Kundenbewertungen für VEVOR Kernbohrer Bohrkrone φ 114 mm 356 mm Bohrtiefe, 1-1/4 Zoll-7 Innengewinde, Hochpräzisions-Schweißtechnologie, Nass-Diamantkernbohrer Kernlochbohrer für Stahlbeton Ziegel Mauerwerk

Bonne couronne pour des travaux occasionnels

I’ve purchased this tool to install a mini split AC system in my garage through a block and concrete wall, although the work was done, I ran into some difficulties with the pilot bit, the adapter I used was the SDS-plus and the pilot drill bit to do a pilot hole through the wall, the bit is attached to the adapter with a side screw that lands on a flat side of the bit, the problem was that with the vibration the securing fastener always came loose no mater how tight I tried to secure it, I ended up using a different drill to make the pilot hole and once assembled together with the barrel was a little better but still managed to get loose several times, if the drill bit came with a notch for the securing fastener to land instead of a flat surface probably there is a better chance of keeping in together. Overall, got the job done with some hiccups

It does the job. I drilled a clean hole through 2-3 inches of brick to feed my hose through the wall. Maybe it was user error, but with the guiding pilot bit in, the main core just wobbled around way too much to bite into the brick. So what I did was cut out a small hole in a piece of plywood, then anchored that into place and used it as a guide. No issues after that, it just took a while. The hole was very clean. I then threw a pipe and 3D printed an escutcheon.

Acheter pour percer un bloc béton 14cm avec placo de 12,5 pour une évacuation sanitaire de 50mm. Facile a utiliser a sec, ne pas forcer trop fort, avancement lent mais l acoupe est assez nette et au final, le trou est légèrement plus gros que 50mm ce qui laisse un petit jeu pour passer le tuyau. Effectué un pré perçage avant depuus le sens de sortie pour guider la carotte avec précision dans le sens de coupe

I needed to cut two holes in the concrete floor for a toilet and shower drain. Floor thickness about 4 inches, and super solid, 75 year old concrete. This drill did the trick. My only precaution is that once the main circular bit starts getting a bite on the concrete, REMOVE THE PILOT DRILL!! It's pretty tiny and deflects easily, so it will follow a different path than the core drill, and will likely break. Also had to take a break about every inch or so and chisel out the core.

I bought 5 inch, but the actual diameter was 4.5. I don't know why. I drilled 2 holes in foundation strip with deep 22 inches.

Valutazione ottima ma non eccellente. Da migliorare la punta di centraggio che dovrebbe essere più rigida per iniziare il foro con più precisione, perché a causa della rotazione tende a ruotare più ampiamente rispetto al fulcro. La qualità della tazza è buona. Provato sui forati.

Gute Verarbeitung ist leider nur mit geringer Geschwindigkeit zu verwenden da Sie stark Vibriert

Super

Aangeschaft om gaten voor spots te boren in mijn oprit tegels. Is goed gegaan. Mooi dat er drie aansluitingen bij zitten