1-800-723-5359

Metalworking Tools and Supplies

Shop

Express Order

Model # Qty

Info

Contact

Account

Counterbores, Interchangeable Pilot

Interchangeable Pilot Straight Shank Counterbores

Straight Shank Counterbores with hole for an Interchangeable Pilot.
High Speed Steel.
Please note that Pilots for these Counterbores are NOT included.

Most 64th sizes up to 1 inch are in stock
Price for 64th sizes is 30% over the next larger size - Call to order or request the counterbore in the 'comments' section of your checkout page.
Quantity Price Model Description Diameter Length Shank Diam. Hole Diam. Range of Pilot Sizes

$19.00 CBSS-3/16
3/16" Straight Shank Counterbore w/ Pilot Hole, HSS 3/16" 3" 15/64" 3/32" 1/8- 3/16"

$19.00 CBSS-7/32
7/32" Straight Shank Counterbore w/ Pilot Hole, HSS 7/32" 3" 15/64" 3/32 1/8- 7/32

$17.55 CBSS-1/4
1/4" Straight Shank Counterbore w/ Pilot Hole, HSS 1/4" 3-13/16" 15/64" 3/32 1/8- 3/16

$17.55 CBSS-9/32
9/32" Straight Shank Counterbore w/ Pilot Hole, HSS 9/32" 3-13/16" 17/64" 3/32 1/8- 7/32

$17.85 CBSS-5/16
5/16" Straight Shank Counterbore w/ Pilot Hole, HSS 5/16" 3-13/16" 19/64" 3/32 1/8- 1/4

$18.25 CBSS-11/32
11/32" Straight Shank Counterbore w/ Pilot Hole, HSS 11/32" 3-13/16" 5/16" 3/32 1/8- 9/32

$18.25 CBSS-3/8
3/8" Straight Shank Counterbore w/ Pilot Hole, HSS 3/8" 4-1/16" 5/16" 5/32 3/16- 5/16

$18.40 CBSS-13/32
13/32" Straight Shank Counterbore w/ Pilot Hole, HSS 13/32" 4-1/16" 3/8" 5/32 3/16- 11/32

$18.40 CBSS-7/16
7/16" Straight Shank Counterbore w/ Pilot Hole, HSS 7/16" 4-1/16" 3/8" 5/32 3/16- 3/8

$19.60 CBSS-15/32
15/32" Straight Shank Counterbore w/ Pilot Hole, HSS 15/32" 4-5/16" 7/16" 3/16 1/4- 13/32

$19.60 CBSS-1/2
1/2" Straight Shank Counterbore w/ Pilot Hole, HSS 1/2" 4-5/16" 7/16" 3/16 1/4- 7/16

$21.70 CBSS-17/32
17/32" Straight Shank Counterbore w/ Pilot Hole, HSS 17/32" 4-5/16" 1/2" 3/16 1/4- 15/32

$21.70 CBSS-9/16
9/16" Straight Shank Counterbore w/ Pilot Hole, HSS 9/16" 4-5/16" 1/2" 3/16 1/4- 1/2

$23.25 CBSS-19/32
19/32" Straight Shank Counterbore w/ Pilot Hole, HSS 19/32" 5-1/8" 1/2" 3/16 1/4- 17/32

$23.25 CBSS-5/8
5/8" Straight Shank Counterbore w/ Pilot Hole, HSS 5/8" 5-1/8" 1/2" 3/16 1/4- 9/16

$25.70 CBSS-21/32
21/32" Straight Shank Counterbore w/ Pilot Hole, HSS 21/32" 5-1/8" 1/2" 3/16 1/4- 19/32

$25.70 CBSS-11/16
11/16" Straight Shank Counterbore w/ Pilot Hole, HSS 11/16" 5-1/8" 1/2" 3/16 1/4- 5/8

$27.05 CBSS-23/32
23/32" Straight Shank Counterbore w/ Pilot Hole, HSS 23/32" 5-3/8" 1/2" 1/4 3/16- 21/32

$27.05 CBSS-3/4
3/4" Straight Shank Counterbore w/ Pilot Hole, HSS 3/4" 5-3/8" 1/2" 1/4 5/16- 11/16

$28.30 CBSS-25/32
25/32" Straight Shank Counterbore w/ Pilot Hole, HSS 25/32" 5-3/8" 5/8" 1/4 5/16- 23/32

$28.30 CBSS-13/16
13/16" Straight Shank Counterbore w/ Pilot Hole, HSS 13/16" 5-3/8" 5/8" 1/4 5/16- 3/4

$29.70 CBSS-27/32
27/32" Straight Shank Counterbore w/ Pilot Hole, HSS 27/32" 5-3/8" 3/4" 1/4 5/16- 13/16

$29.70 CBSS-7/8
7/8" Straight Shank Counterbore w/ Pilot Hole, HSS 7/8" 5-3/8" 3/4" 1/4 5/16-13/16

$31.10 CBSS-29/32
29/32" Straight Shank Counterbore w/ Pilot Hole, HSS 29/32" 6-1/8" 3/4" 1/4 5/16-27/32

$31.10 CBSS-15/16
15/16" Straight Shank Counterbore w/ Pilot Hole, HSS 15/16" 6-1/8" 3/4" 1/4 5/16-7/8

$33.20 CBSS-31/32
31/32" Straight Shank Counterbore w/ Pilot Hole, HSS 31/32" 6-3/8" 3/4" 5/16 3/8-29/32

$35.65 CBSS-1
1" Straight Shank Counterbore w/ Pilot Hole, HSS 1" 6-3/8" 3/4" 5/16 3/8-15/16

$45.75 CBSS-1-1/16
1-1/16" Straight Shank Counterbore w/ Pilot Hole, HSS 1-1/16" 6-3/8" 3/4" 5/16 3/8-1

$46.95 CBSS-1-1/8
1-1/8" Straight Shank Counterbore w/ Pilot Hole, HSS 1-1/8" 6-3/8" 1" 5/16 3/8-1 1/16

$49.50 CBSS-1-3/16
1-3/16" Straight Shank Counterbore w/ Pilot Hole, HSS 1-3/16" 6-3/8" 1 5/16 3/8-1 1/8

$57.90 CBSS-1-1/4
1-1/4" Straight Shank Counterbore w/ Pilot Hole, HSS 1-1/4" 6-5/8" 1" 3/8 7/16-1 3/16

$61.00 CBSS-1-5/16
1-5/16" Straight Shank Counterbore w/ Pilot Hole, HSS 1-5/16" 6 5/8" 1 3/8 7/16-1 1/4

$66.10 CBSS-1-3/8
1-3/8" Straight Shank Counterbore w/ Pilot Hole, HSS 1-3/8" 7-7/8" 1" 3/8 7/16-1 5/16

$74.00 CBSS-1-7/16
1-7/16" Straight Shank Counterbore w/ Pilot Hole, HSS 1-7/16" 7-7/8" 1-1/4" 3/8 7/16-1 3/8

$74.00 CBSS-1-1/2
1-1/2" Straight Shank Counterbore w/ Pilot Hole, HSS 1-1/2" 8-1/8" 1-1/4" 3/8 7/16-1 7/16

$93.00 CBSS-1-9/16
1-9/16" Straight Shank Counterbore w/ Pilot Hole, HSS 1-9/16" 8-1/8" 1-1/4" 7/16 1/2-1 1/2

$93.00 CBSS-1-5/8
1-5/8" Straight Shank Counterbore w/ Pilot Hole, HSS 1-5/8" 8-1/8" 1-1/4" 7/16 1/2-1 9/16

$100.20 CBSS-1-11/16
1-11/16" Straight Shank Counterbore w/ Pilot Hole, HSS 1-11/16" 8-1/8" 1-1/4" 7/16 1/2-1 5/8

$100.20 CBSS-1-3/4
1-3/4" Straight Shank Counterbore w/ Pilot Hole, HSS 1-3/4" 8-1/8" 1-1/4" 7/16 1/2-1 11/16

$110.00 CBSS-1-13/16
1-13/16" Straight Shank Counterbore w/ Pilot Hole, HSS 1-13/16" 8-1/8" 1-1/2" 7/16 1/2-1 3/4

$110.00 CBSS-1-7/8
1-7/8" Straight Shank Counterbore w/ Pilot Hole, HSS 1-7/8" 8-1/8" 1-1/2" 7/16 1/2-1 13/16

$124.60 CBSS-1-15/16
1-15/16" Straight Shank Counterbore w/ Pilot Hole, HSS 1-15/16" 8-3/8" 1-1/2" 7/16 1/2-1 7/8

$124.60 CBSS-2
2" Straight Shank Counterbore w/ Pilot Hole, HSS 2" 8-3/8" 1-1/2" 1/2 9/16-1 15/16

$193.00 CBSS-2-1/8
2-1/8" Straight Shank Counterbore w/ Pilot Hole, HSS 2-1/8" 9-7/8" 1-1/2" 1/2 9/16-2 1/16

$206.00 CBSS-2-1/4
2-1/4" Straight Shank Counterbore w/ Pilot Hole, HSS 2-1/4" 9-7/8" 1-1/2" 1/2 9/16-2 3/16

$221.00 CBSS-2-3/8
2-3/8" Straight Shank Counterbore w/ Pilot Hole, HSS 2-3/8" 9-7/8" 1-3/4" 1/2 9/16-2 5/16

$235.00 CBSS-2-1/2
2-1/2" Straight Shank Counterbore w/ Pilot Hole, HSS 2-1/2" 9-7/8" 1-3/4" 1/2 9/16-2 7/16

$287.00 CBSS-2-5/8
2-5/8" Straight Shank Counterbore w/ Pilot Hole, HSS 2-5/8" 9-7/8" 1-3/4" 1/2 9/16-2 9/16

$304.00 CBSS-2-3/4
2-3/4" Straight Shank Counterbore w/ Pilot Hole, HSS 2-3/4" 9-7/8" 1-3/4" 1/2 9/16-2 11/16

$317.00 CBSS-2-7/8
2-7/8" Straight Shank Counterbore w/ Pilot Hole, HSS 2-7/8" 9-7/8" 1-3/4" 1/2 9/16-2 13/16

$328.00 CBSS-3
3" Straight Shank Counterbore w/ Pilot Hole, HSS 3" 9-7/8" 1-3/4" 1/2 9/16-2 15/16

Interchangeable Pilot Taper Shank Counterbores

Taper Shank Counterbore Tools with holes for Interchangeable Pilots.
High Speed Steel.
Please note that Pilots for these Counterbores are NOT included.
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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 15/16" 6 1/8 3 1/4 5/16- 7/8

$40.10 CBTS-1
1" Taper Shank Counterbore w/ Pilot Hole, HSS 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 3" 9 7/8 5 1/2 9/16-2 15/16