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 C5F50561 3/8X1/4 HEX SHANK 82° 5FL COUNTERSINK

Alfa Tools C5F50561 3/8X1/4 HEX SHANK 82° 5FL COUNTERSINK

SKU: AT-C5F50561
MPN: C5F50561

Sale price $15.00 List price $29.94
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Alfa Tools C5F50561C 3/8 HEX SHANK 82° 5FL COUNTERSINK CARDED

Alfa Tools C5F50561C 3/8 HEX SHANK 82° 5FL COUNTERSINK CARDED

SKU: AT-C5F50561C
MPN: C5F50561C

Sale price $17.44 List price $34.76
Save $17.32
Alfa Tools C5F50562 1/2X1/4 HEX SHANK 82° 5FL COUNTERSINK

Alfa Tools C5F50562 1/2X1/4 HEX SHANK 82° 5FL COUNTERSINK

SKU: AT-C5F50562
MPN: C5F50562

Sale price $15.64 List price $31.18
Save $15.54
Alfa Tools C5F50562C 1/2 HEX SHANK 82° 5FL COUNTERSINK CARDED

Alfa Tools C5F50562C 1/2 HEX SHANK 82° 5FL COUNTERSINK CARDED

SKU: AT-C5F50562C
MPN: C5F50562C

Sale price $18.05 List price $35.99
Save $17.94
Alfa Tools C5F50563 5/8X1/4 HEX SHANK 82° 5FL COUNTERSINK

Alfa Tools C5F50563 5/8X1/4 HEX SHANK 82° 5FL COUNTERSINK

SKU: AT-C5F50563
MPN: C5F50563

Sale price $25.99 List price $51.85
Save $25.86
Alfa Tools C5F50563C 5/8 HEX SHANK 82° 5FL COUNTERSINK CARDED

Alfa Tools C5F50563C 5/8 HEX SHANK 82° 5FL COUNTERSINK CARDED

SKU: AT-C5F50563C
MPN: C5F50563C

Sale price $28.41 List price $56.67
Save $28.26
Alfa Tools C5F50564 3/4X1/4 HEX SHANK 82° 5FL COUNTERSINK

Alfa Tools C5F50564 3/4X1/4 HEX SHANK 82° 5FL COUNTERSINK

SKU: AT-C5F50564
MPN: C5F50564

Sale price $28.37 List price $56.58
Save $28.21
Alfa Tools C5F50564C 3/4 HEX SHANK 82° 5FL COUNTERSINK CARDED

Alfa Tools C5F50564C 3/4 HEX SHANK 82° 5FL COUNTERSINK CARDED

SKU: AT-C5F50564C
MPN: C5F50564C

Sale price $30.78 List price $61.40
Save $30.62
Alfa Tools Drilling & Metal Cutting Tools c5f50565

Alfa Tools C5F50565 4PC . COUNTERSINK SET

SKU: AT-C5F50565
MPN: C5F50565

Sale price $92.79 List price $185.11
Save $92.32