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IS Counterbore/Countersink

Freer Tool & Supply’s IS counterbore and countersink collection supports clean, accurate hole finishing and proper fastener seating in machining, fabrication, and assembly work. Counterbores create flat-bottom recesses for socket head and cap screws, while countersinks add the chamfer needed for flat head screws and smoother hole entrances—helping improve fit, alignment, and overall assembly quality.

Keo AV4255787TIALN 1 × 60 DEG 6 FL CARBIDE C/SINK

Keo AV4255787TIALN 1 × 60 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255787TIALN
MPN: 919-001-005

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Keo AV4255788 1 1/4 × 60 DEG 6 FL CARBIDE C/SINK

Keo AV4255788 1 1/4 × 60 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255788
MPN: 919-001-006

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Keo AV4255789 1 1/2 × 60 DEG 6 FL CARBIDE C/SINK

Keo AV4255789 1 1/2 × 60 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255789
MPN: 919-001-008

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Keo AV4255790 5 PC SET 60 DEG 6FL CARB CSINK

Keo AV4255790 5 PC SET 60 DEG 6FL CARB CSINK

SKU: FTS-AV4255790
MPN: 919-001-010

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Keo AV4255791 1/8 × 82 DEG 6 FL CARBIDE C/SINK

Keo AV4255791 1/8 × 82 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255791
MPN: 919-001-012

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Keo AV4255792 3/16 × 82 DEG 6 FL CARBIDE C/SINK

Keo AV4255792 3/16 × 82 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255792
MPN: 919-001-014

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Keo AV4255793 1/4 × 82 DEG 6 FL CARBIDE C/SINK

Keo AV4255793 1/4 × 82 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255793
MPN: 919-001-016

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Keo AV4255794 3/8 × 82 DEG 6 FL CARBIDE C/SINK

Keo AV4255794 3/8 × 82 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255794
MPN: 919-001-018

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Keo AV4255795 1/2 × 82 DEG 6 FL CARBIDE C/SINK

Keo AV4255795 1/2 × 82 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255795
MPN: 919-001-020

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Keo AV4255796 5/8 × 82 DEG 6 FL CARBIDE C/SINK

Keo AV4255796 5/8 × 82 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255796
MPN: 919-001-022

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Keo AV4255797 3/4 × 82 DEG 6 FL CARBIDE C/SINK

Keo AV4255797 3/4 × 82 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255797
MPN: 919-001-024

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Keo AV4255798 1 × 82 DEG 6 FL CARBIDE C/SINK

Keo AV4255798 1 × 82 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255798
MPN: 919-001-026

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Keo AV4255799 1 1/4 × 82 DEG 6 FL CARBIDE C/SINK

Keo AV4255799 1 1/4 × 82 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255799
MPN: 919-001-028

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Keo AV4255800 1 1/2 × 82 DEG 6 FL CARBIDE C/SINK

Keo AV4255800 1 1/2 × 82 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255800
MPN: 919-001-030

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Keo AV4255801 5 PC SET 82 DEG 6FL CARB CSINK

Keo AV4255801 5 PC SET 82 DEG 6FL CARB CSINK

SKU: FTS-AV4255801
MPN: 919-001-032

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Keo AV4255802 1/8 × 90 DEG 6 FL CARBIDE C/SINK

Keo AV4255802 1/8 × 90 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255802
MPN: 919-001-034

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Keo AV4255803 3/16 × 90 DEG 6 FL CARBIDE C/SINK

Keo AV4255803 3/16 × 90 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255803
MPN: 919-001-036

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Keo AV4255804 1/4 × 90 DEG 6 FL CARBIDE C/SINK

Keo AV4255804 1/4 × 90 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255804
MPN: 919-001-038

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Keo AV4255805 3/8 × 90 DEG 6 FL CARBIDE C/SINK

Keo AV4255805 3/8 × 90 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255805
MPN: 919-001-040

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Keo AV4255806 1/2 × 90 DEG 6 FL CARBIDE C/SINK

Keo AV4255806 1/2 × 90 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255806
MPN: 919-001-042

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Keo AV4255807 5/8 × 90 DEG 6 FL CARBIDE C/SINK

Keo AV4255807 5/8 × 90 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255807
MPN: 919-001-044

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Keo AV4255808 3/4 × 90 DEG 6 FL CARBIDE C/SINK

Keo AV4255808 3/4 × 90 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255808
MPN: 919-001-046

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Keo AV4255809 1 × 90 DEG 6 FL CARBIDE C/SINK

Keo AV4255809 1 × 90 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255809
MPN: 919-001-048

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Keo AV4255810 1 1/4 × 90 DEG 6 FL CARBIDE C/SINK

Keo AV4255810 1 1/4 × 90 DEG 6 FL CARBIDE C/SINK

SKU: FTS-AV4255810
MPN: 919-001-050

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