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  1. Home
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  3. Tools & Machining
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  5. Cutting Tools
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  7. Countersinks, Center Drills & Spotting Drills
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  9. Countersinks

Countersinks (3,500+ items)

Drill America 2"-90 HSS Single Flute Countersink DEWSFC2-90
Drill America

2"-90 HSS Single Flute Countersink

Zoro # G1745898
Mfr # DEWSFC2-90
product price:  $111.99
/ea
Keo 1/2 90 deg ZErO Flute CO Deburring Tool 919-000-223
Keo

1/2 90 deg ZErO Flute CO Deburring Tool

Zoro # G0649546
Mfr # 919-000-223
product price:  $30.75
/ea
Slugger By Fein Countersink, HSS, 1-1/2" dia., Single Ended 64298150820
Slugger By Fein

Countersink, HSS, 1-1/2" dia., Single Ended

Zoro # G0993120
Mfr # 64298150820
product price:  $89.15
/ea
Zoro Select CountersinkSet, 82, 7, HighSpeedSteel 21ML39
Zoro Select

CountersinkSet, 82, 7, HighSpeedSteel

Zoro # G5231466
Mfr # 21ML39
product price:  $65.59
/ea
Rocky Mountain Twist Countersink, 1/2 in, 100 , 1-1/4 in 954CO5-10
Rocky Mountain Twist

Countersink, 1/2 in, 100 , 1-1/4 in

Zoro # G1380454
Mfr # 954CO5-10
product price:  $22.99
/ea
Keo Countersink, 1 FL, 90 Deg, 1/2, HSS, Uncoated 919-000-075
Keo

Countersink, 1 FL, 90 Deg, 1/2, HSS, Uncoated

Zoro # G3312285
Mfr # 919-000-075
product price:  $19.49
/ea
Eazypower Countersink, 1/2" Body Dia. 30072
Eazypower

Countersink, 1/2" Body Dia.

Zoro # G5767155
Mfr # 30072
product price:  $6.25
/ea
Zoro Select Countersink, 3/4 in, 82 , 2-5/8 in 21ML09
Zoro Select

Countersink, 3/4 in, 82 , 2-5/8 in

Zoro # G5233952
Mfr # 21ML09
product price:  $12.79
/ea
Drill America 1"-82 HSS 6 Flute Chatterless Countersink DEWCHAT1-82
Drill America

1"-82 HSS 6 Flute Chatterless Countersink

Zoro # G1740754
Mfr # DEWCHAT1-82
product price:  $40.19
/ea
Keo 3/8 82 deg ZErO Flute CO Deburring Tool 919-000-205
Keo

3/8 82 deg ZErO Flute CO Deburring Tool

Zoro # G1320697
Mfr # 919-000-205
product price:  $26.35
/ea
Zoro Select Countersink, 6 FL, 82 Deg, 1/2, HSS, Even 21ML27
Zoro Select

Countersink, 6 FL, 82 Deg, 1/2, HSS, Even

Zoro # G5234083
Mfr # 21ML27
product price:  $8.89
/ea
Drill America 1/2"-82 HSS 4 Flute Machine Countersink DEWMSK1/2-82
Drill America

1/2"-82 HSS 4 Flute Machine Countersink

Zoro # G110548628
Mfr # DEWMSK1/2-82
product price:  $20.89
/ea
Keo 1/2 82 deg ZErO Flute CO Deburring Tool 919-000-206
Keo

1/2 82 deg ZErO Flute CO Deburring Tool

Zoro # G3080865
Mfr # 919-000-206
product price:  $30.45
/ea
Keo 1/2 82 deg ZErO Flute CO Deburring Tool 919-000-207
Keo

1/2 82 deg ZErO Flute CO Deburring Tool

Zoro # G2245415
Mfr # 919-000-207
product price:  $35.45
/ea
Zoro Select Countersink, 6 FL, 82 Deg, 1 1/4, HSS, Even 21ML38
Zoro Select

Countersink, 6 FL, 82 Deg, 1 1/4, HSS, Even

Zoro # G5268121
Mfr # 21ML38
product price:  $40.19
/ea
Zoro Select Countersink, 6 FL, 82 Deg, 7/8, HSS, Even 21ML36
Zoro Select

Countersink, 6 FL, 82 Deg, 7/8, HSS, Even

Zoro # G5234022
Mfr # 21ML36
product price:  $19.49
/ea
Keo Countersink, 1 FL, 82 Deg, 3/4, HSS, Uncoated 919-000-157
Keo

Countersink, 1 FL, 82 Deg, 3/4, HSS, Uncoated

Zoro # G0857053
Mfr # 919-000-157
product price:  $40.85
/ea
Neiko Countersink Drill Bit Set for Wood and Metal, 1/4'' Tri-Flat Shank, 5 Piece, M2 High Speed Steel 10218A
Neiko

Countersink Drill Bit Set for Wood and Metal, 1/4'' Tri-Flat Shank, 5 Piece, M2 High Speed Steel

Zoro # G121697216
Mfr # 10218A
product price:  $18.75
/ea
Richelieu (5-Piece) Steel and Titanium Nitride Countersink Set 589201
Richelieu

(5-Piece) Steel and Titanium Nitride Countersink Set

Zoro # G801974880
Mfr # 589201
product price:  $11.55
/ea
Zoro Select Countersink, 1 FL, 82 Deg, 3/8, HSS, Uncoated 21MK98
Zoro Select

Countersink, 1 FL, 82 Deg, 3/8, HSS, Uncoated

Zoro # G5233794
Mfr # 21MK98
product price:  $7.15
/ea
Hanson 1/2" High Speed Steel Countersink 12411
Hanson

1/2" High Speed Steel Countersink

Zoro # G502648523
Mfr # 12411
product price:  $19.99
/ea
Drill America 1-1/2"-82 HSS 4 Flute Machine Countersink DEWMSK1-1/2-82
Drill America

1-1/2"-82 HSS 4 Flute Machine Countersink

Zoro # G1740009
Mfr # DEWMSK1-1/2-82
product price:  $87.59
/ea
Zoro Select Countersink, 1 FL, 82 Deg, 1 In, HSS 21ML03
Zoro Select

Countersink, 1 FL, 82 Deg, 1 In, HSS

Zoro # G5233855
Mfr # 21ML03
product price:  $20.49
/ea
Zoro Select Countersink, 5/8 in, 82 , 2-1/4 in 21ML10
Zoro Select

Countersink, 5/8 in, 82 , 2-1/4 in

Zoro # G5233961
Mfr # 21ML10
product price:  $12.39
/ea
Drill America 12 Piece Drill/Tap/Countersink Bit Set, 1/4'' Quick Change Hex Shank TDC12-SET
Drill America

12 Piece Drill/Tap/Countersink Bit Set, 1/4'' Quick Change Hex Shank

Zoro # G415485826
Mfr # TDC12-SET
product price:  $70.65
/ea
Milwaukee Tool Countersink Set, 90 , Quick-Change Hex 48-13-5003
Milwaukee Tool

Countersink Set, 90 , Quick-Change Hex

Zoro # G607963743
Mfr # 48-13-5003
product price:  $34.97
/ea
Big Horn 7 Piece Countersink Drill Bit Set with Stop Collars & Wrench 13200
Big Horn

7 Piece Countersink Drill Bit Set with Stop Collars & Wrench

Zoro # G104396716
Mfr # 13200
product price:  $26.15
/ea
Keo Countersink, 3 Fl, 120 Deg, 3/8, Cobalt 917-000-259
Keo

Countersink, 3 Fl, 120 Deg, 3/8, Cobalt

Zoro # G9538812
Mfr # 917-000-259
product price:  $18.49
/ea
Keo Countersink, 3 FL, 82 Deg, 3/16, Carbide 917-000-323
Keo

Countersink, 3 FL, 82 Deg, 3/16, Carbide

Zoro # G1464775
Mfr # 917-000-323
product price:  $24.79
/ea
Keo Countersink, 3 FL, 82 Deg, 3/4, Cobalt, TiN 917-000-186
Keo

Countersink, 3 FL, 82 Deg, 3/4, Cobalt, TiN

Zoro # G1124191
Mfr # 917-000-186
product price:  $60.25
/ea
Keo 60 deg 6 Flute 7 piece Countersink Set HSS 919-000-333
Keo

60 deg 6 Flute 7 piece Countersink Set HSS

Zoro # G3361906
Mfr # 919-000-333
product price:  $232.99
/ea
Zoro Select Countersink, 1-1/4 in, 82 , 2-3/4 in 21ML04
Zoro Select

Countersink, 1-1/4 in, 82 , 2-3/4 in

Zoro # G5233785
Mfr # 21ML04
product price:  $35.19
/ea
Osg Countersink, Multi FL, 82 deg., 1 in. 706-1000-082
Osg

Countersink, Multi FL, 82 deg., 1 in.

Zoro # G1772307
Mfr # 706-1000-082
product price:  $152.99
/ea
Keo 3/4 82 deg ZErO Flute CO Deburring Tool 919-000-211
Keo

3/4 82 deg ZErO Flute CO Deburring Tool

Zoro # G0771504
Mfr # 919-000-211
product price:  $61.15
/ea
Keo Countersink, 3 FL, 100 Deg, 1/2, HSS 917-000-013
Keo

Countersink, 3 FL, 100 Deg, 1/2, HSS

Zoro # G3018766
Mfr # 917-000-013
product price:  $20.85
/ea
Keo 90 deg SF 5 piece Countersink Set HSS 919-000-052
Keo

90 deg SF 5 piece Countersink Set HSS

Zoro # G0625685
Mfr # 919-000-052
product price:  $153.99
/ea
Countersinks (3,500+ items)
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About Countersinks

Countersinks are specialized tools that are used to create a chamfered edge on an object. They are commonly used in machining and fabrication to prepare surfaces for drilling, tapping, or other operations. Countersinks can also be used to deburr or countersink the edges of holes.

Types of Countersinks

Countersinks come in a variety of shapes and sizes, from small single-point countersinks for use with drill bits, to larger multi-fluted countersinks for use with chamfering tools. Countersink sets typically include several different sizes and angles to accommodate different applications.

Materials Used For Countersinks

Countersinks are usually made from high speed steel (HSS) or carbide, but can also be made from other materials such as brass or bronze. The material chosen will depend on the application and the desired finish of the chamfer.

Industries That Use Countersinks

Countersinking is widely used in many industries such as automotive manufacturing, aerospace engineering, furniture making, plumbing and electrical work. Professional tradespeople often use countersink drills and chamfering tools to create precise edges on their workpieces.

Find the Countersinks You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of tools & machining along with other tools or supplies to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

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