With a rotary hammer and suitable drill.
Jula is having a promotion on their SDS-max machine right now. It might still be a lot to spend close to 1200 SEK on a machine and drill for one hole, but then you have the machine left. Renting is likely to cost about half that amount from a company, but you can probably get away cheaper on something like Hygglo.
Jula is having a promotion on their SDS-max machine right now. It might still be a lot to spend close to 1200 SEK on a machine and drill for one hole, but then you have the machine left. Renting is likely to cost about half that amount from a company, but you can probably get away cheaper on something like Hygglo.
It should be mentioned that the joist hanger in the picture is a real makeshift solution. Better to use plintjärn on both sides of the post if stability is desired. But then you have to drill two holes.
Yes, the joist hanger only works if the construction itself has some angles that lock it in the horizontal plane, or alternatively, braces.
I have one of these at home. Is it the one you mean you're supposed to drill with? https://www.jula.se/catalog/verktyg...re/elektriska-borrhammare/borrhammare-011625/
Rotary hammer is the right choice for rock and concrete. Read the manual. It's important to lubricate. Drill only for a short time, maybe a maximum of 1 minute or as long as you can drill without the bit getting too hot. Then switch to another bit or wait until the bit cools down. If you run the bit too hot, it will wear out quickly.
Perfect! Just buy the right drill bit, as mentioned, buy two (and maybe a third if you mess up).R Rolle85 said:
What lubrication are you referring to? I hope you mean the mechanics of the rotary hammer with grease!T TommyC said:
..and the part of the drill that goes into the machine, so it *slides* easily.Claes Sörmland said:
There I usually avoid grease, just a thin layer of oil or a dab of PTFE spray (lots of stone dust sticks to grease).
I bought that Jula machine a week ago. Naturally at full price... So far, it has worked excellently for drilling several 20mm holes in rock with. It came with a tube of grease that can be filled into the machine under a lid on the top.
That's how I do it as well. Unfortunately, I messed up when the grease ran out and used general lithium grease from some old garage can. However, it becomes quite runny when it gets warm, so the chuck now gets really oily and messy during use. I think you should buy high-temperature grease, so that's what I've done now. Tell me if I'm wrong!Halcyon said:
That one will do the job. Good price too. If you're going to drill several holes, buy two drills of the size you need. Alternate the drills so that they don't get too hot (otherwise the crown will crack). Cool the one you're not using in a bucket of water.R Rolle85 said: