this is a drill press that works with standard drill. I drill a concrete floor ( interjoist), 40mm
https://www.thingiverse.com/thing:5502241
or less than 30€ you can have a drill press for concrete floor.
A video when drilling the concrete floor:
https://youtu.be/kRUC_imgW9U
This is a strong drill press able to drill concrete floor (concrete interjoists) and also metal and many other material.
I create it to drill my concrete interjoists floor and pass a tube form the first floor to the ground floor, drilling wirh a dry drill 65*370 with a hammer drill bosch PBH 2000SRE .
Adaptator SDS plus to M22:
https://fr.aliexpress.com/item/32837317062.html?spm=a2g0o.order_list.0.0.21ef5e5bD1IJTo&gatewayAdapt=glo2fra
Sourcing maps:
https://www.amazon.fr/gp/product/B07FF1B5Z8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Threaded shaft ( tige filetee) M8
https://www.leroymerlin.fr/produits/quincaillerie/cheville-vis-clou-et-boulon/tige-filetee/tige-filetee-acier-zingue-l-1000-x-diam-8-mm-suki-35736862.html?clk=true
Compression Spring:
https://fr.aliexpress.com/item/32834573924.html?spm=a2g0o.order_list.0.0.21ef5e5bD1IJTo&gatewayAdapt=glo2fra
It works properly.
List of material madatory:
print the support_perceuse.stl , infill 60% : 203gr, 63m, 17h, 3,63€
List of optional materials ( if you add guides):
The author marked this model as their own original creation.