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Hi Everyone,

My first time post all the way from Edinburgh.

I recently was given a K5 jig from my wife for a Christmas present. Its a great upgrade from what I was using but the only problem I have with it is finding the right adaptor to fit my vacuum extractor!

It needs an interior fit for a 30 mm  entry on the jig and I have a 38mm hose extraction in my workshop. Anyone got any ideas about possible suppliers??

Brian Mundey

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I have an old hose from an original ShopVac. That ends fits inside perfect. There are step reducers on Amazon I believe. I got one from my local Lowes store. Maybe your local lowes/Home Depot type store has them in their shop vac aisle.



Glen S said:

I have an old hose from an original ShopVac. That ends fits inside perfect. There are step reducers on Amazon I believe. I got one from my local Lowes store. Maybe your local lowes/Home Depot type store has them in their shop vac aisle.

Hi Glen,

Thanks for the info. I'll give it a try

Brian M

I also bought a K5 a while back, but only started using it about two days ago. I don't have a dedicated dust extraction system, so I don't know if my fix will work as well for you as it seems it will for me, but I also recently bought a Bosch vacuum with an adaptor that is supposed to allow you to attach the hose to a powertool's dust extraction duct, and I have already used it with success on my circular saw and my router.

When I compared the diameters of the adapter and the K5's extraction duct, however, I could immediately see the one would never fit into the other, so initially I thought I’d just make do without the dust extraction feature, but I very quickly found out that the drill shavings clog up the jig and drill bit to such an extent that it becomes very difficult to remove the bit from the hole and you really have to move the bit up and down very frequently to keep removing the shavings from the hole in order to prevent the bit from becoming stuck in there!

I therefore had to work out a way of connecting my vacuum to the jig, so I measured the inner diameters with a vernier caliper. The Bosch adapter is 32 mm and the K5 35 mm, so today I bought a simple 25 mm plastic pipe connector at the local hardware shop. The outer diameter is pretty close to 32 mm, so it's a tight fit in the adapter, but easy enough to insert and remove.

I then wrapped some duct tape around the other half of it until it was a tightish fit into the K5's extraction duct, but could still be removed quite easily. With the connector inside the duct, I drew a line on it where it should be cut away to make the airflow as smooth as possible, and then took it out again and cut it out with my dremel tool. I then mixed up some epoxy I still had left over from another little project, applied it to the outside of the connector and slid it into the K5's extraction duct.

I hope the photos will give you some idea of what I did.

I also bought a K5 a while back, but only started using it about two days ago. I don't have a dedicated dust extraction system, so I don't know if my fix will work as well for you as it seems it will for me, but I also recently bought a Bosch vacuum with an adaptor that is supposed to allow you to attach the hose to a powertool's dust extraction duct, and I have already used it with success on my circular saw and my router.

When I compared the diameters of the adapter and the K5's extraction duct, however, I could immediately see the one would never fit into the other, so initially I thought I’d just make do without the dust extraction feature, but I very quickly found out that the drill shavings clog up the jig and drill bit to such an extent that it becomes very difficult to remove the bit from the hole and you really have to move the bit up and down very frequently to keep removing the shavings from the hole in order to prevent the bit from becoming stuck in there!

I therefore had to work out a way of connecting my vacuum to the jig, so I measured the inner diameters with a vernier caliper. The Bosch adapter is 32 mm and the K5 35 mm, so today I bought a simple 25 mm plastic pipe connector at the local hardware shop. The outer diameter is pretty close to 32 mm, so it's a tight fit in the adapter, but easy enough to insert and remove.

I then wrapped some duct tape around the other half of it until it was a tightish fit into the K5's extraction duct, but could still be removed quite easily. With the connector inside the duct, I drew a line on it where it should be cut away to make the airflow as smooth as possible, and then took it out again and cut it out with my dremel tool. I then mixed up some epoxy I still had left over from another little project, applied it to the outside of the connector and slid it into the K5's extraction duct.

I hope the photos will give you some idea of what I did.

I also bought a K5 a while back, but only started using it about two days ago. I don't have a dedicated dust extraction system, so I don't know if my fix will work as well for you as it seems it will for me, but I also recently bought a Bosch vacuum with an adaptor that is supposed to allow you to attach the hose to a powertool's dust extraction duct, and I have already used it with success on my circular saw and my router.

When I compared the diameters of the adapter and the K5's extraction duct, however, I could immediately see the one would never fit into the other, so initially I thought I’d just make do without the dust extraction feature, but I very quickly found out that the drill shavings clog up the jig and drill bit to such an extent that it becomes very difficult to remove the bit from the hole and you really have to move the bit up and down very frequently to keep removing the shavings from the hole in order to prevent the bit from becoming stuck in there!

I therefore had to work out a way of connecting my vacuum to the jig, so I measured the inner diameters with a vernier caliper. The Bosch adapter is 32 mm and the K5 35 mm, so today I bought a simple 25 mm plastic pipe connector at the local hardware shop. The outer diameter is pretty close to 32 mm, so it's a tight fit in the adapter, but easy enough to insert and remove.

I then wrapped some duct tape around the other half of it until it was a tightish fit into the K5's extraction duct, but could still be removed quite easily. With the connector inside the duct, I drew a line on it where it should be cut away to make the airflow as smooth as possible, and then took it out again and cut it out with my dremel tool. I then mixed up some epoxy I still had left over from another little project, applied it to the outside of the connector and slid it into the K5's extraction duct.

I hope the photos will give you some idea of what I did.

I also bought a K5 a while back, but only started using it about two days ago. I don't have a dedicated dust extraction system, so I don't know if my fix will work as well for you as it seems it will for me, but I also recently bought a Bosch vacuum with an adaptor that is supposed to allow you to attach the hose to a powertool's dust extraction duct, and I have already used it with success on my circular saw and my router.

When I compared the diameters of the adapter and the K5's extraction duct, however, I could immediately see the one would never fit into the other, so initially I thought I’d just make do without the dust extraction feature, but I very quickly found out that the drill shavings clog up the jig and drill bit to such an extent that it becomes very difficult to remove the bit from the hole and you really have to move the bit up and down very frequently to keep removing the shavings from the hole in order to prevent the bit from becoming stuck in there!

I therefore had to work out a way of connecting my vacuum to the jig, so I measured the inner diameters with a vernier caliper. The Bosch adapter is 32 mm and the K5 35 mm, so today I bought a simple 25 mm plastic pipe connector at the local hardware shop. The outer diameter is pretty close to 32 mm, so it's a tight fit in the adapter, but easy enough to insert and remove.

I then wrapped some duct tape around the other half of it until it was a tightish fit into the K5's extraction duct, but could still be removed quite easily. With the connector inside the duct, I drew a line on it where it should be cut away to make the airflow as smooth as possible, and then took it out again and cut it out with my dremel tool. I then mixed up some epoxy I still had left over from another little project, applied it to the outside of the connector and slid it into the K5's extraction duct.

I hope the photos will give you some idea of what I did.

My unreserved apologies! I tried several times last night to add my reply, but got a message every time that there was a problem with the page, so I never realised that they actually had been added! No pictures though. Have no idea what's up with that...

Still trying to upload some photos...

Still trying to upload some photos...

Still trying to upload some photos...

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