Amazon.com: Blacksmiths Drill Bit MASO 15 mm Blacksmith Reduced Shank HSS Drill Bit for Aluminium, Steel, Wood, Plastic, Non-ferrous ect : Everything Else
HSS Blacksmith Drill Bit - All Metric Sizes 12mm- 35mm Reduced 1/2" Shank Drills | eBay
8 Piece 13mm (1/2″) HSS (high speed steel) blacksmith's drill bit set - Amtech
HSS Blacksmith Drill Bit 25mm | Toolstation
5pc HSS Blacksmiths Drill Set (14mm-20mm) - Newsome Quality Tools
Clarke CHT519 8 piece Blacksmiths Drill Bit Set (13-25mm) - Machine Mart - Machine Mart
HSS Blacksmith Drill Bit - All Metric Sizes 13.5mm - 30mm - Reduced Shank Drills | eBay
Blacksmiths drill bits | reduced shank drill bit - YouTube
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
7/8” / 22 mm Blacksmiths Drill Bit, 150 mm Reduced Shank
HSS Blacksmith Drill Bit Reduced Shank Drills for Steel Metal Iron Wood 12-35mm | eBay
SHERWOOD Blacksmith Drill, 20mm, Parallel Shank, High Speed Steel, TiN-Tipped / Model: SHR0251742Q Power Tools Power Tool Accessories Specialized Drill Bits Malaysia, Melaka, Selangor, Kuala Lumpur (KL), Johor Bahru (JB), Sarawak Supplier,
TIMco HSS-M Blacksmith Drill Bit-TiN Range | Power Tools Direct