Windscreen/fairing Rubber Well Nuts on 2040-parts.com
Houston, Texas, US

Windscreen & Fairing Metric Wellnuts
Bag of 10
About the Wellnuts
Replace your dried out and damaged rubber wellnuts with a fresh set from Desmoparts. These are the common larger M6 metric wellnuts that are found on most any Japanese bike, BMW or Ducati. The M6 wellnut is usually found attaching bottom fairings together or used to mount the upper fairing. The smaller M5 wellnut is usually used for attaching the windscreen. If you have a slightly larger wellnut chances are it's this M6 wellnut. Well-nuts typically do not last for the life of your machine and should be replaced periodically if dried out and cracked. Wellnuts are used as bodywork and windshield soft mount on a motorcycle, snowmobile, or other high vibration machines. Desmoparts has been selling stainless screw kits on eBay since 2002. We get frequent requests for metric well nuts and decided to offer them on eBay in lots of 10. We have a nearly unlimited supply so don’t be bashful and order as many as you require. This auction is for M6 but we also stock M4 and M5 as well. See out other auctions if you require another size wellnut. Each item includes a bag of ten M6 wellnuts.

Image shows M5 and M6 wellnuts. M4 wellnuts not shown. They are the same only smaller.
Sizing & Dimensions
We find most windscreen mounts need 5mm well nuts and fairing pieces commonly use both 5mm and 6mm. To determine if your stock well nut is an 4mm, 5mm or 6mm just measure the diameter of the screw threads that fit the well nut. As your old well nuts may be distorted and torn you must often measure the screw diameter to determine the correct wellnut size.
Here are the specs on all the M4, M5, and M6 Desmoparts well nuts:
-
4mm Metric Well Nut specs:
- Overall Height: 12.67mm (0.499")
- Barrel Diameter: 7.92mm (0.312")
- Flange Diameter: 11.13mm (0.438")
- Flange Height: 1.32mm (0.052")
-
5mm Metric Well Nut specs:
- Overall Height: 16.89mm (0.665")
- Barrel Diameter: 9.53mm (0.375")
- Flange Diameter: 14.27mm (0.562")
- Flange Height: 1.02mm (0.040")
-
6mm Metric Well Nut specs:
- Overall Height: 16.00mm (0.630")
- Barrel Diameter: 12.70mm (0.500")
- Flange Diameter: 16.00mm (0.630")
- Flange Height: 1.30mm (0.051")
Terms
Desmoparts.com ships via
Please allow a flat shipping, packing, and handling fee of:
- $3.00 for USA - via First Class Mail.
- $6.00 for USA - via USPS Priority Mail.
- $24.00 for INTERNATIONAL destinations - via USPS Priority Mail
- $1.00 shipping for each additional item or $ZERO additional if combined with any of our Stainless Screw Kits.
Image shows pint glasses full of M4, M5, and M6 wellnuts.

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