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IS Counterbores

Freer Tool & Supply’s IS counterbores collection is designed for clean, accurate fastener seating in machining, fabrication, and assembly work. Counterbores create flat-bottom recesses that help bolts and socket head cap screws sit properly, improving fit, alignment, and overall assembly quality—especially when you’re working to print and holding tight tolerances.

ProCut CD60010 10 COBALT CAPSCREW CBORE

ProCut CD60010 10 COBALT CAPSCREW CBORE

SKU: FTS-CD60010
MPN: CD60010

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ProCut CD60016 1/4 COBALT CAPSCREW CBORE

ProCut CD60016 1/4 COBALT CAPSCREW CBORE

SKU: FTS-CD60016
MPN: CD60016

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ProCut CD60020 5/16 COBALT CAPSCREW CBORE

ProCut CD60020 5/16 COBALT CAPSCREW CBORE

SKU: FTS-CD60020
MPN: CD60020

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ProCut CD60024 3/8 COBALT CAPSCREW CBORE

ProCut CD60024 3/8 COBALT CAPSCREW CBORE

SKU: FTS-CD60024
MPN: CD60024

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ProCut CD60028 7/16 COBALT CAPSCREW CBORE

ProCut CD60028 7/16 COBALT CAPSCREW CBORE

SKU: FTS-CD60028
MPN: CD60028

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ProCut CD60032 1/2X25/32 COBALT CAPSCREW CBORE

ProCut CD60032 1/2X25/32 COBALT CAPSCREW CBORE

SKU: FTS-CD60032
MPN: CD60032

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ProCut CD60033 1/2X13/16 COBALT CAPSCREW CBORE

ProCut CD60033 1/2X13/16 COBALT CAPSCREW CBORE

SKU: FTS-CD60033
MPN: CD60033

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ProCut CD60048 3/4 COBALT CAPSCREW CBORE

ProCut CD60048 3/4 COBALT CAPSCREW CBORE

SKU: FTS-CD60048
MPN: CD60048

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ProCut CD60100 1" COBALT CAPSCREW CBORE

ProCut CD60100 1" COBALT CAPSCREW CBORE

SKU: FTS-CD60100
MPN: CD60100

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ProCut CF50016 1/4 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50016 1/4 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50016
MPN: 5-618-015

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ProCut CF50018 9/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50018 9/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50018
MPN: 5-618-020

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ProCut CF50020 5/16 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50020 5/16 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50020
MPN: 5-618-025

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ProCut CF50022 11/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50022 11/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50022
MPN: 5-618-030

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ProCut CF50024 3/8 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50024 3/8 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50024
MPN: 5-618-035

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ProCut CF50026 13/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50026 13/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50026
MPN: 5-618-040

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ProCut CF50028 7/16 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50028 7/16 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50028
MPN: 5-618-045

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ProCut CF50030 15/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50030 15/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50030
MPN: 5-618-050

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ProCut CF50032 1/2 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50032 1/2 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50032
MPN: 5-618-055

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ProCut CF50034 17/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50034 17/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50034
MPN: 5-618-060

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ProCut CF50036 9/16 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50036 9/16 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50036
MPN: 5-618-065

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ProCut CF50038 19/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50038 19/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50038
MPN: 5-618-070

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ProCut CF50040 5/8 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50040 5/8 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50040
MPN: 5-618-075

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ProCut CF50042 21/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50042 21/32 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50042
MPN: 5-618-080

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ProCut CF50044 11/16 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

ProCut CF50044 11/16 Screw Size-HSS-Taper Shank Interchange Pilot Counterbore

SKU: FTS-CF50044
MPN: 5-618-085

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