High Speed Steel Combined Drill and Countersink - A.K.A. Center Drill

For producing center holes in components or work pieces which require machining between centers.

You can use this style for simply spotting a hole prior to drilling - although a true spot and centering or NC style drill is a wiser option if You are are using a 118/135/140 or even 150 degree drill point for another {op} operation

60 degree angle is the most commonly used, 82 and 90 are also available and have some of those rascals listed as well

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Combined Drill and Countersink-Center Drill High Speed Steel Number 5 7/16" Body Diameter 82 Degree KEO
Applications = For producing center holes in components or work pieces which require machining between centers. Spotting holes prior to drilling. This item commonly referred to as a center drill.
$26.00
Number 17 Combined Drill And Countersink High Speed Steel 60 Degree DoAll USA
60 degree countersink angle fits all standard lathe centers. Bell or Safety Type. Designed for producing protected center holes in work piece or components.The additional 120 degree included chamfer eliminates the risk of deforming the countersink seat.
$7.00
Number 17 Combined Drill And Countersink High Speed Steel 60 Degree Import
60 degree countersink angle fits all standard lathe centers. Bell or Safety Type. Designed for producing protected center holes in work piece or components.The additional 120 degree included chamfer eliminates the risk of deforming the countersink seat.
$4.00
Number 8 Combined Drill And Countersink T15 High Speed Cobalt 90 Degree Keo
90 degree countersink angle. Manufactured in a T-15 Powdered Metal Cobalt which provides extremely high wear resistance.
$32.00
Number 1 Combined Drill And Countersink 3" Overall Length High Speed Steel 60 Degree Keo
60 degree countersink angle fits all standard lathe centers with extended length to access hard to reach areas
$8.75
Number 1 Combined Drill And Countersink 6" Overall Length High Speed Steel Tin Coated 60 Degree Keo
60 degree countersink angle fits all standard lathe centers with extended length to access hard to reach areas
$18.00
Number 1 Combined Drill And Countersink 6" Overall Length High Speed Steel Import
60 degree countersink angle fits all standard lathe centers with extended length to access hard to reach areas
$3.50
Number 2 Combined Drill And Countersink 5" Overall Length High Speed Steel 60 Degree Import
60 degree countersink angle fits all standard lathe centers with extended length to access hard to reach areas
$5.50
Number 2 Combined Drill And Countersink 6" Overall Length High Speed Steel 60 Degree Unknown
60 degree countersink angle fits all standard lathe centers with extended length to access hard to reach areas
$6.50
Number 7 Combined Drill And Countersink 6" Overall Length High Speed Steel 60 Degree Import
60 degree countersink angle fits all standard lathe centers with extended length to access hard to reach areas
$18.00
Number 20 Combined Drill And Countersink High Speed Steel 60 Degree Tin Coated Bell Type U.S.A.
60 degree countersink angle fits all standard lathe centers. Bell or Safety Type. Designed for producing protected center holes in work piece or components.The additional 120 degree included chamfer eliminates the risk of deforming the countersink seat.
$18.00

Combined Drill and Countersink-Center Drill High Speed Steel Number 5 7/16" Body Diameter 82 Degree KEO (Combined drill and countersink )

Applications = For producing center holes in components or work pieces which require machining between centers. Spotting holes prior to drilling. This item commonly referred to as a center drill.
$26.00

Number 17 Combined Drill And Countersink High Speed Steel 60 Degree DoAll USA (Combined Drill And Countersink 60 Degree)

60 degree countersink angle fits all standard lathe centers. Bell or Safety Type. Designed for producing protected center holes in work piece or components.The additional 120 degree included chamfer eliminates the risk of deforming the countersink seat.
$7.00

Number 17 Combined Drill And Countersink High Speed Steel 60 Degree Import (Combined Drill And Countersink 60 Degree)

60 degree countersink angle fits all standard lathe centers. Bell or Safety Type. Designed for producing protected center holes in work piece or components.The additional 120 degree included chamfer eliminates the risk of deforming the countersink seat.
$4.00

Number 8 Combined Drill And Countersink T15 High Speed Cobalt 90 Degree Keo (Combined Drill And Countersink 90 Degree)

90 degree countersink angle. Manufactured in a T-15 Powdered Metal Cobalt which provides extremely high wear resistance.
$32.00

Number 1 Combined Drill And Countersink 3" Overall Length High Speed Steel 60 Degree Keo (Combined Drill And Countersink 60 Degree )

60 degree countersink angle fits all standard lathe centers with extended length to access hard to reach areas
$8.75

Number 1 Combined Drill And Countersink 6" Overall Length High Speed Steel Import (Combined Drill And Countersink 60 Degree )

60 degree countersink angle fits all standard lathe centers with extended length to access hard to reach areas
$3.50

Number 20 Combined Drill And Countersink High Speed Steel 60 Degree Tin Coated Bell Type U.S.A. (Combined Drill And Countersink 60 Degree)

60 degree countersink angle fits all standard lathe centers. Bell or Safety Type. Designed for producing protected center holes in work piece or components.The additional 120 degree included chamfer eliminates the risk of deforming the countersink seat.
$18.00