Reddit reviews Bosch 2607010546 Multi-Purpose Drill Bit"Robust Line Cyl-9" 5-10mm 7 Pcs
We found 1 Reddit comments about Bosch 2607010546 Multi-Purpose Drill Bit"Robust Line Cyl-9" 5-10mm 7 Pcs. Here are the top ones, ranked by their Reddit score.
Tool holder: cylinder shankContent: 7 pcsMaterial: Tungsten Carbide
I use these
https://www.amazon.co.uk/Bosch-2607010546-Multi-Construction-Drill-Pieces/dp/B001L1RAYQ
No pilot hole, tapping compound for coolant although you can do without and as slow a rotation as you can. Got one 10mm bit through 60mm thickness of hardox.