I’m attaching the Terraforma ladder to the D4. Need to drill existing holes to make them bigger for kit supplied bolts. What can I coat the holes with to prevent rust. Thanks
 
I’m attaching the Terraforma ladder to the D4. Need to drill existing holes to make them bigger for kit supplied bolts. What can I coat the holes with to prevent rust. Thanks
You could use Jenolite or a similar rust proofing product, followed by a bit of red oxide when the stuff has gone off.

But if the holes will be under the ladder when installation is complete, the red oxide alone will probably be enough. An artists paintbrush is quite useful for these very small jobs.
 
You could use Jenolite or a similar rust proofing product, followed by a bit of red oxide when the stuff has gone off.

But if the holes will be under the ladder when installation is complete, the red oxide alone will probably be enough. An artists paintbrush is quite useful for these very small jobs.
Thank you, much appreciated.
 

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