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Hvacwin 04-03-2013 08:02 PM

Bosch sds max 2-5/8" core bits
Does anyone know the pilot bit size on this bit? I've been looking online and I can't find anything.

jomama45 04-03-2013 08:56 PM

Most core bit's of this size use a 3/8" bit, but don't hold me to it..............:whistling2:

woodworkbykirk 04-03-2013 09:34 PM

isnt it marked on the case for the bit?

Hvacwin 04-04-2013 10:37 AM

Unfortunately they don't and I bought this one with it missing the bit.

woodworkbykirk 04-04-2013 08:51 PM

ill msg one of the bosch reps i know.. he deals in their blades and bits department

jomama45 04-05-2013 09:59 AM

I would take it to a local professional tool supplier and see what they have for pilot bits. Many are 3/8" with a taper. If they have one that fits, it won't matter what brand the core bit is.............

woodworkbykirk 04-05-2013 02:46 PM


Found that in a good review (and it rings true with my memory)

"I purchased two bits: 1 3/4 inch and 2-5/8 inch for plumbing purposes. We use these core bits nearly every day. The trick is to drill a 3/8" pilot hole completely through your work first. Then change to the core bit and let it do its work. Drill 3/4 of the way throughfirst, then finish from the other side. A perfectly clean and smooth hole with little mess every time. This bit has more teeth than most others and is built with better steel and has a thicker boby than any other brand. It cuts through common brick, hardened face brick, concrete and prestressed (Flexicore) almost effortlessly. And they last a long, long time. Definatley worth every penny many times over."

as per joe sainz. bosch accesories rep, he comes from a background in commercial concrete work

Hvacwin 04-06-2013 09:07 AM

Thank you everyone. I was able to locate an exact replacement from a new wholesaler in the area.

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