FISHTAIL DRILL BIT
A class with identifier
http://staging4.data.posccaesar.org/iso/15926-4/rdl/RDS5994436
Definition | A <FISHTAIL DRILL BIT> is a <ROCK DRILL BIT> where the cutting tool is formed as a fish tail. |
ISO number | 13828 |
Note | Fishtail bits became obsolete in 1909 when Howard Hughes Sr. introduced the twin-cone roller bit. |
RDS number | RDS5994436 |
Source | Piping |