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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.

ProCut BB50CR660 3/8" Size-1/4" Shank-60° 3 Flute Center Countersink

ProCut BB50CR660 3/8" Size-1/4" Shank-60° 3 Flute Center Countersink

SKU: FTS-BB50CR660
MPN: CR660

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ProCut BB50CR682 3/8" Size-1/4" Shank-82° 3 Flute Center Countersink

ProCut BB50CR682 3/8" Size-1/4" Shank-82° 3 Flute Center Countersink

SKU: FTS-BB50CR682
MPN: CR682

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ProCut BB50CR690 3/8" Size-1/4" Shank-90° 3 Flute Center Countersink

ProCut BB50CR690 3/8" Size-1/4" Shank-90° 3 Flute Center Countersink

SKU: FTS-BB50CR690
MPN: CR690

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ProCut BB50CR8110 1/2" Size-3/8" Shank-110° 3 Flute Center Countersink

ProCut BB50CR8110 1/2" Size-3/8" Shank-110° 3 Flute Center Countersink

SKU: FTS-BB50CR8110
MPN: CR8110

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ProCut BB50CR8120 1/2" Size-3/8" Shank-120° 3 Flute Center Countersink

ProCut BB50CR8120 1/2" Size-3/8" Shank-120° 3 Flute Center Countersink

SKU: FTS-BB50CR8120
MPN: CR8120

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ProCut BB50CR860 1/2" Size-3/8" Shank-60° 3 Flute Center Countersink

ProCut BB50CR860 1/2" Size-3/8" Shank-60° 3 Flute Center Countersink

SKU: FTS-BB50CR860
MPN: CR860

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ProCut BB50CR882 1/2" Size-3/8" Shank-82° 3 Flute Center Countersink

ProCut BB50CR882 1/2" Size-3/8" Shank-82° 3 Flute Center Countersink

SKU: FTS-BB50CR882
MPN: CR882

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ProCut BB50CR890 1/2" Size-3/8" Shank-90° 3 Flute Center Countersink

ProCut BB50CR890 1/2" Size-3/8" Shank-90° 3 Flute Center Countersink

SKU: FTS-BB50CR890
MPN: CR890

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ProCut BB51MC1060 5/8" Size-1/2" Shank-60° 4 Flute Machine Countersink

ProCut BB51MC1060 5/8" Size-1/2" Shank-60° 4 Flute Machine Countersink

SKU: FTS-BB51MC1060
MPN: MC1060

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ProCut BB51MC1082 5/8" Size-1/2" Shank-82° 4 Flute Machine Countersink

ProCut BB51MC1082 5/8" Size-1/2" Shank-82° 4 Flute Machine Countersink

SKU: FTS-BB51MC1082
MPN: MC1082

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ProCut BB51MC1090 5/8" Size-1/2" Shank-90° 4 Flute Machine Countersink

ProCut BB51MC1090 5/8" Size-1/2" Shank-90° 4 Flute Machine Countersink

SKU: FTS-BB51MC1090
MPN: MC1090

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ProCut BB51MC1260 3/4" Size-1/2" Shank-60° 4 Flute Machine Countersink

ProCut BB51MC1260 3/4" Size-1/2" Shank-60° 4 Flute Machine Countersink

SKU: FTS-BB51MC1260
MPN: MC1260

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ProCut BB51MC1282 3/4" Size-1/2" Shank-82° 4 Flute Machine Countersink

ProCut BB51MC1282 3/4" Size-1/2" Shank-82° 4 Flute Machine Countersink

SKU: FTS-BB51MC1282
MPN: MC1282

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ProCut BB51MC1290 3/4 90DEG HS MACH CSINK

ProCut BB51MC1290 3/4 90DEG HS MACH CSINK

SKU: FTS-BB51MC1290
MPN: MC1290

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ProCut BB51MC1460 7/8" Size-1/2" Shank-60° 4 Flute Machine Countersink

ProCut BB51MC1460 7/8" Size-1/2" Shank-60° 4 Flute Machine Countersink

SKU: FTS-BB51MC1460
MPN: MC1460

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ProCut BB51MC1482 7/8" Size-1/2" Shank-82° 4 Flute Machine Countersink

ProCut BB51MC1482 7/8" Size-1/2" Shank-82° 4 Flute Machine Countersink

SKU: FTS-BB51MC1482
MPN: MC1482

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ProCut BB51MC1490 7/8" Size-1/2" Shank-90° 4 Flute Machine Countersink

ProCut BB51MC1490 7/8" Size-1/2" Shank-90° 4 Flute Machine Countersink

SKU: FTS-BB51MC1490
MPN: MC1490

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ProCut BB51MC1660 1" Size-1/2" Shank-60° 4 Flute Machine Countersink

ProCut BB51MC1660 1" Size-1/2" Shank-60° 4 Flute Machine Countersink

SKU: FTS-BB51MC1660
MPN: MC1660

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ProCut BB51MC1682 1" Size-1/2" Shank-82° 4 Flute Machine Countersink

ProCut BB51MC1682 1" Size-1/2" Shank-82° 4 Flute Machine Countersink

SKU: FTS-BB51MC1682
MPN: MC1682

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ProCut BB51MC1690 1" Size-1/2" Shank-90° 4 Flute Machine Countersink

ProCut BB51MC1690 1" Size-1/2" Shank-90° 4 Flute Machine Countersink

SKU: FTS-BB51MC1690
MPN: MC1690

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ProCut BB51MC2060 1-1/4" Size-1/2" Shank-60° 4 Flute Machine Countersink

ProCut BB51MC2060 1-1/4" Size-1/2" Shank-60° 4 Flute Machine Countersink

SKU: FTS-BB51MC2060
MPN: MC2060

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ProCut BB51MC2082 1-1/4" Size-1/2" Shank-82° 4 Flute Machine Countersink

ProCut BB51MC2082 1-1/4" Size-1/2" Shank-82° 4 Flute Machine Countersink

SKU: FTS-BB51MC2082
MPN: MC2082

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ProCut BB51MC2090 1-1/4" Size-1/2" Shank-90° 4 Flute Machine Countersink

ProCut BB51MC2090 1-1/4" Size-1/2" Shank-90° 4 Flute Machine Countersink

SKU: FTS-BB51MC2090
MPN: MC2090

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ProCut BB51MC2460 1-1/2" Size-1/2" Shank-60° 4 Flute Machine Countersink

ProCut BB51MC2460 1-1/2" Size-1/2" Shank-60° 4 Flute Machine Countersink

SKU: FTS-BB51MC2460
MPN: MC2460

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