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Countersinks - Blowout Sale! Save up to 57%


Blowout Sale! Up to 57% off on Countersinks at In The National Interest. Top brands include KEO, Dormer, Made in USA, & KEO Cutters. Hurry! Limited time offers. Offers valid only while supplies last.



KEO 10021 Plain Center Drill, 0.125'' Cutting Diameter, 60 Degree Cutting Angle, 1.25'' Cutting Length, 1.25'' Length, Cobalt, Uncoated Coating, 3-0 (Pack of 12)
KEO 10021 Plain Center Drill, 0.125" Cutting Diameter, 60 Degree Cutting Angle, 1.25" Cutting Length, 1.25" Length, Cobalt, Uncoated Coating, 3-0 (Pack of 12)
By KEO
In Stock
$849.44
$769.54
You Save: 9%

mpn: 10021,

4.7 out of 5 stars with 10 reviews
KEO plain type combined drill and countersinks are used for producing center holes in components or workpieces which require machining between centers.Package of 12. KEO plain type combined drill and countersinks are used for producing center holes i...


KEO 10415 Plain Center Drill, 0.3125'' Cutting Diameter, 60 Degree Cutting Angle, 2.125'' Cutting Length, 2.125'' Length, Cobalt, Uncoated Coating, 4 (Pack of 12)
KEO 10415 Plain Center Drill, 0.3125" Cutting Diameter, 60 Degree Cutting Angle, 2.125" Cutting Length, 2.125" Length, Cobalt, Uncoated Coating, 4 (Pack of 12)
By KEO
In Stock
$519.58
$440.06
You Save: 15%

mpn: 10415,

4.2 out of 5 stars with 58 reviews
KEO plain type combined drill and countersinks are used for producing center holes in components or workpieces which require machining between centers.Package of 12. KEO plain type combined drill and countersinks are used for producing center holes i...


KEO 55510-TiN CO 6FLT Countersink, 0.875'' Cutting Diameter, 60 Degree Cutting Angle, 2.75'' Cutting Length, 1/2'' Shank Diameter, 2.75'' Length, Cobalt, TiN Coating, 7/8'' (Pack of 3)
KEO 55510-TiN CO 6FLT Countersink, 0.875" Cutting Diameter, 60 Degree Cutting Angle, 2.75" Cutting Length, 1/2" Shank Diameter, 2.75" Length, Cobalt, TiN Coating, 7/8" (Pack of 3)
By KEO
In Stock
$564.13
$308.91
You Save: 45%

mpn: 55510-TiN,

4.9 out of 5 stars with 37 reviews
KEO 6-flute line of countersinks are companions to our single flute countersinks and our 3- and 4-flute center reamer line.Package of 3. KEO 6-flute line of countersinks are companions to our single flute countersinks and our 3- and 4-flute center re...


KEO 10040 Plain Center Drill, 0.125'' Cutting Diameter, 82 Degree Cutting Angle, 1.25'' Cutting Length, 1.25'' Length, HSS, Uncoated Coating, 3-0 (Pack of 12)
KEO 10040 Plain Center Drill, 0.125" Cutting Diameter, 82 Degree Cutting Angle, 1.25" Cutting Length, 1.25" Length, HSS, Uncoated Coating, 3-0 (Pack of 12)
By KEO
In Stock
$514.63
$414.03
You Save: 20%

mpn: 10040,

4.7 out of 5 stars with 46 reviews
KEO plain type combined drill and countersinks are used for producing center holes in components or workpieces which require machining between centers.Package of 12. KEO plain type combined drill and countersinks are used for producing center holes i...


KEO 23030 #3x3 RH Combined Drill and Countersink, 0.1875'' Cutting Diameter, 60 Degree Cutting Angle, 6'' Cutting Length, 6'' Length, HSS, Uncoated, Long Series (Pack of 12)
KEO 23030 #3x3 RH Combined Drill and Countersink, 0.1875" Cutting Diameter, 60 Degree Cutting Angle, 6" Cutting Length, 6" Length, HSS, Uncoated, Long Series (Pack of 12)
By KEO
In Stock
$695.66
$305.74
You Save: 56%

mpn: 23030,

4.3 out of 5 stars with 45 reviews
KEO long series combined drill and countersinks are used for producing center holes in components or work pieces with the extra length allowing access to difficult-to-reach areas.Package of 12. KEO long series combined drill and countersinks are used...


KEO 24560 #4-1/2x6 RH Combined Drill and Countersink, 0.375'' Cutting Diameter, 60 Degree Cutting Angle, 6'' Cutting Length, 6'' Length, HSS, Uncoated, Long Series (Pack of 12)
KEO 24560 #4-1/2x6 RH Combined Drill and Countersink, 0.375" Cutting Diameter, 60 Degree Cutting Angle, 6" Cutting Length, 6" Length, HSS, Uncoated, Long Series (Pack of 12)
By KEO
In Stock
$576.18

mpn: 24560,

KEO long Series combined drill and countersinks are used for producing center holes in components or work pieces with the extra Length allowing access to difficult-to-reach areas.Package of 12. KEO long series combined drill and countersinks are used...


KEO 11082-TiN #10 RH Combined Drill and Countersink, 1'' Cutting Diameter, 82 Degree Cutting Angle, 3.75'' Cutting Length, 3.75'' Length, HSS, Uncoated, Plain (Pack of 3)
KEO 11082-TiN #10 RH Combined Drill and Countersink, 1" Cutting Diameter, 82 Degree Cutting Angle, 3.75" Cutting Length, 3.75" Length, HSS, Uncoated, Plain (Pack of 3)
By KEO
In Stock
$534.28

mpn: 11082-TiN,

KEO plain Type combined drill and countersinks are used for producing center holes in components or work pieces which require machining between centers.Package of 3. KEO plain type combined drill and countersinks are used for producing center holes i...


KEO 10342 #3 RH Combined Drill and Countersink, 0.25'' Cutting Diameter, 82 Degree Cutting Angle, 2'' Cutting Length, 2'' Length, HSS, Uncoated, Plain (Pack of 12)
KEO 10342 #3 RH Combined Drill and Countersink, 0.25" Cutting Diameter, 82 Degree Cutting Angle, 2" Cutting Length, 2" Length, HSS, Uncoated, Plain (Pack of 12)
By KEO
In Stock
$686.97
$296.06
You Save: 57%

mpn: 10342,

4.5 out of 5 stars with 40 reviews
KEO plain Type combined drill and countersinks are used for producing center holes in components or work pieces which require machining between centers.Package of 12. KEO plain type combined drill and countersinks are used for producing center holes ...


KEO 10690 #6 RH Combined Drill and Countersink, 0.5'' Cutting Diameter, 82 Degree Cutting Angle, 3'' Cutting Length, 3'' Length, HSS, Uncoated, Plain (Pack of 12)
KEO 10690 #6 RH Combined Drill and Countersink, 0.5" Cutting Diameter, 82 Degree Cutting Angle, 3" Cutting Length, 3" Length, HSS, Uncoated, Plain (Pack of 12)
By KEO
In Stock
$889.70
$497.43
You Save: 44%

mpn: 10690,

4.3 out of 5 stars with 11 reviews
KEO plain type combined drill and countersinks are used for producing center holes in components or work pieces which require machining between centers.Package of 12. KEO plain type combined drill and countersinks are used for producing center holes ...


KEO 10982-TiN #9 RH Combined Drill and Countersink, 0.875'' Cutting Diameter, 60 Degree Cutting Angle, 3.625'' Cutting Length, 3.625'' Length, Cobalt, Uncoated, Plain (Pack of 3)
KEO 10982-TiN #9 RH Combined Drill and Countersink, 0.875" Cutting Diameter, 60 Degree Cutting Angle, 3.625" Cutting Length, 3.625" Length, Cobalt, Uncoated, Plain (Pack of 3)
By KEO
In Stock
$521.80
$382.85
You Save: 27%

mpn: 10982-TiN,

4.7 out of 5 stars with 37 reviews
KEO plain type combined drill and countersinks are used for producing center holes in components or work pieces which require machining between centers.Package of 3. KEO plain type combined drill and countersinks are used for producing center holes i...


KEO 10019 #4-0 RH Combined Drill and Countersink, 0.125'' Cutting Diameter, 90 Degree Cutting Angle, 1.25'' Cutting Length, 1.25'' Length, HSS, TiN, Plain (Pack of 12)
KEO 10019 #4-0 RH Combined Drill and Countersink, 0.125" Cutting Diameter, 90 Degree Cutting Angle, 1.25" Cutting Length, 1.25" Length, HSS, TiN, Plain (Pack of 12)
By KEO
In Stock
$552.84

mpn: 10019,

KEO plain type combined drill and countersinks are used for producing center holes in components or work pieces which require machining between centers.Package of 12. KEO plain type combined drill and countersinks are used for producing center holes ...


KEO 10382-TiN #3 RH Combined Drill and Countersink, 0.25'' Cutting Diameter, 82 Degree Cutting Angle, 2'' Cutting Length, 2'' Length, HSS, TiN, Plain (Pack of 12)
KEO 10382-TiN #3 RH Combined Drill and Countersink, 0.25" Cutting Diameter, 82 Degree Cutting Angle, 2" Cutting Length, 2" Length, HSS, TiN, Plain (Pack of 12)
By KEO
In Stock
$569.62
$250.44
You Save: 56%

mpn: 10382-TiN,

4.8 out of 5 stars with 56 reviews
KEO plain Type combined drill and countersinks are used for producing center holes in components or work pieces which require machining between centers.Package of 12. KEO plain type combined drill and countersinks are used for producing center holes ...


KEO 22060 #2x6 RH Combined Drill and Countersink, 0.1875'' Cutting Diameter, 60 Degree Cutting Angle, 6'' Cutting Length, 6'' Length, Cobalt, Uncoated, Long Series (Pack of 12)
KEO 22060 #2x6 RH Combined Drill and Countersink, 0.1875" Cutting Diameter, 60 Degree Cutting Angle, 6" Cutting Length, 6" Length, Cobalt, Uncoated, Long Series (Pack of 12)
By KEO
In Stock
$810.30
$551.58
You Save: 32%

mpn: 22060,

4.8 out of 5 stars with 43 reviews
KEO long series combined drill and countersinks are used for producing center holes in components or work pieces with the extra length allowing access to difficult-to-reach areas.Package of 12. KEO long series combined drill and countersinks are used...


KEO 10721 SE #7 Hey RH Combined Drill and Countersink, 0.625'' Cutting Diameter, 60 Degree Cutting Angle, 2.75'' Cutting Length, 2.75'' Length, HSS, TiN, Plain (Pack of 12)
KEO 10721 SE #7 Hey RH Combined Drill and Countersink, 0.625" Cutting Diameter, 60 Degree Cutting Angle, 2.75" Cutting Length, 2.75" Length, HSS, TiN, Plain (Pack of 12)
By KEO
In Stock
$704.70
$567.48
You Save: 19%

mpn: 10721,

4.9 out of 5 stars with 9 reviews
KEO plain-hey type combined drill and countersinks are designed for use with inserts for producing center holes in components as well as facing the surface of the work piece, thus combining two machining operations into one.Package of 12. Plain-Hey T...


KEO 10482-TiN #4 RH Combined Drill and Countersink, 0.3125'' Cutting Diameter, 90 Degree Cutting Angle, 2.125'' Cutting Length, 2.125'' Length, HSS, Uncoated, Plain (Pack of 12)
KEO 10482-TiN #4 RH Combined Drill and Countersink, 0.3125" Cutting Diameter, 90 Degree Cutting Angle, 2.125" Cutting Length, 2.125" Length, HSS, Uncoated, Plain (Pack of 12)
By KEO
In Stock
$609.46
$287.54
You Save: 53%

mpn: 10482-TiN,

4.4 out of 5 stars with 38 reviews
KEO plain Type combined drill and countersinks are used for producing center holes in components or work pieces which require machining between centers.Package of 12. KEO plain type combined drill and countersinks are used for producing center holes ...


KEO 25040-TiN #5x4 RH Combined Drill and Countersink, 0.4375'' Cutting Diameter, 60 Degree Cutting Angle, 4'' Cutting Length, 4'' Length, Cobalt, Uncoated, Long Series (Pack of 12)
KEO 25040-TiN #5x4 RH Combined Drill and Countersink, 0.4375" Cutting Diameter, 60 Degree Cutting Angle, 4" Cutting Length, 4" Length, Cobalt, Uncoated, Long Series (Pack of 12)
By KEO
In Stock
$856.57
$597.31
You Save: 30%

mpn: 25040-TiN,

4.7 out of 5 stars with 43 reviews
KEO long Series combined drill and countersinks are used for producing center holes in components or work pieces with the extra Length allowing access to difficult-to-reach areas.Package of 12. KEO long series combined drill and countersinks are used...


Dormer G137 Series High-Speed Steel Single-End Countersink, Uncoated (Bright) Finish, 3 Flutes, 60 Degrees, Morse Taper Shank, MT3, 50 mm Body Dia.
Dormer G137 Series High-Speed Steel Single-End Countersink, Uncoated (Bright) Finish, 3 Flutes, 60 Degrees, Morse Taper Shank, MT3, 50 mm Body Dia.
In Stock
$536.99

mpn: G13750.0, ean: 7320760108819,

The Dormer G137 series high-speed steel single-end countersink with an uncoated (bright) finish creates a 60-degree conical opening that can be used for holding material between machine centers. The three flutes clear chips away to prevent clogging. ...


Made in USA - 1 Inch Body Diameter, 120¡ã; Point Angle, Solid Carbide, 4 Inch Overall Length, Spotting Drill 984641
Made in USA - 1 Inch Body Diameter, 120¡ã; Point Angle, Solid Carbide, 4 Inch Overall Length, Spotting Drill 984641
In Stock
$790.06

mpn: '00984641, ean: 0653958130734,

Body Diameter (Inch) 1. Body Diameter (Decimal Inch) 1.0000. Drill Point Angle 120. Spotting Drill Material Solid Carbide. Spotting Drill Finish/Coating Bright. Overall Length (Inch) 4. Number of Flutes 2. Cutting Direction Right Hand. Tool Applicati...


KEO #10 Combined Drill & Countersink - Plain CO RH 60 deg Plain
KEO #10 Combined Drill & Countersink - Plain CO RH 60 deg Plain
In Stock
$256.67

mpn: 11042,

KEO plain type combined drill and countersinks are used for producing center holes in components or workpieces which require machining between centers....



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