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IS Countersinks

Freer Tool & Supply’s IS countersinks collection helps you create clean chamfers and precise countersunk holes for flat head screws and finishing work. Countersinks are commonly used to deburr drilled holes, improve fastener seating, and produce a smooth, professional edge—reducing burr-related assembly issues and improving part appearance in machining and fabrication.

Keo AV4240126 1/2 Size-1/2 Shank-60° 4 Flute Machine Countersink

Keo AV4240126 1/2 Size-1/2 Shank-60° 4 Flute Machine Countersink

SKU: FTS-AV4240126
MPN: 40126

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Keo AV4240128 1/2 Size-1/2 Shank-82° 4 Flute Machine Countersink

Keo AV4240128 1/2 Size-1/2 Shank-82° 4 Flute Machine Countersink

SKU: FTS-AV4240128
MPN: 40128

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Keo AV4240129 1/2 Size-1/2 Shank-90° 4 Flute Machine Countersink

Keo AV4240129 1/2 Size-1/2 Shank-90° 4 Flute Machine Countersink

SKU: FTS-AV4240129
MPN: 40129

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Keo AV4240346 3/4 Size-1/2 Shank-60° 4 Flute Machine Countersink

Keo AV4240346 3/4 Size-1/2 Shank-60° 4 Flute Machine Countersink

SKU: FTS-AV4240346
MPN: 40346

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Keo AV4240349 3/4 Size-1/2 Shank-90° 4 Flute Machine Countersink

Keo AV4240349 3/4 Size-1/2 Shank-90° 4 Flute Machine Countersink

SKU: FTS-AV4240349
MPN: 40349

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Keo AV4240586 5/8 Size-1/2 Shank-60° 4 Flute Machine Countersink

Keo AV4240586 5/8 Size-1/2 Shank-60° 4 Flute Machine Countersink

SKU: FTS-AV4240586
MPN: 40586

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Keo AV4240589 5/8 Size-1/2 Shank-90° 4 Flute Machine Countersink

Keo AV4240589 5/8 Size-1/2 Shank-90° 4 Flute Machine Countersink

SKU: FTS-AV4240589
MPN: 40589

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Keo AV4240786 7/8 Size-1/2 Shank-60° 4 Flute Machine Countersink

Keo AV4240786 7/8 Size-1/2 Shank-60° 4 Flute Machine Countersink

SKU: FTS-AV4240786
MPN: 40786

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Keo AV4240788 7/8 Size-1/2 Shank-82° 4 Flute Machine Countersink

Keo AV4240788 7/8 Size-1/2 Shank-82° 4 Flute Machine Countersink

SKU: FTS-AV4240788
MPN: 40788

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Keo AV4240789 7/8 Size-1/2 Shank-90° 4 Flute Machine Countersink

Keo AV4240789 7/8 Size-1/2 Shank-90° 4 Flute Machine Countersink

SKU: FTS-AV4240789
MPN: 40789

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Keo AV4241006 1 Size-1/2 Shank-60° 4 Flute Machine Countersink

Keo AV4241006 1 Size-1/2 Shank-60° 4 Flute Machine Countersink

SKU: FTS-AV4241006
MPN: 41006

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Keo AV4241008 1 Size-1/2 Shank-82° 4 Flute Machine Countersink

Keo AV4241008 1 Size-1/2 Shank-82° 4 Flute Machine Countersink

SKU: FTS-AV4241008
MPN: 41008

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Keo AV4241009 1 Size-1/2 Shank-90° 4 Flute Machine Countersink

Keo AV4241009 1 Size-1/2 Shank-90° 4 Flute Machine Countersink

SKU: FTS-AV4241009
MPN: 41009

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Keo AV4250120 1/2 Size-1/4 Shank-100° 3 Flute Countersink

Keo AV4250120 1/2 Size-1/4 Shank-100° 3 Flute Countersink

SKU: FTS-AV4250120
MPN: 50120

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Keo AV4250121 1/2 Size-1/4 Shank-110° 3 Flute Countersink

Keo AV4250121 1/2 Size-1/4 Shank-110° 3 Flute Countersink

SKU: FTS-AV4250121
MPN: 50121

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Keo AV4250122 1/2 Size-1/4 Shank-120° 3 Flute Countersink

Keo AV4250122 1/2 Size-1/4 Shank-120° 3 Flute Countersink

SKU: FTS-AV4250122
MPN: 50122

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Keo AV4250126 1/2 Size-1/4 Shank-60° 3 Flute Countersink

Keo AV4250126 1/2 Size-1/4 Shank-60° 3 Flute Countersink

SKU: FTS-AV4250126
MPN: 50126

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Keo AV4250128 1/2 82DEG KEO 3FL

Keo AV4250128 1/2 82DEG KEO 3FL

SKU: FTS-AV4250128
MPN: 50128

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Keo AV4250129 1/2 Size-1/4 Shank-90° 3 Flute Countersink

Keo AV4250129 1/2 Size-1/4 Shank-90° 3 Flute Countersink

SKU: FTS-AV4250129
MPN: 50129

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Keo AV4250140 1/4 Size-1/4 Shank-100° 3 Flute Countersink

Keo AV4250140 1/4 Size-1/4 Shank-100° 3 Flute Countersink

SKU: FTS-AV4250140
MPN: 50140

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Keo AV4250142 1/4 Size-1/4 Shank-120° 3 Flute Countersink

Keo AV4250142 1/4 Size-1/4 Shank-120° 3 Flute Countersink

SKU: FTS-AV4250142
MPN: 50142

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Keo AV4250146 1/4 Size-1/4 Shank-60° 3 Flute Countersink

Keo AV4250146 1/4 Size-1/4 Shank-60° 3 Flute Countersink

SKU: FTS-AV4250146
MPN: 50146

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Keo AV4250148 1/4 Size-1/4 Shank-82° 3 Flute Countersink

Keo AV4250148 1/4 Size-1/4 Shank-82° 3 Flute Countersink

SKU: FTS-AV4250148
MPN: 50148

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Keo AV4250149 1/4 Size-1/4 Shank-90° 3 Flute Countersink

Keo AV4250149 1/4 Size-1/4 Shank-90° 3 Flute Countersink

SKU: FTS-AV4250149
MPN: 50149

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