#1 HSS 82° Center Drills (1 DOZEN)

#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.