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Counterbores - Mega Sale! Save up to 23%


Mega Sale! Up to 23% off on Counterbores at Steel City Robotics. Top brands include Super Tool, Drill America, Counterbores - Solid, Made in USA, Meda - Superior Import, F&D Tool Company, Counterbores - Int Pilot, Union Butterfield, Alvord Polk, Hermann Bilz GmbH, Value Collection, & Dormer. Hurry! Limited time offers. Offers valid only while supplies last.



19/32'' Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4'' Shank Diameter, 3 Flutes, 2 3/4'' OAL, (.5938'' Diameter), 52219, USA Made
19/32" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4" Shank Diameter, 3 Flutes, 2 3/4" OAL, (.5938" Diameter), 52219, USA Made
By Super Tool
In Stock
$66.55

mpn: 52219,

4.9 out of 5 stars with 38 reviews
19/32" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4" Shank Diameter, 3 Flutes, 2 3/4" OAL, (.5938" Diameter), 52219, USA MadeFor counterboring and spotfacing in applications where machine requires a smaller shank. 1/64" Corn...


Drill America DEWCBRSOL4 DEWCBR Series Qualtech High-Speed Steel Machine Screw Solid Counterbore, 0.111'' Pilot, 2-5/8'' Length, 4 Screw
Drill America DEWCBRSOL4 DEWCBR Series Qualtech High-Speed Steel Machine Screw Solid Counterbore, 0.111" Pilot, 2-5/8" Length, 4 Screw
By Drill America
In Stock
$12.70
$10.80
You Save: 15%

mpn: DEWCBRSOL4, ean: 0887861129671,

4.2 out of 5 stars with 150 reviews
Drill America qualtech decor series aircraft counter bore. Counter boring is the enlargement of a portion of a hole that has previously been formed. If the counter bored portion is shallow (1/inches or less), the operation is usually known as spot-fa...


6mm Metric Capscrew Counterbore, High Speed Steel
6mm Metric Capscrew Counterbore, High Speed Steel
By Counterbores - Solid
In Stock
$16.00

mpn: CBCS-M6,

4.5 out of 5 stars with 47 reviews
For Metric Socket Head Cap Screws. Usually has 3 flutes, but may have 4 flutes .Screw Size: 6mm. Pilot Diameter: 6.6mm. Cutter Diameter: 11mm. Shank Diameter: 0.4371. High speed steel, for metric socket cap screws.. ...


5/8'' Head Diam, 5/16'' Shank Diam, Counterbore Pilot pack of 3
5/8" Head Diam, 5/16" Shank Diam, Counterbore Pilot pack of 3
By Made in USA
In Stock
$151.73

mpn: NA, ean: 7440006069091,

4.6 out of 5 stars with 27 reviews
Specification:Head Diameter (Inch): 5/8Shank Diameter (Inch): 5/16Finish/Coating: BrightAircraft-Style: NoPilot Material: Carbon SteelHead Diameter (Inch): 5/8. Shank Diameter (Inch): 5/16. Finish/Coating: Bright. Aircraft-Style: No. Pilot Material: ...


25/64'' Interchangeable Pilot Counterbore
25/64" Interchangeable Pilot Counterbore
By Meda - Superior Import
In Stock
$26.95

mpn: 17751847493,

4.1 out of 5 stars with 47 reviews
Overall Length - 4 1/16", Shank Diameter - 3/8" x 3 1/16", Pilot Hole Diameter - 5/32". Used in spot facing and counterboring operations. . These counterbores can be used with a wide variety of pilots. The shank diameter of the pilots ordered must be...


Drill America DEWA/CCBR1/2 DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4'' Shank Diameter, 1/8'' Pilot, 2-13/16'' Length, 1/2'' Size
Drill America DEWA/CCBR1/2 DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4" Shank Diameter, 1/8" Pilot, 2-13/16" Length, 1/2" Size
By Drill America
In Stock
$29.22
$22.82
You Save: 22%

mpn: DEWA/CCBR1/2, ean: 0887861128711,

4.6 out of 5 stars with 142 reviews
Drill America qualtech decor series aircraft counter bore. Counter boring is the enlargement of a portion of a hole that has previously been formed. If the counter bored portion is shallow (1/inches or less), the operation is usually known as spot-fa...


F&D Tool Company 26963 Short Set Counter Bores, Straight Shank, 9 7/8'' Overall Length, 5 Number of Flutes, 1/2'' Hole Diameter, 9/16''-2 5/16'' Range of Pilot Size, 1 3/4'' Shank Diameter, 7 3/8'' Shank Length
F&D Tool Company 26963 Short Set Counter Bores, Straight Shank, 9 7/8" Overall Length, 5 Number of Flutes, 1/2" Hole Diameter, 9/16"-2 5/16" Range of Pilot Size, 1 3/4" Shank Diameter, 7 3/8" Shank Length
By F&D Tool Company
In Stock
$563.52

mpn: 26963,

4.1 out of 5 stars with 137 reviews
You can depend on the ruggedness and durability of these tools, as the counterbore-cutter and shank are integral with the cutting edges strong backed up.Short Set Counterbores - Straight Shank. Straight Shank - Diameter: 2 3/8 - OAL: 9 7/8 - # o...


3/8'' Straight Shank Counterbore, Interchangeable Pilot Type, High Speed Steel
3/8" Straight Shank Counterbore, Interchangeable Pilot Type, High Speed Steel
By Counterbores - Int Pilot
In Stock
$18.25

mpn: CBSS-3/8,

4.4 out of 5 stars with 18 reviews
High Speed Steel. Interchangeable Pilot Type Straight Shank Counterbore. PLEASE NOTE: The photograph shows a Straight Shank Interchangeable Pilot Counterbore, but not necessarily this specific diameter or shank.Diameter: 3/8". Length: 4-1/16". Shank ...


Union Butterfield 4706 High-Speed Steel Counterbore, Interchangeable Pilot, Uncoated (Bright) Finish, 0.09375'' Pilot Diameter, 5/16'' Body Diameter
Union Butterfield 4706 High-Speed Steel Counterbore, Interchangeable Pilot, Uncoated (Bright) Finish, 0.09375" Pilot Diameter, 5/16" Body Diameter
By Union Butterfield
In Stock
$69.50
$53.63
You Save: 23%

mpn: 47065/16, ean: 0698464077708,

4.2 out of 5 stars with 59 reviews
Interchangeable pilot typeHigh-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Uncoated tools feature just the base substrate without any additional treatment or...


Alvord Polk 401 High-Speed Steel Counterbore, Built-In Pilot, Uncoated (Bright) Finish, 8mm Size
Alvord Polk 401 High-Speed Steel Counterbore, Built-In Pilot, Uncoated (Bright) Finish, 8mm Size
By Alvord Polk
In Stock
$35.50

mpn: 3084, ean: 0662783030843,

4.7 out of 5 stars with 54 reviews
Counterbores are cutting tools that have a pilot to guide them into a previously drilled hole. They are used to form a recess or pocket for a socket head capscrew. These tools are of a solid high speed steel construction. High speed steel is a common...


Hermann Bilz GmbH - Reverse Counterbore 4FL HSS D=67.0 x 28/38
Hermann Bilz GmbH - Reverse Counterbore 4FL HSS D=67.0 x 28/38
By Hermann Bilz GmbH
In Stock
$693.06

mpn: TU6702801,

4.2 out of 5 stars with 69 reviews
H. Bilz TU Reverse Counterboring Head, HSSØ67 mm counterbore. High Speed Steel. ...


3/4'' Interchangeable Pilot Counterbore
3/4" Interchangeable Pilot Counterbore
By Meda - Superior Import
In Stock
$35.80

mpn: 17752077494,

4.8 out of 5 stars with 94 reviews
Overall Length - 5 3/8", Shank Diameter - 1/2" x 3 7/8", Pilot Hole Diameter - 1/4". Used in spot facing and counterboring operations. . These counterbores can be used with a wide variety of pilots. The shank diameter of the pilots ordered must be th...


15/64'' Diam, 15/64'' Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore pack of 2
15/64" Diam, 15/64" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore pack of 2
By Value Collection
In Stock
$265.98

mpn: NA, ean: 7440009849805,

4.8 out of 5 stars with 10 reviews
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys. Specification:Counterbore Diameter (Inch): 15/64Pilot Shank Diameter Compatibility (Inch): 3/32Shank Diameter (Inch): 15/64Counter...


1/2'' Diam, 7/16'' Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore pack of 3
1/2" Diam, 7/16" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore pack of 3
By Value Collection
In Stock
$244.40

mpn: NA, ean: 7440008121148,

4.7 out of 5 stars with 117 reviews
High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials. Specification:Counterbore Diameter (Inch): 1/2Pilot Shank Diameter Compatibility (Inch): 3/16Shank Diameter...


1-3/4'' Diam, 5 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore pack of 2
1-3/4" Diam, 5 Flutes, Morse Taper Shank, Interchangeable Pilot Counterbore pack of 2
By Value Collection
In Stock
$887.04

mpn: NA, ean: 7440011765797,

4.7 out of 5 stars with 14 reviews
High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials. Specification:Counterbore Diameter (Inch): 1-3/4Pilot Shank Diameter Compatibility (Inch): 7/16Counterbore ...


Hermann Bilz GmbH - Reverse Counterbore 4FL HSS D=76.0 x 30/50
Hermann Bilz GmbH - Reverse Counterbore 4FL HSS D=76.0 x 30/50
By Hermann Bilz GmbH
In Stock
$861.95

mpn: TU7603001,

4.6 out of 5 stars with 40 reviews
H. Bilz TU Reverse Counterboring Head, HSSØ76 mm counterbore. High Speed Steel. ...


Drill America DEWCBRSOL2 DEWCBR Series Qualtech High-Speed Steel Machine Screw Solid Counterbore, 0.085'' Pilot, 2-1/2'' Length, 2 Screw
Drill America DEWCBRSOL2 DEWCBR Series Qualtech High-Speed Steel Machine Screw Solid Counterbore, 0.085" Pilot, 2-1/2" Length, 2 Screw
By Drill America
In Stock
$12.93
$10.35
You Save: 20%

mpn: DEWCBRSOL2, ean: 0887861129657,

4.0 out of 5 stars with 65 reviews
Drill America qualtech decor series aircraft counter bore. Counter boring is the enlargement of a portion of a hole that has previously been formed. If the counter bored portion is shallow (1/inches or less), the operation is usually known as spot-fa...


Dormer G12511.0X5.0 Counterbore, M 6 t, Bright Coating, High Speed Steel, 11 mm Head Diameter, 18 mm Flute Length, 80 mm Full Length
Dormer G12511.0X5.0 Counterbore, M 6 t, Bright Coating, High Speed Steel, 11 mm Head Diameter, 18 mm Flute Length, 80 mm Full Length
By Dormer
In Stock
$33.80

mpn: G12511.0X5.0, ean: 7320760107638,

4.3 out of 5 stars with 117 reviews
Counterbore has bright coating and right cutting direction. It comes with high speed steel (HSS) material and straight Countersink shank.Bright coating. Right direction. Din 373 Countersink standard. High speed steel material. ...


Hermann Bilz GmbH - Reverse Counterbore 4FL HSS D=70.0 x 28/38
Hermann Bilz GmbH - Reverse Counterbore 4FL HSS D=70.0 x 28/38
By Hermann Bilz GmbH
In Stock
$720.36

mpn: TU7002801,

4.3 out of 5 stars with 95 reviews
H. Bilz TU Reverse Counterboring Head, HSSØ70 mm counterbore. High Speed Steel. ...


59/64'' Diam, 3/4'' Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore pack of 2
59/64" Diam, 3/4" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore pack of 2
By Value Collection
In Stock
$409.20

mpn: NA, ean: 7440010544591,

4.2 out of 5 stars with 12 reviews
High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials. Specification:Counterbore Diameter (Inch): 59/64Pilot Shank Diameter Compatibility (Inch): 1/4Shank Diamete...



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