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AT HSS Countersinks

AT hole enlarging core drills are designed to enlarge or open up existing holes in metalworking and industrial applications (application dependent). Unlike standard twist drills that start from solid material, core drills are commonly used when a hole is already present and you need to bring it to a larger diameter with improved control and efficiency—often in fabrication, maintenance, and repair work.

Alfa Tools CSF15001 1/8 X 1/8 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15001 1/8 X 1/8 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15001
MPN: CSF15001

Save $13.31
Alfa Tools CSF15002 3/16 X 3/16 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15002 3/16 X 3/16 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15002
MPN: CSF15002

Save $13.59
Alfa Tools CSF15003 1/4 X 1/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15003 1/4 X 1/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15003
MPN: CSF15003

Save $14.13
Alfa Tools CSF15004 3/8 X 1/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15004 3/8 X 1/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15004
MPN: CSF15004

Save $16
Alfa Tools CSF15005 1/2 X 1/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15005 1/2 X 1/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15005
MPN: CSF15005

Save $19.67
Alfa Tools CSF15006 5/8 X 3/8 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15006 5/8 X 3/8 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15006
MPN: CSF15006

Save $26.22
Alfa Tools CSF15007 3/4 X 1/2 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15007 3/4 X 1/2 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15007
MPN: CSF15007

Save $37.85
Alfa Tools CSF15008 1 X 1/2 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15008 1 X 1/2 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15008
MPN: CSF15008

Save $64.67
Alfa Tools CSF15009 1-1/4 X 1/2 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15009 1-1/4 X 1/2 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15009
MPN: CSF15009

Save $126.02
Alfa Tools CSF15010 1-1/2 X 3/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15010 1-1/2 X 3/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15010
MPN: CSF15010

Save $170.46
Alfa Tools CSF15011 1-3/4 X 3/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15011 1-3/4 X 3/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15011
MPN: CSF15011

Save $217.77
Alfa Tools CSF15012 2 X 3/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF15012 2 X 3/4 HSS 82° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF15012
MPN: CSF15012

Save $302
Alfa Tools CSF15020 5 PC HSS 82° USA COUNTERSINK SET

Alfa Tools CSF15020 5 PC HSS 82° USA COUNTERSINK SET

SKU: AT-CSF15020
MPN: CSF15020

Save $168.30
Alfa Tools CSF16001 1/8 X 1/8 HSS 60° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF16001 1/8 X 1/8 HSS 60° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF16001
MPN: CSF16001

Save $13.31
Alfa Tools CSF16002 3/16 X 3/16 HSS 60° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF16002 3/16 X 3/16 HSS 60° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF16002
MPN: CSF16002

Save $13.59
Alfa Tools CSF16003 1/4 X 1/4 HSS 60° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF16003 1/4 X 1/4 HSS 60° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF16003
MPN: CSF16003

Save $14.13
Alfa Tools CSF16004 3/8 X 1/4 HSS 60° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF16004 3/8 X 1/4 HSS 60° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF16004
MPN: CSF16004

Save $16
Alfa Tools CSF16005 1/2 X 1/4 HSS 60° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF16005 1/2 X 1/4 HSS 60° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF16005
MPN: CSF16005

Save $19.67
Alfa Tools CSF16006 5/8 X 3/8 HSS 62° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF16006 5/8 X 3/8 HSS 62° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF16006
MPN: CSF16006

Save $26.22
Alfa Tools CSF16007 3/4 X 1/2 HSS 60° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF16007 3/4 X 1/2 HSS 60° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF16007
MPN: CSF16007

Save $37.85
Alfa Tools CSF16008 1 X 1/2 HSS 60° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF16008 1 X 1/2 HSS 60° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF16008
MPN: CSF16008

Save $64.67
Alfa Tools CSF16009 1-1/4 X 1/2 HSS 60° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF16009 1-1/4 X 1/2 HSS 60° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF16009
MPN: CSF16009

Save $126.02
Alfa Tools CSF16010 1-1/2 X 3/4 HSS 60° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF16010 1-1/2 X 3/4 HSS 60° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF16010
MPN: CSF16010

Save $170.46
Alfa Tools CSF16011 1-3/4 X 3/4 HSS 60° SINGLE FLUTE USA COUNTERSINK

Alfa Tools CSF16011 1-3/4 X 3/4 HSS 60° SINGLE FLUTE USA COUNTERSINK

SKU: AT-CSF16011
MPN: CSF16011

Save $217.77