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Holemaking

40 Products

Precision Tools for Efficient Holemaking

Our holemaking tools include drill bits, reamers, broaches, and countersinks designed for accuracy and durability. From center drills to porting tools, these products cover a wide range of applications, ensuring clean and precise hole creation. Backed by advanced engineering, they are ideal for professional and industrial use, delivering reliable performance in every task.

Center Drills & Spotting Drills
Countersinks & Chamfering Tools
Reamers
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KEO 10015 Aircraft Double End Plain Standard Combined Drill and Countersink, 0.015 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10015 Aircraft Double End Plain Standard Combined Drill and Countersink, 0.015 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810015
MFG #10015
Body Diameter
1/8 in
Country of Origin
US
Cutting Direction
Right Hand

$11.98

 / EA
KEO 10100 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/64 in Drill - Fraction, 0.0469 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10100 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/64 in Drill - Fraction, 0.0469 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810100
MFG #10100
Body Diameter
1/8 in
Cutting Direction
Right Hand
Cutting Edge Material
HSS

$8.86

 / EA
KEO 10200 Aircraft Double End Plain Standard Combined Drill and Countersink, 5/64 in Drill - Fraction, 0.0781 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10200 Aircraft Double End Plain Standard Combined Drill and Countersink, 5/64 in Drill - Fraction, 0.0781 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810200
MFG #10200
Body Diameter
3/16 in
Cutting Direction
Right Hand
Cutting Edge Material
HSS

$9.40

 / EA
KEO 10300 Double End Plain Hey Combined Drill and Countersink, 7/64 in Drill - Fraction, 0.1094 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10300 Double End Plain Hey Combined Drill and Countersink, 7/64 in Drill - Fraction, 0.1094 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810300
MFG #10300
Body Diameter
1/4 in
Cutting Direction
Right Hand
Cutting Edge Material
HSS

$9.77

 / EA
KEO 10400 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/8 in Drill - Fraction, 0.125 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10400 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/8 in Drill - Fraction, 0.125 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810400
MFG #10400
Body Diameter
5/16 in
Cutting Direction
Right Hand
Cutting Edge Material
HSS

$10.96

 / EA
KEO 10442 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/8 in Drill - Fraction, 0.125 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, Cobalt, Bright
ARCH Cutting Tools
KEO 10442 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/8 in Drill - Fraction, 0.125 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, Cobalt, Bright
Part #103810422
MFG #10442
Body Diameter
5/16 in
Country of Origin
US
Cutting Direction
Right Hand

$22.50

 / EA
KEO 10500 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/16 in Drill - Fraction, 0.1875 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10500 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/16 in Drill - Fraction, 0.1875 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810500
MFG #10500
Body Diameter
7/16 in
Cutting Direction
Right Hand
Cutting Edge Material
HSS

$16.04

 / EA
KEO 10600 Aircraft Double End Plain Standard Combined Drill and Countersink, 7/32 in Drill - Fraction, 0.2188 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10600 Aircraft Double End Plain Standard Combined Drill and Countersink, 7/32 in Drill - Fraction, 0.2188 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810600
MFG #10600
Body Diameter
1/2 in
Country of Origin
US
Cutting Direction
Right Hand

$23.34

 / EA
KEO 10700 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/4 in Drill - Fraction, 0.25 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10700 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/4 in Drill - Fraction, 0.25 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810700
MFG #10700
Body Diameter
5/8 in
Country of Origin
US
Cutting Direction
Right Hand

$35.00

 / EA
KEO 11000 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/8 in Drill - Fraction, 0.375 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 11000 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/8 in Drill - Fraction, 0.375 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103811000
MFG #11000
Body Diameter
1 in
Country of Origin
US
Cutting Direction
Right Hand

$105.20

 / EA
KEO 11200 Bell Standard Double End Combined Drill and Countersink, 1/16 in Drill - Fraction, 0.0625 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 11200 Bell Standard Double End Combined Drill and Countersink, 1/16 in Drill - Fraction, 0.0625 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103811200
MFG #11200
Body Diameter
3/16 in
Country of Origin
US
Cutting Direction
Right Hand

$9.91

 / EA
KEO 11300 Bell Standard Double End Combined Drill and Countersink, 3/32 in Drill - Fraction, 0.0938 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 11300 Bell Standard Double End Combined Drill and Countersink, 3/32 in Drill - Fraction, 0.0938 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103811300
MFG #11300
Body Diameter
1/4 in
Country of Origin
US
Cutting Direction
Right Hand

$10.04

 / EA
KEO 10015 Aircraft Double End Plain Standard Combined Drill and Countersink, 0.015 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10015 Aircraft Double End Plain Standard Combined Drill and Countersink, 0.015 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810015
MFG #10015
Body Diameter
1/8 in
Country of Origin
US
Cutting Direction
Right Hand

$11.98

 / EA
KEO 10100 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/64 in Drill - Fraction, 0.0469 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10100 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/64 in Drill - Fraction, 0.0469 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810100
MFG #10100
Body Diameter
1/8 in
Cutting Direction
Right Hand
Cutting Edge Material
HSS

$8.86

 / EA
KEO 10200 Aircraft Double End Plain Standard Combined Drill and Countersink, 5/64 in Drill - Fraction, 0.0781 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10200 Aircraft Double End Plain Standard Combined Drill and Countersink, 5/64 in Drill - Fraction, 0.0781 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810200
MFG #10200
Body Diameter
3/16 in
Cutting Direction
Right Hand
Cutting Edge Material
HSS

$9.40

 / EA
KEO 10300 Double End Plain Hey Combined Drill and Countersink, 7/64 in Drill - Fraction, 0.1094 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10300 Double End Plain Hey Combined Drill and Countersink, 7/64 in Drill - Fraction, 0.1094 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810300
MFG #10300
Body Diameter
1/4 in
Cutting Direction
Right Hand
Cutting Edge Material
HSS

$9.77

 / EA
KEO 10400 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/8 in Drill - Fraction, 0.125 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10400 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/8 in Drill - Fraction, 0.125 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810400
MFG #10400
Body Diameter
5/16 in
Cutting Direction
Right Hand
Cutting Edge Material
HSS

$10.96

 / EA
KEO 10442 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/8 in Drill - Fraction, 0.125 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, Cobalt, Bright
ARCH Cutting Tools
KEO 10442 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/8 in Drill - Fraction, 0.125 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, Cobalt, Bright
Part #103810422
MFG #10442
Body Diameter
5/16 in
Country of Origin
US
Cutting Direction
Right Hand

$22.50

 / EA
KEO 10500 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/16 in Drill - Fraction, 0.1875 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10500 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/16 in Drill - Fraction, 0.1875 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810500
MFG #10500
Body Diameter
7/16 in
Cutting Direction
Right Hand
Cutting Edge Material
HSS

$16.04

 / EA
KEO 10600 Aircraft Double End Plain Standard Combined Drill and Countersink, 7/32 in Drill - Fraction, 0.2188 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10600 Aircraft Double End Plain Standard Combined Drill and Countersink, 7/32 in Drill - Fraction, 0.2188 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810600
MFG #10600
Body Diameter
1/2 in
Country of Origin
US
Cutting Direction
Right Hand

$23.34

 / EA
KEO 10700 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/4 in Drill - Fraction, 0.25 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 10700 Aircraft Double End Plain Standard Combined Drill and Countersink, 1/4 in Drill - Fraction, 0.25 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103810700
MFG #10700
Body Diameter
5/8 in
Country of Origin
US
Cutting Direction
Right Hand

$35.00

 / EA
KEO 11000 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/8 in Drill - Fraction, 0.375 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 11000 Aircraft Double End Plain Standard Combined Drill and Countersink, 3/8 in Drill - Fraction, 0.375 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103811000
MFG #11000
Body Diameter
1 in
Country of Origin
US
Cutting Direction
Right Hand

$105.20

 / EA
KEO 11200 Bell Standard Double End Combined Drill and Countersink, 1/16 in Drill - Fraction, 0.0625 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 11200 Bell Standard Double End Combined Drill and Countersink, 1/16 in Drill - Fraction, 0.0625 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103811200
MFG #11200
Body Diameter
3/16 in
Country of Origin
US
Cutting Direction
Right Hand

$9.91

 / EA
KEO 11300 Bell Standard Double End Combined Drill and Countersink, 3/32 in Drill - Fraction, 0.0938 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
ARCH Cutting Tools
KEO 11300 Bell Standard Double End Combined Drill and Countersink, 3/32 in Drill - Fraction, 0.0938 in Drill - Decimal Inch, 60 deg Included Angle, 118 deg Point Angle, HSS, Bright
Part #103811300
MFG #11300
Body Diameter
1/4 in
Country of Origin
US
Cutting Direction
Right Hand

$10.04

 / EA