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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 AV4253382 3/8 Size-1/4 Shank-120° Single Flute Countersink

Keo AV4253382 3/8 Size-1/4 Shank-120° Single Flute Countersink

SKU: FTS-AV4253382
MPN: 53382

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Keo AV4253440 1-3/4 Size-3/4 Shank-100° Single Flute Countersink

Keo AV4253440 1-3/4 Size-3/4 Shank-100° Single Flute Countersink

SKU: FTS-AV4253440
MPN: 53440

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Keo AV4253442 1-3/4 Size-3/4 Shank-120° Single Flute Countersink

Keo AV4253442 1-3/4 Size-3/4 Shank-120° Single Flute Countersink

SKU: FTS-AV4253442
MPN: 53442

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Keo AV4253446 1-3/4 Size-3/4 Shank-60° Single Flute Countersink

Keo AV4253446 1-3/4 Size-3/4 Shank-60° Single Flute Countersink

SKU: FTS-AV4253446
MPN: 53446

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Keo AV4253448 1-3/4 Size-3/4 Shank-82° Single Flute Countersink

Keo AV4253448 1-3/4 Size-3/4 Shank-82° Single Flute Countersink

SKU: FTS-AV4253448
MPN: 53448

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Keo AV4253449 1-3/4 Size-3/4 Shank-90° Single Flute Countersink

Keo AV4253449 1-3/4 Size-3/4 Shank-90° Single Flute Countersink

SKU: FTS-AV4253449
MPN: 53449

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Keo AV4253500 7/64 to 9/32 Dia Range 0 FL Pilotless Countersink

Keo AV4253500 7/64 to 9/32 Dia Range 0 FL Pilotless Countersink

SKU: FTS-AV4253500
MPN: 53500

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Keo AV4253501 5/32 to 11/32 Dia Range 0 FL Pilotless Countersink

Keo AV4253501 5/32 to 11/32 Dia Range 0 FL Pilotless Countersink

SKU: FTS-AV4253501
MPN: 53501

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Keo AV4253502 11/64 to 29/64 Dia Range 0 FL Pilotless Countersink

Keo AV4253502 11/64 to 29/64 Dia Range 0 FL Pilotless Countersink

SKU: FTS-AV4253502
MPN: 53502

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Keo AV4253503 3/16 to 37/64 Dia Range 0 FL Pilotless Countersink

Keo AV4253503 3/16 to 37/64 Dia Range 0 FL Pilotless Countersink

SKU: FTS-AV4253503
MPN: 53503

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Keo AV4253504 1/4 to 45/64 Dia Range 0 FL Pilotless Countersink

Keo AV4253504 1/4 to 45/64 Dia Range 0 FL Pilotless Countersink

SKU: FTS-AV4253504
MPN: 53504

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Keo AV4253505 19/64 to 27/32 Dia Range 0 FL Pilotless Countersink

Keo AV4253505 19/64 to 27/32 Dia Range 0 FL Pilotless Countersink

SKU: FTS-AV4253505
MPN: 53505

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Keo AV4253506 27/64 to 1-1/32 Dia Range 0 FL Pilotless Countersink

Keo AV4253506 27/64 to 1-1/32 Dia Range 0 FL Pilotless Countersink

SKU: FTS-AV4253506
MPN: 53506

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Keo AV4253581 5/8 Size-3/8 Shank-110° Single Flute Countersink

Keo AV4253581 5/8 Size-3/8 Shank-110° Single Flute Countersink

SKU: FTS-AV4253581
MPN: 53581

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Keo AV4253582 5/8 Size-3/8 Shank-120° Single Flute Countersink

Keo AV4253582 5/8 Size-3/8 Shank-120° Single Flute Countersink

SKU: FTS-AV4253582
MPN: 53582

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Keo AV4255000 1/8 Size-1/8 Shank-60° 6 Flute Countersink

Keo AV4255000 1/8 Size-1/8 Shank-60° 6 Flute Countersink

SKU: FTS-AV4255000
MPN: 55000

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Keo AV4255001 3/16 Size-3/16 Shank-60° 6 Flute Countersink

Keo AV4255001 3/16 Size-3/16 Shank-60° 6 Flute Countersink

SKU: FTS-AV4255001
MPN: 55001

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Keo AV4255002 1/4 Size-1/4 Shank-60° 6 Flute Countersink

Keo AV4255002 1/4 Size-1/4 Shank-60° 6 Flute Countersink

SKU: FTS-AV4255002
MPN: 55002

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Keo AV4255003 5/16 Size-1/4 Shank-60° 6 Flute Countersink

Keo AV4255003 5/16 Size-1/4 Shank-60° 6 Flute Countersink

SKU: FTS-AV4255003
MPN: 55003

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Keo AV4255004 3/8 Size-1/4 Shank-60° 6 Flute Countersink

Keo AV4255004 3/8 Size-1/4 Shank-60° 6 Flute Countersink

SKU: FTS-AV4255004
MPN: 55004

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Keo AV4255005 1/2X1/4SHK 60DEG KEO 6FL

Keo AV4255005 1/2X1/4SHK 60DEG KEO 6FL

SKU: FTS-AV4255005
MPN: 55005

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Keo AV4255006 1/2 Size-3/8 Shank-60° 6 Flute Countersink

Keo AV4255006 1/2 Size-3/8 Shank-60° 6 Flute Countersink

SKU: FTS-AV4255006
MPN: 55006

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Keo AV4255007 5/8 Size-1/4 Shank-60° 6 Flute Countersink

Keo AV4255007 5/8 Size-1/4 Shank-60° 6 Flute Countersink

SKU: FTS-AV4255007
MPN: 55007

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Keo AV4255008 5/8 Size-3/8 Shank-60° 6 Flute Countersink

Keo AV4255008 5/8 Size-3/8 Shank-60° 6 Flute Countersink

SKU: FTS-AV4255008
MPN: 55008

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