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 AV4255754 1/2 × 82 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255754
MPN: 917-000-329
Keo AV4255754TIALN 1/2 × 82 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255754TIALN
MPN: 917-000-330
Keo AV4255755 5/8 × 82 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255755
MPN: 917-000-331
Keo AV4255755TIALN 5/8 × 82 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255755TIALN
MPN: 917-000-332
Keo AV4255756 3/4 × 82 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255756
MPN: 917-000-333
Keo AV4255757 1 × 82 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255757
MPN: 917-000-335
Keo AV4255757TIALN 1 × 82 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255757TIALN
MPN: 917-000-336
Keo AV4255758 1 1/4 × 82 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255758
MPN: 917-000-337
Keo AV4255759 5 PC SET 82 DEG 3FL CARB CSINK
SKU: FTS-AV4255759
MPN: 917-000-339
Keo AV4255760 1/8 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255760
MPN: 917-000-341
Keo AV4255760TIALN 1/8 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255760TIALN
MPN: 917-000-342
Keo AV4255761 3/16 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255761
MPN: 917-000-343
Keo AV4255761TIALN 3/16 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255761TIALN
MPN: 917-000-344
Keo AV4255762 1/4 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255762
MPN: 917-000-345
Keo AV4255763 3/8 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255763
MPN: 917-000-347
Keo AV4255763TIALN 3/8 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255763TIALN
MPN: 917-000-348
Keo AV4255764 1/2 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255764
MPN: 917-000-349
Keo AV4255764TIALN 1/2 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255764TIALN
MPN: 917-000-350
Keo AV4255765 5/8 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255765
MPN: 917-000-351
Keo AV4255765TIALN 5/8 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255765TIALN
MPN: 917-000-352
Keo AV4255766 3/4 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255766
MPN: 917-000-353
Keo AV4255766TIALN 3/4 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255766TIALN
MPN: 917-000-354
Keo AV4255767 1 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255767
MPN: 917-000-355
Keo AV4255767TIALN 1 × 90 DEG 3FL CARBIDE C/SINK
SKU: FTS-AV4255767TIALN
MPN: 917-000-356