| Keo bell hey type combined drill and countersinks are designed for use with inserts for producing protective center holes in components as well as facing the surface of the workpiece thus combining two machining operations into one |
| 0.35 in Dia bell |
| 3/4 in L x 0.023 in D flat body |
| 11/16 in flat body offset |
| 0.066 in D flat end |
| Double end tool is the original economic design for hey machines |
| Drill and chamfer in one pass |
| For used to produce a center hole in components that are machined between centers |
