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Countersinks - 36 - Blowout Sale! Save up to 56%


Blowout Sale! Up to 56% off on Countersinks at In The National Interest. Top brands include HHIP, KEO Cutters, LittleMachineShop.com, Drill America, & KEO. Hurry! Limited time offers. Offers valid only while supplies last.



HHIP 2001-0375 3/8 Inch Single Flute 82 Degree HSS Countersink
HHIP 2001-0375 3/8 Inch Single Flute 82 Degree HSS Countersink
By HHIP
In Stock
$7.60

mpn: 2001-0375, ean: 0769053005034,

For portable and machine work when operated at comparatively high speeds Single flutes will countersink holes much smaller than multi-flute tools.Diameter Body 3/8"; End 1/32". Diameter of Shank 1/4"; Length Approx. 2". For portable and machine work ...


KEO 51006 High-Speed Steel Single-End Countersink, Uncoated (Bright) Finish, 3 Flutes, 60 Degree Point Angle, Round Shank, 1/2'' Shank Diameter, 1'' Body Diameter
KEO 51006 High-Speed Steel Single-End Countersink, Uncoated (Bright) Finish, 3 Flutes, 60 Degree Point Angle, Round Shank, 1/2" Shank Diameter, 1" Body Diameter
In Stock
$38.00
$37.99

mpn: 51006,

KEO 3-flute center reamers are versatile tools designed for countersinking holes for centers or for enlarging existing holes. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for ...


Countersink Set, Single Flute 82 Degree, Set of 3
Countersink Set, Single Flute 82 Degree, Set of 3
In Stock
$16.95

mpn: 4539,

Use 82 degree countersinks for deburring and for flat head screws.High speed steel single flute countersinks. For steel, brass, and aluminum. 82 degree point angle. 1/4", 3/8", and 1/2" diameter countersinks. ...


Drill America DEWCHAT Series High-Speed Steel Chatterless Countersink, 6 Flute, 1/4'' Shank Diameter, 5/16'' Size, 100 Degrees Angle (Pack of 1)
Drill America DEWCHAT Series High-Speed Steel Chatterless Countersink, 6 Flute, 1/4" Shank Diameter, 5/16" Size, 100 Degrees Angle (Pack of 1)
In Stock
$14.77
$13.19
You Save: 11%

mpn: DEWCHAT5/16-100, ean: 0887861132022,

Drill America DEWCHAT Series 6 flute chatterless countersink is designed to provide more metal removal then the 1,2,3, and 4 flute countersinks. They are also more effective on harder materials. High-speed steel tools are good for most general purpos...


KEO 26040-TiN #6x4 RH Combined Drill and Countersink, 0.5'' Cutting Diameter, 60 Degree Cutting Angle, 4'' Cutting Length, 4'' Length, HSS, Uncoated, Long Series (Pack of 12)
KEO 26040-TiN #6x4 RH Combined Drill and Countersink, 0.5" Cutting Diameter, 60 Degree Cutting Angle, 4" Cutting Length, 4" Length, HSS, Uncoated, Long Series (Pack of 12)
By KEO
In Stock
$567.00

mpn: 26040-TiN,

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 27060-TiN #7x6 RH Combined Drill and Countersink, 0.625'' Cutting Diameter, 60 Degree Cutting Angle, 6'' Cutting Length, 6'' Length, HSS, TiN, Long Series (Pack of 4)
KEO 27060-TiN #7x6 RH Combined Drill and Countersink, 0.625" Cutting Diameter, 60 Degree Cutting Angle, 6" Cutting Length, 6" Length, HSS, TiN, Long Series (Pack of 4)
By KEO
In Stock
$558.40
$486.50
You Save: 13%

mpn: 27060-TiN,

4.3 out of 5 stars with 17 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 4. KEO long series combined drill and countersinks are used ...


KEO 22053 #2x5 RH Combined Drill and Countersink, 0.1875'' Cutting Diameter, 90 Degree Cutting Angle, 5'' Cutting Length, 5'' Length, HSS, Uncoated, Long Series (Pack of 12)
KEO 22053 #2x5 RH Combined Drill and Countersink, 0.1875" Cutting Diameter, 90 Degree Cutting Angle, 5" Cutting Length, 5" Length, HSS, Uncoated, Long Series (Pack of 12)
By KEO
In Stock
$632.13
$571.47
You Save: 10%

mpn: 22053,

4.1 out of 5 stars with 47 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 21060-TiN #1x6 RH Combined Drill and Countersink, 0.125'' Cutting Diameter, 60 Degree Cutting Angle, 6'' Cutting Length, 6'' Length, HSS, TiN, Long Series (Pack of 12)
KEO 21060-TiN #1x6 RH Combined Drill and Countersink, 0.125" Cutting Diameter, 60 Degree Cutting Angle, 6" Cutting Length, 6" Length, HSS, TiN, Long Series (Pack of 12)
By KEO
In Stock
$600.73

mpn: 21060-TiN,

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 24563 #4-1/2x6 RH Combined Drill and Countersink, 0.375'' Cutting Diameter, 82 Degree Cutting Angle, 6'' Cutting Length, 6'' Length, HSS, Uncoated, Long Series (Pack of 12)
KEO 24563 #4-1/2x6 RH Combined Drill and Countersink, 0.375" Cutting Diameter, 82 Degree Cutting Angle, 6" Cutting Length, 6" Length, HSS, Uncoated, Long Series (Pack of 12)
By KEO
In Stock
$942.08
$672.60
You Save: 29%

mpn: 24563,

4.8 out of 5 stars with 7 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 24550-TiN #4-1/2x5 RH Combined Drill and Countersink, 0.375'' Cutting Diameter, 60 Degree Cutting Angle, 5'' Cutting Length, 5'' Length, HSS, TiN, Long Series (Pack of 12)
KEO 24550-TiN #4-1/2x5 RH Combined Drill and Countersink, 0.375" Cutting Diameter, 60 Degree Cutting Angle, 5" Cutting Length, 5" Length, HSS, TiN, Long Series (Pack of 12)
By KEO
In Stock
$623.27

mpn: 24550-TiN,

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 25060-TiN #5x6 RH Combined Drill and Countersink, 0.4375'' Cutting Diameter, 60 Degree Cutting Angle, 6'' Cutting Length, 6'' Length, HSS, TiN, Long Series (Pack of 12)
KEO 25060-TiN #5x6 RH Combined Drill and Countersink, 0.4375" Cutting Diameter, 60 Degree Cutting Angle, 6" Cutting Length, 6" Length, HSS, TiN, Long Series (Pack of 12)
By KEO
In Stock
$727.47
$636.49
You Save: 13%

mpn: 25060-TiN,

4.2 out of 5 stars with 18 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 55597 Cobalt Steel Single-End Countersink, TiN Coated, 6 Flutes, 110 Degree Point Angle, Round Shank, 1'' Shank Diameter, 3'' Body Diameter
KEO 55597 Cobalt Steel Single-End Countersink, TiN Coated, 6 Flutes, 110 Degree Point Angle, Round Shank, 1" Shank Diameter, 3" Body Diameter
In Stock
$774.97

mpn: 55597-TiN,

KEO 6-flute line of countersinks are companions to our single flute countersinks and our 3- and 4-flute center reamer line. As a rule, the more edges per revolution, the greater amount of material that may be removed. We have designed the 6-flute too...


KEO 53020 High-Speed Steel Single-End Countersink Set, Uncoated (Bright) Finish, Single Flute, 100 Degree Angle, 1/4'' - 1'' Body Diameter
KEO 53020 High-Speed Steel Single-End Countersink Set, Uncoated (Bright) Finish, Single Flute, 100 Degree Angle, 1/4" - 1" Body Diameter
In Stock
$753.15

mpn: 53020,

Each 5-piece set includes one piece each of 1/4, 3/8, 1/2, 3/4, 1" body diameter with a particular included point angle. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear ...


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,

4.1 out of 5 stars with 14 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,

4.8 out of 5 stars with 55 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,

4.5 out of 5 stars with 10 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,

4.3 out of 5 stars with 57 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,

4.2 out of 5 stars with 14 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...



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