Marcrist Core set with dust extract

[123]

Has anyone used one of these? Have a few jobs coming up that need a fan cored through red brick wall which tend to be a nightmare as the wall is wet and the dust jams the core drill.

This is the item

 

[Deleted member 26818]

If the wall is wet, you might be better to use a core drill that uses water.

 

[Midwest]

Agree with above; burnt out one core drill with just one hole in wet garden brick work. If wet core drilling is available for hire, I'd go with that.

 

[123]

Not keen on the idea of wet core drilling, the jobs are domestic bathrooms, and I'd imagine the clean up operation after 1 core will be a nightmare. There is no issue doing the core dry, it's just it takes around an hour on average and it's the wet/damp dust that slows things down, if the kit in my opening post brought that down to 30 mins, then happy days.

 

[Owain Thomas]

I’ve got the exact kit and use it with a Karcher Vac. It works great, hardly any dust and because it extracts the dust it keeps the cutter cooler so it’s lasting longer.

 

[Dobes_88]

Chap on Youtube has done a bit of a review on it -

 

[HandySparks]

The Marcrist dust extract system is pretty good.
A few issues:
If using a core bit with slots, you need to tape them up to stop the dust flying out. The tape wears off and needs renewing for each hole drilled.
Using a Henry works OK, but I suspect that the restriction in airflow causes the Henry to get too hot from lack of ventilation. Maybe need to allow some extra air to bleed in.
I start my cores by screwing a disc of wood to the wall, cut to the inside diameter of the core, as a guide. You don't need a pilot bit so can use extract from the start. Once you're a few millimeters in, you can remove the guide block.

 

[Owain Thomas]

You can use the extractor system with the A taper pilot drill from the start anyway.

 

[GBDamo]

Not keen on the idea of wet core drilling, the jobs are domestic bathrooms, and I'd imagine the clean up operation after 1 core will be a nightmare. There is no issue doing the core dry, it's just it takes around an hour on average and it's the wet/damp dust that slows things down, if the kit in my opening post brought that down to 30 mins, then happy days.

One thing I found that helped with damp brickwork was to get the core started then SDS four holes 10-12mm at 12, 3, 6 and 9 oclock.

It helps to keep the damp clay like dust from building up and binding the bit.

this was with Eurbauer core bits from Sxcrewfix, never tried the expensive ones.

 

[Marti]

Chap on Youtube has done a bit of a review on it -

Seen this and found his videos well worth while