Drilling hardened steel - easy/cheap way

[Natlek]

This question/topic come often here ..... so here it is , easy and cheap way is to use ceramic tile drill bits . . . . this is ball from SKF ball bearing

I hope that I have chosen right words for thread name and will easy come when someone search forum for data about this drill challenge

 

[Drew Riley]

Just make sure they're actually carbide tipped masonry/tile drill bits. Some of the cheap bits, such as those that often come in the lower priced bit sets (you know, like 150 driver bits for $19.99) aren't carbide tipped, and you'll be lucky to even get through soft stone with them, much less steel.

I've had good luck with Bosch brand carbide tipped bits, and they're usually pretty cheap at the local big box store.

 

[Natlek]

I have this one from Alpen , Austria .

In store where I buy them they did not have this one in stock ...probably they are even better then this one I have . .. . . .
TUNGSTEN CARBIDE MULTI PURPOSE DRILL BITS
https://www.alpen-drills.com/en/product-range/special-drill-bits-25/

Guys , this is no joke ...........ball is 16mm Dia. 63-64 HRC 52100 steel

 

[Lieblad]

Fwiw,
I use Strong Arm drillbits any time I need drilling hardened steel.

 

[Kali4nia]

Lakeshore carbide drills have drilled everything like butter for me. I however have not drilled into a 64hrc ball before!