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Counterbores - 35 - Page 3 - Mega Sale! Save up to 23%


Mega Sale! Up to 23% off on Counterbores at In The National Interest, Page 3. Top brands include Drill America, Super Tool, All Industrial, Counterbores - Int Pilot, Dormer, Made in USA, KEO Cutters, Accusize Industrial Tools, Union Butterfield, Alvord Polk, HHIP, & Counterbores - Solid. Hurry! Limited time offers. Offers valid only while supplies last.



Drill America DEWA/CCBR1/4 DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4'' Shank Diameter, 3/32'' Pilot, 2-3/8'' Length, 1/4'' Size
Drill America DEWA/CCBR1/4 DEWCBR Series Qualtech High-Speed Steel Aircraft Counterbore, 1/4" Shank Diameter, 3/32" Pilot, 2-3/8" Length, 1/4" Size
By Drill America
In Stock
$22.52
$19.84
You Save: 12%

mpn: DEWA/CCBR1/4, ean: 0887861128636,

4.1 out of 5 stars with 267 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...


1 9/16'' Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/2'' Shank Diameter, 3 Flutes, 3 1/16'' OAL, (1.5625'' Diameter, 1-9/16), 52250, USA Made
1 9/16" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/2" Shank Diameter, 3 Flutes, 3 1/16" OAL, (1.5625" Diameter, 1-9/16), 52250, USA Made
By Super Tool
In Stock
$149.10

mpn: 52250,

4.4 out of 5 stars with 127 reviews
1 9/16" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/2" Shank Diameter, 3 Flutes, 3 1/16" OAL, (1.5625" Diameter, 1-9/16), 52250, USA MadeFor counterboring and spotfacing in applications where machine requires a smaller shank....


21 Pc. Counterbore Set 5/16'' - 5/8'' Interchangeable Pilots 3/8'' Shank HSS
21 Pc. Counterbore Set 5/16" - 5/8" Interchangeable Pilots 3/8" Shank HSS
By All Industrial
In Stock
$69.95

mpn: ALL-10500, ean: 0647829665043,

4.1 out of 5 stars with 115 reviews
Supplied in fitted case.Our Part # ALL-10500. Set includes 6 counterbores: 5/16", 3/8", 7/16", 1/2", 9/16" & 3/4" diameters. Set includes 14 pilots: .1870", .2040", .2130", .2290", 1/4", 17/64", 9/32", 5/16", 21/64", 11/32", 3/8", 25/64", 13/32" & 7/...


1/2'' Straight Shank Counterbore, Interchangeable Pilot Type, High Speed Steel
1/2" Straight Shank Counterbore, Interchangeable Pilot Type, High Speed Steel
By Counterbores - Int Pilot
In Stock
$19.60

mpn: CBSS-1/2,

4.3 out of 5 stars with 49 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: 1/2". Length: 4-5/16". Shank ...


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,

4.6 out of 5 stars with 272 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. ...


7/16'' Diam, 3/8'' Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore pack of 2
7/16" Diam, 3/8" Shank, Diam, 3 Flutes, Straight Shank, Interchangeable Pilot Counterbore pack of 2
By Made in USA
In Stock
$571.69

mpn: NA, ean: 7440011011092,

4.7 out of 5 stars with 193 reviews
Carbide tips cuts faster than high speed steel. It is commonly used on ferrous and nonferrous materials including cast iron, steel and steel alloys. Specification:Counterbore Diameter (Inch): 7/16Pilot Shank Diameter Compatibility (Inch): 5/32Shank D...


5mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore pack of 3
5mm Socket Head Cap Screw Compatible, Cobalt, Solid Pilot Counterbore pack of 3
By KEO Cutters
In Stock
$381.68

mpn: NA, ean: 7440009240268,

4.3 out of 5 stars with 156 reviews
Cobalt is harder than high speed steel and provides better wear resistance. It is commonly used on high tensile alloys. Bright provides a smooth, polished finish on the tool. It increases chip flow in softer materials such as aluminum, wood and plast...


9/16'' Head Diam, 1/4'' Shank Diam, Counterbore Pilot pack of 3
9/16" Head Diam, 1/4" Shank Diam, Counterbore Pilot pack of 3
By Made in USA
In Stock
$205.79

mpn: NA, ean: 7440007264280,

4.2 out of 5 stars with 283 reviews
Specification:Head Diameter (Inch): 9/16Shank Diameter (Inch): 1/4Finish/Coating: BrightAircraft-Style: NoPilot Material: Carbon SteelHead Diameter (Inch): 9/16. Shank Diameter (Inch): 1/4. Finish/Coating: Bright. Aircraft-Style: No. Pilot Material: ...


31/32'' Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4'' Shank Diameter, 3 Flutes, 2 3/4'' OAL, (.9688'' Diameter), 52231, USA Made
31/32" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4" Shank Diameter, 3 Flutes, 2 3/4" OAL, (.9688" Diameter), 52231, USA Made
By Super Tool
In Stock
$86.65

mpn: 52231,

4.8 out of 5 stars with 205 reviews
31/32" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 1/4" Shank Diameter, 3 Flutes, 2 3/4" OAL, (.9688" Diameter), 52231, USA MadeFor counterboring and spotfacing in applications where machine requires a smaller shank. 1/64" Corn...


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 74 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...


AccusizeTools - 21 Piece High Speed Steel Interchangeable Pilot Counterbore Set, 3620-0121
AccusizeTools - 21 Piece High Speed Steel Interchangeable Pilot Counterbore Set, 3620-0121
By Accusize Industrial Tools
In Stock
$102.40

mpn: 3620-0121, ean: 0637665772616,

4.4 out of 5 stars with 253 reviews


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,

4.6 out of 5 stars with 229 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...


1 1/8'' Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 3/8'' Shank Diameter, 3 Flutes, 2 3/4'' OAL, (1.125'' Diameter, 1-1/8), 52236, USA Made
1 1/8" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 3/8" Shank Diameter, 3 Flutes, 2 3/4" OAL, (1.125" Diameter, 1-1/8), 52236, USA Made
By Super Tool
In Stock
$118.35

mpn: 52236,

4.3 out of 5 stars with 59 reviews
1 1/8" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 3/8" Shank Diameter, 3 Flutes, 2 3/4" OAL, (1.125" Diameter, 1-1/8), 52236, USA MadeFor counterboring and spotfacing in applications where machine requires a smaller shank. 1/6...


Alvord Polk 500 High-Speed Steel Counterbore, Built-In Pilot, Uncoated (Bright) Finish, 8-32 (On Size) Size
Alvord Polk 500 High-Speed Steel Counterbore, Built-In Pilot, Uncoated (Bright) Finish, 8-32 (On Size) Size
By Alvord Polk
In Stock
$24.80

mpn: 3009, ean: 0662783030096,

4.6 out of 5 stars with 267 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...


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,

4.1 out of 5 stars with 241 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...


HHIP 2007-0066 High-Speed Steel 3 Flute Straight Shank Solid Pilot Counterbore, M12 x 13.5mm
HHIP 2007-0066 High-Speed Steel 3 Flute Straight Shank Solid Pilot Counterbore, M12 x 13.5mm
By HHIP
In Stock
$18.14

mpn: 2007-0066, ean: 0769053091150,

4.8 out of 5 stars with 241 reviews
HHIP 3 Flute straight shank solid pilot counter bore is made of high speed steel. Cap screw is M12. Cutter diameter is 20.0mm. Shank diameter is 12.5mm. Overall length is 100mm. Pilot diameter is 13.5mm. Continuous pilot counter bores cut rapidly, sm...


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,

4.7 out of 5 stars with 176 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...


HHIP 2007-0057 High-Speed Steel 3 Flute Straight Shank Solid Pilot Counterbore, M5 x 5.5mm
HHIP 2007-0057 High-Speed Steel 3 Flute Straight Shank Solid Pilot Counterbore, M5 x 5.5mm
By HHIP
In Stock
$11.13

mpn: 2007-0057, ean: 0769053091112,

4.8 out of 5 stars with 271 reviews
HHIP 3 Flute straight shank solid pilot counter bore is made of high speed steel. Cap screw is M5. Cutter diameter is 10.0mm. Shank diameter is 8.0mm. Overall length is 80mm. Pilot diameter is 5.5mm. Continuous pilot counter bores cut rapidly, smooth...


HHIP 2007-0016 1/4 x 9/32 HSS 3 Flute Solid Pilot Counterbore
HHIP 2007-0016 1/4 x 9/32 HSS 3 Flute Solid Pilot Counterbore
By HHIP
In Stock
$16.72

mpn: 2007-0016, ean: 0769053007113,

4.5 out of 5 stars with 154 reviews
Continuous pilot counterbores cut rapidly, smoothly and accurately, producing long spiraling chips rather than small metal particles The pilot extends the full Length of the flute portion of the tool As cutter flutes are Ground back due to wear, a ne...


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

mpn: CBCS-M6,

4.1 out of 5 stars with 169 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.. ...



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