Sub tube... need help.

[oki]

Hi guys,

I need to be sure that the gen tube fits on a WM9 v2 case without any mood. true? Any help will be apreciated.

Thanks.

[alligoat]

Whenever you install a gen tube, there's a minimum list of things to do.

1. Remove the old tube- I use the rat tail file, but an ease-out will also work

2. Tap the hole with the 3.0mm x .35 tap- run it all the way thru

3. You may or may not need to countersink the case hole- using a larger drill bit- this allows you to seat the case tube so that the crown will screw down correctly.

4. If you do countersink, retap the hole afterwards to make sure it's clean

5. Install the tube with some blue loc-tite.

i would assume you are then installing a gen crown.

[oki]

Thanks alligoat

Yes, I use a gen crown.

Then I understand that it isn´t a "plug and play" work...

[kbh]

I'd contact BK for more specifics. Often the biggest problem on a gen tube is the "shoulder" on it that needs to be countersunk for it to fit snug to the case even if the threads are the same.

[cjjoyce1]

@ Alligoat - are the threads the same on all Rolex tubes - 5, 6 and 7 series? I had a buddy at a machine shop do my 5512 case. Never thought about it, but having the tap on hand wouldn't be a bad idea.

[alligoat]

@ Alligoat - are the threads the same on all Rolex tubes - 5, 6 and 7 series?

The 6 and 7mm tubes use the 3.0mm x .35 tap. The 5mm tubes use the 2.5mm x .25 tap, as i recall.

[cjjoyce1]

The 6 and 7mm tubes use the 3.0mm x .35 tap. The 5mm tubes use the 2.5mm x .25 tap, as i recall.

Yay! I get to buy more tools!

[freddy333]

The 6 and 7mm tubes use the 3.0mm x .35 tap. The 5mm tubes use the 2.5mm x .25 tap, as i recall.

That sounds right.