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Counterbores

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Counterbores, sometimes called spotfacers, create a flat-bottomed cavity at the top of an existing hole so that a bolt, nut, or other part is hidden beneath or sits flush with the top of the hole when installed into it.

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31 results
Product SKUs information
Item Code Price range Availability Pilot Diameter Shank Type Cutter Diameter Special Offer Brand View
$60.37 - $60.37 Click here for lead time.
6.4 mm
Straight
9.5 mm
Brubaker
$75.00 - $75.00 Click here for lead time.
10.3 mm
Straight
15.1 mm
Brubaker
$57.56 - $57.56 Click here for lead time.
3.8 mm
Tu-Lip Straight
Weldon
$67.81 - $67.81 Click here for lead time.
10.3 mm
Tu-Lip Straight
15.1 mm
Weldon
$64.51 - $64.51 Click here for lead time.
8.7 mm
Straight
12.7 mm
Brubaker
$58.08 - $58.08 Click here for lead time.
4.8 mm
Tu-Lip Straight
Weldon
$63.39 - $63.39 Click here for lead time.
8.3 mm
Tu-Lip Straight
12.7 mm
Weldon
$58.49 - $58.49 Click here for lead time.
7.1 mm
Tu-Lip Straight
10.3 mm
Weldon
$52.56 - $52.56 Click here for lead time.
5.2 mm
Straight
8.3 mm
Brubaker
$78.58 - $78.58 Click here for lead time.
9.5 mm
Straight
14.3 mm
Brubaker
$84.28 - $84.28 Click here for lead time.
9.5 mm
Tu-Lip Straight
15.1 mm
Weldon
$58.49 - $58.49 Click here for lead time.
6.4 mm
Tu-Lip Straight
10.3 mm
Weldon
$58.47 - $58.47 Click here for lead time.
5.2 mm
Tu-Lip Straight
Weldon
$63.39 - $63.39 Click here for lead time.
8.7 mm
Tu-Lip Straight
12.7 mm
Weldon
$64.87 - $64.87 Click here for lead time.
8.7 mm
Straight
11.9 mm
Brubaker
$63.39 - $63.39 Click here for lead time.
8 mm
Tu-Lip Straight
12.7 mm
Weldon
$46.08 - $46.08 Click here for lead time.
10.3 mm
Straight
9.5 mm
Reid Select
$31.95 - $31.95 Click here for lead time.
5.2 mm
Straight
Reid Select
$31.95 - $31.95 Click here for lead time.
5.6 mm
Straight
Reid Select
$31.95 - $31.95 Click here for lead time.
4.8 mm
Straight
Reid Select
  • of 2
Counterbore; , Cutter Diameter=9.5 mm, Overall Length=146.1 mm | 5.750 in, Pilot Diameter=6.4 mm,

BT-CS-16

Price Range
$60.37 - $60.37

Stock Levels
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Attributes
  • Brand
    Brubaker
  • Shank Type
    Straight
  • Shank Diameter
    0.375 in
  • Cutter Diameter
    9.5 mm
  • Outside Diameter
    .250 in
Counterbore; , Cutter Diameter=15.1 mm, Overall Length=165.1 mm | 6.500 in, Pilot Diameter=10.3 mm,

BT-CS-26

Price Range
$75.00 - $75.00

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Brubaker
  • Shank Type
    Straight
  • Shank Diameter
    0.500 in
  • Cutter Diameter
    15.1 mm
  • Outside Diameter
    .406 in
Counterbore; , , Overall Length=63.5 mm | 2.500 in, Pilot Diameter=3.8 mm,

WEL-LGN-6-2

Price Range
$57.56 - $57.56

Stock Levels
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Attributes
  • Brand
    Weldon
  • Shank Type
    Tu-Lip Straight
  • Shank Diameter
    0.188 in
  • Outside Diameter
    .150 in
  • Pilot Diameter
    3.8 mm
Counterbore; , Cutter Diameter=15.1 mm, Overall Length=101.6 mm | 4.000 in, Pilot Diameter=10.3 mm,

WEL-LGS-12-3

Price Range
$67.81 - $67.81

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Weldon
  • Shank Type
    Tu-Lip Straight
  • Shank Diameter
    0.375 in
  • Cutter Diameter
    15.1 mm
  • Outside Diameter
    .406 in
Counterbore; , Cutter Diameter=12.7 mm, Overall Length=152.4 mm | 6.000 in, Pilot Diameter=8.7 mm,

BT-CS-22-60

Price Range
$64.51 - $64.51

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Brubaker
  • Shank Type
    Straight
  • Shank Diameter
    0.438 in
  • Cutter Diameter
    12.7 mm
  • Outside Diameter
    .344 in
Counterbore; , , Overall Length=69.9 mm | 2.750 in, Pilot Diameter=4.8 mm,

WEL-LGN-10-1

Price Range
$58.08 - $58.08

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Weldon
  • Shank Type
    Tu-Lip Straight
  • Shank Diameter
    0.188 in
  • Outside Diameter
    .188 in
  • Pilot Diameter
    4.8 mm
Counterbore; , Cutter Diameter=12.7 mm, Overall Length=95.3 mm | 3.750 in, Pilot Diameter=8.3 mm,

WEL-LGS-10-2

Price Range
$63.39 - $63.39

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Weldon
  • Shank Type
    Tu-Lip Straight
  • Shank Diameter
    0.313 in
  • Cutter Diameter
    12.7 mm
  • Outside Diameter
    .328 in
Counterbore; , Cutter Diameter=10.3 mm, Overall Length=88.9 mm | 3.500 in, Pilot Diameter=7.1 mm,

WEL-LGS-8-3

Price Range
$58.49 - $58.49

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Weldon
  • Shank Type
    Tu-Lip Straight
  • Shank Diameter
    0.250 in
  • Cutter Diameter
    10.3 mm
  • Outside Diameter
    .281 in
Counterbore; , Cutter Diameter=8.3 mm, Overall Length=88.9 mm | 3.500 in, Pilot Diameter=5.2 mm,

BT-CS-11

Price Range
$52.56 - $52.56

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Brubaker
  • Shank Type
    Straight
  • Shank Diameter
    0.313 in
  • Cutter Diameter
    8.3 mm
  • Outside Diameter
    .204 in
Counterbore; , Cutter Diameter=14.3 mm, Overall Length=165.1 mm | 6.500 in, Pilot Diameter=9.5 mm,

BT-CS-24

Price Range
$78.58 - $78.58

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Brubaker
  • Shank Type
    Straight
  • Shank Diameter
    0.500 in
  • Cutter Diameter
    14.3 mm
  • Outside Diameter
    .375 in
Counterbore; , Cutter Diameter=15.1 mm, Overall Length=165.1 mm | 6.500 in, Pilot Diameter=9.5 mm,

WEL-LGL-12-1

Price Range
$84.28 - $84.28

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Weldon
  • Shank Type
    Tu-Lip Straight
  • Shank Diameter
    0.500 in
  • Cutter Diameter
    15.1 mm
  • Outside Diameter
    .375 in
Counterbore; , Cutter Diameter=10.3 mm, Overall Length=88.9 mm | 3.500 in, Pilot Diameter=6.4 mm,

WEL-LGS-8-1

Price Range
$58.49 - $58.49

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Weldon
  • Shank Type
    Tu-Lip Straight
  • Shank Diameter
    0.250 in
  • Cutter Diameter
    10.3 mm
  • Outside Diameter
    .250 in
Counterbore; , , Overall Length=69.9 mm | 2.750 in, Pilot Diameter=5.2 mm,

WEL-LGN-10-2

Price Range
$58.47 - $58.47

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Weldon
  • Shank Type
    Tu-Lip Straight
  • Shank Diameter
    0.188 in
  • Outside Diameter
    .204 in
  • Pilot Diameter
    5.2 mm
Counterbore; , Cutter Diameter=12.7 mm, Overall Length=95.3 mm | 3.750 in, Pilot Diameter=8.7 mm,

WEL-LGS-10-3

Price Range
$63.39 - $63.39

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Weldon
  • Shank Type
    Tu-Lip Straight
  • Shank Diameter
    0.313 in
  • Cutter Diameter
    12.7 mm
  • Outside Diameter
    .344 in
Counterbore; , Cutter Diameter=11.9 mm, Overall Length=152.4 mm | 6.000 in, Pilot Diameter=8.7 mm,

BT-CS-22

Price Range
$64.87 - $64.87

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Brubaker
  • Shank Type
    Straight
  • Shank Diameter
    0.438 in
  • Cutter Diameter
    11.9 mm
  • Outside Diameter
    .344 in
Counterbore; , Cutter Diameter=12.7 mm, Overall Length=95.3 mm | 3.750 in, Pilot Diameter=8 mm,

WEL-LGS-10-1

Price Range
$63.39 - $63.39

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Weldon
  • Shank Type
    Tu-Lip Straight
  • Shank Diameter
    0.313 in
  • Cutter Diameter
    12.7 mm
  • Outside Diameter
    .313 in
Counterbore; Body Length=31.8 mm | 1.250 in, Cutter Diameter=9.5 mm, Overall Length=165.1 mm | 6.500 in, Pilot Diameter=10.3 mm, Pilot Length=9.5 mm

TU-196040

Price Range
$46.08 - $46.08

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Cutter Diameter
    9.5 mm
  • Pilot Diameter
    10.3 mm
  • Overall Length
    6.500 in
Counterbore; Body Length=22.2 mm | 0.875 in, Cutter Diameter=#10, Overall Length=133.4 mm | 5.250 in, Pilot Diameter=5.2 mm, Pilot Length=6.4 mm

TU-195853

Price Range
$31.95 - $31.95

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Pilot Diameter
    5.2 mm
  • Overall Length
    5.250 in
  • Body Length
    0.875 in
Counterbore; Body Length=22.2 mm | 0.875 in, Cutter Diameter=#10, Overall Length=133.4 mm | 5.250 in, Pilot Diameter=5.6 mm, Pilot Length=6.4 mm

TU-196007

Price Range
$31.95 - $31.95

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Pilot Diameter
    5.6 mm
  • Overall Length
    5.250 in
  • Body Length
    0.875 in
Counterbore; Body Length=22.2 mm | 0.875 in, Cutter Diameter=#10, Overall Length=133.4 mm | 5.250 in, Pilot Diameter=4.8 mm, Pilot Length=6.4 mm

1120926

Price Range
$31.95 - $31.95

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Pilot Diameter
    4.8 mm
  • Overall Length
    5.250 in
  • Body Length
    0.875 in
Counterbore; Body Length=25.4 mm | 1.000 in, Cutter Diameter=7.9 mm, Overall Length=155.6 mm | 6.125 in, Pilot Diameter=8.3 mm, Pilot Length=8 mm

TU-195875

Price Range
$42.22 - $42.22

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Cutter Diameter
    7.9 mm
  • Pilot Diameter
    8.3 mm
  • Overall Length
    6.125 in
Counterbore; Body Length=19.1 mm | 0.750 in, Cutter Diameter=#8, Overall Length=127 mm | 5.000 in, Pilot Diameter=4.5 mm, Pilot Length=5.6 mm

1120924

Price Range
$31.29 - $31.29

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Pilot Diameter
    4.5 mm
  • Overall Length
    5.000 in
  • Body Length
    0.750 in
Counterbore; Body Length=38.1 mm | 1.500 in, Cutter Diameter=12.7 mm, Overall Length=190.5 mm | 7.500 in, Pilot Diameter=13.1 mm, Pilot Length=12.7 mm

1120942

Price Range
$64.82 - $64.82

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Cutter Diameter
    12.7 mm
  • Pilot Diameter
    13.1 mm
  • Overall Length
    7.500 in
Counterbore; Body Length=19.1 mm | 0.750 in, Cutter Diameter=#8, Overall Length=127 mm | 5.000 in, Pilot Diameter=5 mm, Pilot Length=5.6 mm

TU-195996

Price Range
$31.29 - $31.29

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Pilot Diameter
    5 mm
  • Overall Length
    5.000 in
  • Body Length
    0.750 in
Counterbore; Body Length=25.4 mm | 1.000 in, Cutter Diameter=6.4 mm, Overall Length=142.9 mm | 5.625 in, Pilot Diameter=7.1 mm, Pilot Length=7.1 mm

TU-196018

Price Range
$33.77 - $33.77

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Cutter Diameter
    6.4 mm
  • Pilot Diameter
    7.1 mm
  • Overall Length
    5.625 in
Counterbore; Body Length=19.1 mm | 0.750 in, Cutter Diameter=#6, Overall Length=117.5 mm | 4.625 in, Pilot Diameter=3.9 mm, Pilot Length=4.8 mm

1120921

Price Range
$29.18 - $29.18

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Pilot Diameter
    3.9 mm
  • Overall Length
    4.625 in
  • Body Length
    0.750 in
Counterbore; Body Length=31.8 mm | 1.250 in, Cutter Diameter=9.5 mm, Overall Length=165.1 mm | 6.500 in, Pilot Diameter=9.9 mm, Pilot Length=9.5 mm

1120936

Price Range
$46.08 - $46.08

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Cutter Diameter
    9.5 mm
  • Pilot Diameter
    9.9 mm
  • Overall Length
    6.500 in
Counterbore; Body Length=14.3 mm | .563 in, Cutter Diameter=#4, Overall Length=98.4 mm | 3.875 in, Pilot Diameter=3.2 mm, Pilot Length=3.2 mm

TU-195809

Price Range
$27.62 - $27.62

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Pilot Diameter
    3.2 mm
  • Overall Length
    3.875 in
  • Body Length
    .563 in
Counterbore; Body Length=25.4 mm | 1.000 in, Cutter Diameter=6.4 mm, Overall Length=142.9 mm | 5.625 in, Pilot Diameter=6.7 mm, Pilot Length=7.1 mm

TU-195864

Price Range
$33.77 - $33.77

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Cutter Diameter
    6.4 mm
  • Pilot Diameter
    6.7 mm
  • Overall Length
    5.625 in
Counterbore; Body Length=38.1 mm | 1.500 in, Cutter Diameter=12.7 mm, Overall Length=190.5 mm | 7.500 in, Pilot Diameter=13.5 mm, Pilot Length=12.7 mm

TU-196062

Price Range
$64.82 - $64.82

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Cutter Diameter
    12.7 mm
  • Pilot Diameter
    13.5 mm
  • Overall Length
    7.500 in
Counterbore; Body Length=25.4 mm | 1.000 in, Cutter Diameter=7.9 mm, Overall Length=155.6 mm | 6.125 in, Pilot Diameter=8.7 mm, Pilot Length=8 mm

1120934

Price Range
$42.22 - $42.22

Stock Levels
Click here for lead time.
Attributes
  • Brand
    Reid Select
  • Shank Type
    Straight
  • Cutter Diameter
    7.9 mm
  • Pilot Diameter
    8.7 mm
  • Overall Length
    6.125 in