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sheslostcontrol 05-02-2013 08:07 AM

Wide and *flat* SDS max bit?
My standing crawl space has red brick walls between the brick pilasters - none of it was finished on the inside so there are chunks and bumps of mortar sticking out at every joint.

I have a Makita HR4002 SDS-max rotary/hammer drill which is a very capable piece of equipment, but I don't know what bit I should use to maximize productivity. I have a spade bit for clay, but the edge is rounded so you only have about an inch or so of width to work with.

There isn't a lot of mortar sticking out so I'd like to be able to knock down several beads in one pass.

Is there an SDS Max bit like a chisel but very wide, maybe 6 or 8" total width?

PaliBob 05-02-2013 08:07 PM

I'd first try one of these although it is only 3" It is designed for your application.

user1007 05-03-2013 03:00 AM

Not sure a hammer drill would be my first choice for cold chiseling mortar if I understand your intent? Would not a tuck pointing, grinding or even a compressor driven air impact chisel tool work out better?

I speak from no experience I admit. Just seems a tool mismatch to me.

Maintenance 6 05-03-2013 07:54 AM

Maybe if we knew what you want to accomplish, we could offer some suggestions. Champion makes a 4-1/2" scaling chisel and an asphalt cutter that is almost 5" wide.

PaliBob 05-03-2013 12:24 PM

My take is that the OP has a HR4002 that they intend to use for this scaling type job in the 'Hammering Only'mode.

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