Description
- Combined drill and countersink
- High speed steel
- 60° included angle
- Right hand cutting direction
- 7/16” body diameter, 3/16” drill diameter, and 2 3/4″ overall length
Combined drills and countersinks, commonly called center drills, are used to produce a center hole on a workpiece for turning between centers.
Center drills are also used to start drilled holes. Because they are very stiff they don’t have a tendency to wander.
This center drill is made of ground high speed steel for good wear resistance with a hardness rating of Rc 58 – 60.
| Industry Standard | #5 |
| Included Angle | 60° |
| Overall Length | 2 3/4″ |
| Body Diameter | 7/16″ |
| Drill Diameter | 3/16″ |
| Hardness | Rc 58 – 60 |
| Cutting Direction | Right hand |
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