CENTER DRILLS HIGH SPEED
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#1 Regular HSS Combined Drill Bit and Countersink, Qualtech. Plain type combined drills and countersinks are used to producing center hole in workpieces which require precision drilling or machining between centers.
SPECS:
- Combined drill and countersink
- Decimal Equivalent: .0469"
- Size: #1
- Body Diameter: 1/8"
- Length Of Cut: 3/64"
- Drill Diameter and Length: 3/64"
- Overall Length: 1-1/4"
- Direction of Cut: Right Hand
- Package Quantity: 12
- Size Type: Inch Size
- Geometry/Tool Specs: 82°Countersink Angle
- Material: High Speed Steel
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.
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.
- Combined drill and countersink
- High speed steel
- 82° included angle
- Right hand cutting direction
- 7/16” body diameter
- 3/16” drill diameter
- 2-3/4" overall length
| Industry Standard | #5 |
| Included Angle (A) | 82° |
| Overall Length (L) | 2-3/4" |
| Body Diameter (BD) | 7/16" |
| Drill Diameter | 3/16" |
| Hardness | Rc 58 - 60 |
| Cutting Direction | Right hand |
| Finish | Uncoated |
| # of Flutes | 2 |
| Material | HSS |