Drill/Countersink Bit, 90 Deg, #4 1/2, HSS
Average Rating: n/a
|Included Angle||90 Degrees|
|Material||High Speed Steel|
|Application||General Purpose For Aluminum, Brass, Carbon Steel, Cast Iron, Copper, Ductile Iron, Malleable Iron, Tool Steel|
- Combined Drill/Countersinks
- Use on steel and other ferrous materials.
- 60 are used for producing center holes in parts and workpieces that require machining between centers. 82 are used for producing center holes in parts and countersinking machine screws with an 82 head angle. 90 are used for producing center holes in parts and chamfering.
- Drill and countersink in one step Standard plain style for general purpose use Long plain style allows access to difficult-to-reach areas