Drill Bits & Plowshares: The History of Farmers Royalty Company
- Taper Shank Core Drills 4 Flute - High Speed Steel.
- Size: 1 27/32 - Morse Taper Shank: 5 - Flute Length: 10 1/8 - OAL: 17 1/8.
- Used to enlarge cored, drilled, or punched holes. They will not drill solid metal.