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Forum topic by PaulHWood posted 04-12-2021 01:26 PM 218 views 0 times favorited 10 replies Add to Favorites Watch
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PaulHWood

477 posts in 3334 days


04-12-2021 01:26 PM

Topic tags/keywords: dust extractor vacuum hose adapter

I have the above dust extractor. My question is on a standard dust port that accepted my old shop vac hose, I now need a opposite reducer, something to come out of the dust port that I can connect my vac hose to. I have tried the basic universal one, and of course that is made for reducing, not enlarging

Any help appreciated

-- -Paul, South Carolina Structural Engineer by trade, Crappy Woodworker by choice


10 replies so far

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Rich

6833 posts in 1671 days


#1 posted 04-12-2021 04:33 PM

If I understand your question correctly, the Bosch VAC004 and VAC003 will adapt the 35mm hose to tools with 2 1/2 and 1 1/4” ports.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

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Madmark2

2651 posts in 1669 days


#2 posted 04-12-2021 04:54 PM

The problem is that there isn’t a “standard” on dust ports. IDs and ODs and wall thicknesses vary all over the place. See if the vendor offers accessories that fit. The manufacturers do this specifically to lock you into their accessories only — at their prices.

If you turn the “reducer” around 180° it magically becomes an enlarger …

-- The hump with the stump and the pump!

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Rich

6833 posts in 1671 days


#3 posted 04-12-2021 05:09 PM



The problem is that there isn t a “standard” on dust ports.

- Madmark2

The 2 1/2 and 1 1/2 inch sizes are very standard. You just have to know the difference between a hose adapter and a port adapter.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

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Madmark2

2651 posts in 1669 days


#4 posted 04-12-2021 05:57 PM

Yeah 2-1/2 is standard. So are 2-1/4, 1-3/8, 1-1/8 and 1-1/4. Side wall thickness can be 1/4, 1/8, or 1/16. All are “standard” for something.

-- The hump with the stump and the pump!

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Rich

6833 posts in 1671 days


#5 posted 04-12-2021 06:11 PM


Yeah 2-1/2 is standard. So are 2-1/4, 1-3/8, 1-1/8 and 1-1/4. Side wall thickness can be 1/4, 1/8, or 1/16. All are “standard” for something.

- Madmark2

You’re grossly over complicating this for no reason. You clearly aren’t familiar with the subject.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

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Madmark2

2651 posts in 1669 days


#6 posted 04-12-2021 06:29 PM

I’ve got a stack of odd fittings in various sizes from different vendors that I bought because I thought they’d connect but didn’t. In the Tampa shop it took me over a year to get the, saw, planer and 2-1/2 cleanup ports all tied together and tight. Slip fittings don’t. Vacuum sucks and fittings leak and fall apart.

I’ve got a lot of time and money tied up over the years in vacuum fittings and such.

-- The hump with the stump and the pump!

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Rich

6833 posts in 1671 days


#7 posted 04-12-2021 07:01 PM


I ve got a stack of odd fittings in various sizes from different vendors that I bought because I thought they d connect but didn t.

- Madmark2

That sort of random approach generally leads to chaos, as you’ve found out.

The two connectors I suggested will mate the OPs 35mm hose from the Bosch to standard 2 1/2 and 1 1/2 inch ports.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

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woodbutcherbynight

9178 posts in 3490 days


#8 posted 04-13-2021 02:04 AM

Rich is taking you down the right path.

BUT here is an off the wall solution…. PVC pipe of any size can be heated with a heat gun on low, slowly and then forced over a adapter / port / whatever else you have and become a transition. Key here is that if you are in a hurry you will get upset pretty quickly. This will work, I have done so many times for various reasons. But you must go slow with the heating especially on a larger diameter pipe.

-- Live to tell the stories, they sound better that way.

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PaulHWood

477 posts in 3334 days


#9 posted 04-13-2021 11:41 AM



If I understand your question correctly, the Bosch VAC004 and VAC003 will adapt the 35mm hose to tools with 2 1/2 and 1 1/4” ports.

- Rich

The inner diameter of the hose is 1 1/8” and is made to go over hand tool ports. I need to go from this to standard 2 1/2” shop vac port on a compact router table. was hoping there was an adapter before cobbing something together. reversing reducers does not work unless you also have couplers which I have not seen available. I didn’t want to drag out my 4” dust collector everytime I use the compact router table

-- -Paul, South Carolina Structural Engineer by trade, Crappy Woodworker by choice

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PaulHWood

477 posts in 3334 days


#10 posted 04-13-2021 12:19 PM

VAC004 seems to be correct. ordered and we will see.

thanks for responses

-- -Paul, South Carolina Structural Engineer by trade, Crappy Woodworker by choice

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