[C320-list] Mast thickness

[Greg Flanagan]

Definitely fine thread. You can go as high as 40, however, it’s harder to find bolts. I found some on Amazon as no local shop had any. 

Greg
Hoop Dancer
#1076
Sidney, BC

> On May 17, 2023, at 12:10 PM, KEN GEIGER via C320-list <c320-list at lists.catalina320.com> wrote:
> 
>  Google can help you get the correct answer.
> See one answer at:   Coarse vs Fine Thread – What Thread Type Do I Need? (tannerbolt.com)
> Ken Geiger #765
> On Wednesday, May 17, 2023 at 01:25:41 p.m. EDT, Christian via C320-list <c320-list at lists.catalina320.com> wrote: 
> 
> I echo Dave.  My understanding of fasteners, coarser threading is actually
> more likely to strip, as there is less surface area on contact, meaning
> less resistance, therefore increasing the chance of over tightening.  Finer
> threading, more surface area, more friction/resistance to get things "snug"
> but not over tighten.  Not to mention the metal is aluminum, which is prone
> to stripping to begin with.  Only advantage I could see of coarse threads
> using stainless fastener on aluminum is the less surface area of contact
> might produce less corrosion.
> 
> On Wed, May 17, 2023 at 11:40 AM Dave Hupe via C320-list <
> c320-list at lists.catalina320.com> wrote:
> 
> >  I would suggest that coarser threads would not be the way to go .....
> > fewer threads in metal that isn't that thick??
> > Dave Hupe
> > 1994 C320 #32
> >
> >
> >
>