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Interchangeable Pilot Taper Shank Counterbores

Interchangeable Pilot Taper Shank Counterbores

Counterbores. Taper Shank, with hole to receive the shank of an Interchangeable Pilot.
High Speed Steel.

These counterbores are intended to be used with an interchangeable PILOT installed; the pilot aligns the counterbore's cut with a pre-drilled hole.
Please note that pilots are not included with these counterbores. Pilots are purchased separately and are listed here: Pilots for Counterbores

Email us for availability of "64ths" sizes.
Quantity Price Model Description Diameter Length Overall Taper Shank Hole Diameter Range of Pilot Size

$18.40 CBTS-1/4
1/4" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0005 1/4" 3 13/16 1 3/32 1/8- 3/16

$18.40 CBTS-9/32
9/32" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0010 9/32" 3 13/16 1 3/32 1/8- 7/32

$18.90 CBTS-5/16
5/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0015 5/16" 3 13/16 1 3/32 1/8- 1/4

$18.90 CBTS-11/32
11/32" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0020 11/32" 3 13/16 1 3/32 1/8- 9/32

$18.90 CBTS-3/8
3/8" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0025 3/8" 4 1/16 1 5/32 3/16- 5/16

$20.00 CBTS-13/32
13/32" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0030 13/32" 4 1/16 1 5/32 3/16- 11/32

$20.00 CBTS-7/16
7/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0035 7/16" 4 1/16 1 5/32 3/16- 3/8

$21.00 CBTS-15/32
15/32" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0040 15/32" 4 5/16 1 3/16 1/4- 13/32

$25.10 CBTS-1/2
1/2" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0045 1/2" 4 5/16 1 3/16 1/4- 7/16

$22.40 CBTS-17/32
17/32" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0050 17/32" 4 5/16 1 3/16 1/4- 15/32

$28.00 CBTS-9/16
9/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0055 9/16" 4 5/16 1 3/16 1/4- 1/2

$25.20 CBTS-19/32
19/32" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0065 19/32" 5 1/8 1 3/16 1/4- 17/32

$25.20 CBTS-5/8
5/8" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0070 5/8" 5 1/8 2 3/16 1/4- 9/16

$29.20 CBTS-21/32
21/32" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0072 21/32" 5 1/8 2 3/16 1/4- 19/32

$29.20 CBTS-11/16
11/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0075 11/16" 5 1/8 2 3/16 1/4- 5/8

$29.20 CBTS-23/32
23/32" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0080 23/32" 5 3/8 2 1/4 5/16- 21/32

$34.80 CBTS-3/4
3/4" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0085 3/4" 5 3/8 2 1/4 5/16- 11/16

$30.70 CBTS-25/32
25/32" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0090 25/32" 5 3/8 2 1/4 5/16- 23/32

$30.70 CBTS-13/16
13/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0095 13/16" 5 3/8 2 1/4 5/16- 3/4

$32.20 CBTS-7/8
7/8" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0100 7/8" 5 3/8 2 1/4 5/16- 13/16

$40.10 CBTS-15/16
15/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0105 15/16" 6 1/8 3 1/4 5/16- 7/8

$40.10 CBTS-1
1" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0110 1" 6 3/8 3 5/16 3/8- 15/16

$55.70 CBTS-1-1/16
1-1/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0115 1-1/16" 6 3/8 3 5/16 3/8-1

$48.00 CBTS-1-1/8
1-1/8" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0120 1-1/8" 6 3/8 3 5/16 3/8-1 1/16

$60.00 CBTS-1-3/16
1-3/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0125 1-3/16" 6 3/8 3 5/16 3/8-1 1/8

$61.30 CBTS-1-1/4
1-1/4" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0130 1-1/4" 6 5/8 3 3/8 7/16-1 3/16

$62.50 CBTS-1-5/16
1-5/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0135 1-5/16" 6 5/8 3 3/8 7/16-1 1/4

$67.40 CBTS-1-3/8
1-3/8" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0140 1-3/8" 6 5/8 3 3/8 7/16-1 5/16

$72.80 CBTS-1-7/16
1-7/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0150 1-7/16" 7 7/8 4 3/8 7/16-1 3/8

$75.70 CBTS-1-1/2
1-1/2" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0155 1-1/2" 7 7/8 4 3/8 7/16-1 7/16

$98.90 CBTS-1-9/16
1-9/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0160 1-9/16" 8 1/8 4 7/16 1/2-1 1/2

$99.90 CBTS-1-5/8
1-5/8" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0157 1-5/8" 8 1/8 4 7/16 1/2-1 9/16

$108.00 CBTS-1-11/16
1-11/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0165 1-11/16" 8 1/8 4 7/16 1/2-1 5/8

$108.00 CBTS-1-3/4
1-3/4" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0170 1-3/4" 8 1/8 4 7/16 1/2-1 11/16

$118.40 CBTS-1-13/16
1-13/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0175 1-13/16" 8 1/8 4 7/16 1/2-1 3/4

$118.40 CBTS-1-7/8
1-7/8" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0180 1-7/8" 8 1/8 4 7/16 1/2-1 13/16

$133.80 CBTS-1-15/16
1-15/16" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0185 1-15/16" 8 1/8 4 7/16 1/2-1 7/8

$133.80 CBTS-2
2" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0190 2" 8 3/8 4 1/2 9/16-1 15/16

$169.10 CBTS-2-1/8
2-1/8" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0200 2-1/8" 9 7/8 5 1/2 9/16-2 1/16

$178.50 CBTS-2-1/4
2-1/4" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0210 2-1/4" 9 7/8 5 1/2 9/16-2 3/16

$194.00 CBTS-2-3/8
2-3/8" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0220 2-3/8" 9 7/8 5 1/2 9/16-2 5/16

$194.00 CBTS-2-1/2
2-1/2" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0230 2-1/2" 9 7/8 5 1/2 9/16-2 7/16

$208.00 CBTS-2-5/8
2-5/8" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0240 2-5/8" 9 7/8 5 1/2 9/16-2 9/16

$242.00 CBTS-2-3/4
2-3/4" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0245 2-3/4" 9 7/8 5 1/2 9/16-2 11/16

$266.00 CBTS-2-7/8
2-7/8" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0250 2-7/8" 9 7/8 5 1/2 9/16-2 13/16

$274.00 CBTS-3
3" Taper Shank Counterbore w/ Pilot Hole, HSS, 1181-0255 3" 9 7/8 5 1/2 9/16-2 15/16