![In case anyone doesn't know this(I certainly didn't), drill bits for glass work pretty well drilling through hardened steel. More info in comments. : r/Blacksmith In case anyone doesn't know this(I certainly didn't), drill bits for glass work pretty well drilling through hardened steel. More info in comments. : r/Blacksmith](https://i.redd.it/yf6um2g060r91.jpg)
In case anyone doesn't know this(I certainly didn't), drill bits for glass work pretty well drilling through hardened steel. More info in comments. : r/Blacksmith
![German ARTU Multi-purpose Drill Bits-Taps, reamers and drills-TAIS T-P CO., LTD. -EZB2B taiwan machine tools & autoparts & plastic mold die German ARTU Multi-purpose Drill Bits-Taps, reamers and drills-TAIS T-P CO., LTD. -EZB2B taiwan machine tools & autoparts & plastic mold die](https://www.ezb2b.com/images/2013lt_5942512118801_1522.jpg)
German ARTU Multi-purpose Drill Bits-Taps, reamers and drills-TAIS T-P CO., LTD. -EZB2B taiwan machine tools & autoparts & plastic mold die
![How to Choose the Right Type of Drill Bit for Steel, Wood, Tiles, Glass, Masonry and Plastic - Dengarden How to Choose the Right Type of Drill Bit for Steel, Wood, Tiles, Glass, Masonry and Plastic - Dengarden](https://images.saymedia-content.com/.image/ar_1:1%2Cc_fill%2Ccs_srgb%2Cfl_progressive%2Cq_auto:eco%2Cw_1200/MTc0MjIwMTI4NjM0ODA4MTg4/what-drill-bit-to-use.jpg)