Counterbores
These counterbores are primarily for use on portable drills and clamp to the center drill with a set screw. Available in 3/8 to 2-1/2" for center drills sized 3/16 to 1/2".
Additional counterbores can be found in our Drill Bits for Boring Machines section.
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Carbide Processors
Clamp-On Adjustable CounterBore, 1/2 OD, 1/4 ID, Carbide Processors HS123-62304Adjustable Counterbore, Counterboring Flat Bottom Holes- 1/2 Cutting Diameter, 1/4 Center Drill Diam…
MSRP: $46.46$33.83 -
Carbide Processors
Clamp-On Adjustable CounterBore, 3/8 OD, 3/16 ID, Carbide Processors HS123-62301Adjustable Counterbore, Counterboring Flat Bottom Holes- 3/8 Cutting Diameter, 3/16 Center Drill Dia…
MSRP: $41.82$30.43 -
Southeast Tool
Counterbore Flat Bottom Holes, 2-1/2 Dia, Southeast Tool SE18412Multi-Spur Counterbore, Style No 184 - Counterbore Flat Bottom Holes - Carbon Steel - Southeast Tool…
MSRP: $195.50$157.11 -
Southeast Tool
Counterbore Flat Bottom Holes, 2-1/8 Dia, Southeast Tool SE18410Multi-Spur Counterbore, Style No 184 - Counterbore Flat Bottom Holes - Carbon Steel - Southeast Tool…
MSRP: $191.81$154.13 -
Southeast Tool
Counterbore Flat Bottom Holes, 2" Dia, Southeast Tool SE18409Multi-Spur Counterbore, Style No 184 - Counterbore Flat Bottom Holes - Carbon Steel - Southeast Tool…
MSRP: $186.43$149.82 -
Southeast Tool
Counterbore Flat Bottom Holes, 1-7/8 Dia, Southeast Tool SE18408Multi-Spur Counterbore, Style No 184 - Counterbore Flat Bottom Holes - Carbon Steel - Southeast Tool…
MSRP: $169.77$136.43 -
Southeast Tool
Counterbore Flat Bottom Holes, 1-3/4 Dia, Southeast Tool SE18407Multi-Spur Counterbore, Style No 184 - Counterbore Flat Bottom Holes - Carbon Steel - Southeast Tool…
MSRP: $163.42$131.32 -
Southeast Tool
Counterbore Flat Bottom Holes, 1-1/2 Dia, Southeast Tool SE18405Multi-Spur Counterbore, Style No 184 - Counterbore Flat Bottom Holes - Carbon Steel - Southeast Tool…
MSRP: $148.93$119.68 -
Southeast Tool
Counterbore Flat Bottom Holes, 1-1/8 Dia, Southeast Tool SE18402Multi-Spur Counterbore, Style No 184 - Counterbore Flat Bottom Holes - Carbon Steel - Southeast Tool…
MSRP: $131.51$105.68 -
Southeast Tool
Clamp-On CounterBore, 3/4 OD, 1/4 ID, Southeast Tool SE15307Adjustable Counterbore, Style # 5A - Counterboring Flat Bottom Holes - Southeast Tool SE15307; 3/4 C…
MSRP: $52.66$51.23 -
Southeast Tool
Clamp-On CounterBore, 1/2 OD, 1/4 ID, Southeast Tool SE15304Adjustable Counterbore, Style # 5A - Counterboring Flat Bottom Holes - Southeast Tool SE15304; 1/2 C…
MSRP: $40.18$36.83 -
Southeast Tool
Clamp-On CounterBore, 1/2 OD, 7/32 ID, Southeast Tool SE15303Adjustable Counterbore, Style # 5A - Counterboring Flat Bottom Holes - Southeast Tool SE15303; 1/2 C…
MSRP: $51.19$45.55 -
Southeast Tool
Clamp-On CounterBore, 1/2 OD, 3/16 ID, Southeast Tool SE15302Adjustable Counterbore, Style # 5A - Counterboring Flat Bottom Holes - Southeast Tool SE15302; 1/2 C…
MSRP: $40.10$39.10 -
Southeast Tool
Clamp-On CounterBore, 7/16 OD, 3/16 ID, Southeast Tool SE153001Adjustable Counterbore, Style # 5A - Counterboring Flat Bottom Holes - Southeast Tool SE153001; 7/16…
MSRP: $33.34$28.03