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It was a typo I corrected. And yes, cats do rule.

Ok, so why do they say then that SDS ones can't be used? Aren't they essentially carved into like these triangular ones?

Yeah we do. Can I use these kinds of drill bit shanks on my hammer drill? Or do they require a special kind of chuck?

In this particular instance -- and I don't know the proper terms here -- I'm looking at a concrete wall that has a bit of a crumbly texture light grey texture, there is probably some kind of 3-5mm plaster finish on it. And because I think there was a hollow bit on the inside, it's probably...

So, given that I am unlikely to have to do enough masonry drilling to own an SDS, which brands of drill bit are going to be best for my drill?

Oh, I see. Ok. I was just told over on reddit that it's not even a useful hammer drill and won't even help with light masonry. I think this is someone who doesn't think anything but the most pro equipment is worth using.

Wow... well that's annoying to have it marketed as such from a name such as Bosch but I guess that's my fault for falling for marketing. Although I'm talking about lighter cinder block type masonry in this case. In my defense, I wasn't quite as strict about looking into reviews and such before...

Please keep in mind, I am just a notch above a basic at home diy person. So if you're asking yourself, "who doesn't know this?", the answer is people like me. :LOL: I have had a Bosch PSB 850-2 RE impact drill for about 9 years. I have always used the same type of drill bits I had always been...

Sure, but the reason that wasn't instantly obvious to me is we have screw diameter gauges that have nothing to do with any measurement so I thought this might be like that. In short, I thought it was a numbered system that didn't correspond at all to a specific measurement.

Thank you. So self evident, I missed it completely. I'm in Canada we use the infernal imperial system of inches for drill bits even though we use metric practically EVERYWHERE else. (n):cautious:

I have a set of 5 French drill bits (Tivoly) numbered 4, 5, 6, 8, 10. Does anyone know what these are supposed to correspond to in mm or in fractions of inches? The packaging is of no help, it only talks about lengths.

Ok, so I also have these. They're #8-12, the anchors need a 5/16" drill bit and are 1-5/8" long, and the screw size is #10 x 2.5" Would that be better? Maybe take the #10 screw from this set and the plugs from the #6-10 set?

I think this is one of those things where we unfortunately lean towards ridiculous US measurements. I'm from a part of Canada that is almost entirely metric but some commercial things/products historically tended towards American systems because they were the products being imported before...

Strange. They're links to Home Depot here in Canada. Should be able to work? And as far as the walls, this is a 1940s apartment building construction. And I'm in Montreal, Canada.

I can't see whether it's solid or blocks because it's a wall in our apartment. But let's say I don't see any mortar lines at all. I have photos from behind a power outlet. More likely solid wall panels. These specifically are the ones I have that I'm wanting to use. I also have these from years...

Can I use plastic anchors to fasten a 35lb mirror to a concrete wall? I need two screws. I go online, I try to research what works best in concrete, I see half the sites saying plastic anchors are fine, the other half saying one must ONLY use metal anchors, wedge anchors, etc. Let me know if...