philperry9
Joined: 23 Nov 2011
Posts: 381
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 Posted: Tue Oct 21, 2014 4:30 pm Post subject: Drilling Stainless |
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I've experienced great success utilizing the technique in this video. Basic bits, water, and a chunk of wood to backup the stainless as I drill into it.
Super crisp holes, no burrs, no pulling of the steel by the bit. It's really really worked well on small and large holes alike. I don't fear (or hate) stainless like I did before.
You will thank yourself for spending 8 minutes watching it. The only thing he doesn't point out is the wood he uses to backup his drill bit. I just used a scrap 2x4.
http://youtu.be/NtqXlOX_kF4
You will be pleased. I promise.
Phil
Sent from my iPhone
On Oct 21, 2014, at 5:59 PM, Linn Walters <flying-nut(at)cfl.rr.com (flying-nut(at)cfl.rr.com)> wrote:
[quote]--> RV10-List message posted by: Linn Walters <flying-nut(at)cfl.rr.com (flying-nut(at)cfl.rr.com)>
I feel your pain .... from the many cuts by the SS.
Right or wrong, here's what I did.
I drilled a 3/16" hole and enlarged with a step drill and various dremel bits to accept a plastic grommet. I have a MGL RDAC on the firewall to take all the various engine sensor wires so I really don't have a whole lot of wires going through the firewall. Haven't finished under the cowl yet but I'll put a liberal fillet of fireproof sealer around the bundle.
Linn
On 10/21/2014 5:33 PM, rvdave wrote:
| Quote: | --> RV10-List message posted by: "rvdave" <rv610dave(at)gmail.com (rv610dave(at)gmail.com)>
I'm at a standstill trying to decide how to get bundles of wires through the firewall. I purchased the swivel grommets from Vans and after reading reviews of galling, bending, and almost ready to bore large holes--am not committing to that process. First of all how do I get a large hole over 1" through the stainless? There must be a tool I haven't seen yet. I have ruined many bits drilling through the stainless in the past until I realized slow speed and lube is your friend. Second I know there are better options out there I believe, just not sure which I'll use yet. The cut off stainless door handles are pretty witty. The rectangular from Avery may work well also. Some have welded their own tubes--i dont quite have that talent. Anyone to share photos and experiences? Also tips to make hole in stainless firewall? Thanks
--------
Dave Ford
RV6 flying
RV10 building
Cadillac, MI
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