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  7. Countersinks, Center Drills & Spotting Drills
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Countersinks, Center Drills & Spotting Drills (9,000+ items) - Page 3

Rocky Mountain Twist Cobalt Countersink .500 X No 10 954CO5-10
Rocky Mountain Twist

Cobalt Countersink .500 X No 10

Zoro # G1380454
Mfr # 954CO5-10
product price:  $22.99
/ea
Keo Countersink, 6 Fl, 82 Deg, 3/4, Cobalt 919-000-747
Keo

Countersink, 6 Fl, 82 Deg, 3/4, Cobalt

Zoro # G2826887
Mfr # 919-000-747
product price:  $44.09
/ea
Hhip 1/2-1-3/4" Indexable 82 Degree Countersink & Chamfer Tool 2001-0038
Hhip

1/2-1-3/4" Indexable 82 Degree Countersink & Chamfer Tool

Zoro # G2468498
Mfr # 2001-0038
product price:  $53.45
/ea
No Product Image Available
M.A. Ford

Countersink, 1/2 dia., 1/4 Shank, 82

Zoro # G7345018
Mfr # 61050002
product price:  $14.49
/ea
Keo Drill/Countersink Bit, 60 Deg, No 3, HSS, TiN 906-000-091
Keo

Drill/Countersink Bit, 60 Deg, No 3, HSS, TiN

Zoro # G2660332
Mfr # 906-000-091
product price:  $12.19
/ea
Drill America 82 Degree Pilotless Countersink for #8 screw WELCS-8S
Drill America

82 Degree Pilotless Countersink for #8 screw

Zoro # G1739248
Mfr # WELCS-8S
product price:  $14.49
/ea
Keo Combined Drill & Countersink Set - Plain Solid Carbide 906-000-004
Keo

Combined Drill & Countersink Set - Plain Solid Carbide

Zoro # G0557627
Mfr # 906-000-004
product price:  $228.99
/ea
Keo 3/4 x 82 deg KEO HSS RH 3Fl C Reamer 917-000-045
Keo

3/4 x 82 deg KEO HSS RH 3Fl C Reamer

Zoro # G0866853
Mfr # 917-000-045
product price:  $35.29
/ea
Keo Drill/Countersink, 82 deg., No 4, RH, Carbide 906-000-440
Keo

Drill/Countersink, 82 deg., No 4, RH, Carbide

Zoro # G9011651
Mfr # 906-000-440
product price:  $46.79
/ea
Chicago-Latrobe Combined Drill/Countersink, No 2 Size, Plain 56702
Chicago-Latrobe

Combined Drill/Countersink, No 2 Size, Plain

Zoro # G4852403
Mfr # 56702
product price:  $8.69
/ea
M.A. Ford Endmill 3/8X1-5/8 .156Cr 79000003
M.A. Ford

Endmill 3/8X1-5/8 .156Cr

Zoro # G1165426
Mfr # 79000003
product price:  $187.99
/ea
Keo 1/2 x 82 deg KEO CO SF Countersink 919-000-581
Keo

1/2 x 82 deg KEO CO SF Countersink

Zoro # G2742923
Mfr # 919-000-581
product price:  $19.99
/ea
Hhip 5/8" 82 Degree 6 Flute High Speed Steel Chatterless Countersink 2001-3625
Hhip

5/8" 82 Degree 6 Flute High Speed Steel Chatterless Countersink

Zoro # G2468324
Mfr # 2001-3625
product price:  $13.59
/ea
Keo Drill/Countersink Bit, 82 Deg, No 4, HSS, BRGT 906-000-116
Keo

Drill/Countersink Bit, 82 Deg, No 4, HSS, BRGT

Zoro # G1989662
Mfr # 906-000-116
product price:  $13.99
/ea
Yg-1 Tool Spotting Drill, 90 Deg., 1/8 in. 0081L
Yg-1 Tool

Spotting Drill, 90 Deg., 1/8 in.

Zoro # G2778828
Mfr # 0081L
product price:  $8.19
/ea
Blair Equipment Co Cutter, Spotweld/Access, Double-End, 3/8" 13214
Blair Equipment Co

Cutter, Spotweld/Access, Double-End, 3/8"

Zoro # G7183480
Mfr # 13214
product price:  $18.99
/ea
Keo Drill/Countersink Bit, 60 Deg, No 2, Carbide 906-000-433
Keo

Drill/Countersink Bit, 60 Deg, No 2, Carbide

Zoro # G0767076
Mfr # 906-000-433
product price:  $30.25
/ea
Keo Drill/Countersink Bit, 60 Deg, No 7, HSS, BRGT 906-000-150
Keo

Drill/Countersink Bit, 60 Deg, No 7, HSS, BRGT

Zoro # G1054426
Mfr # 906-000-150
product price:  $29.19
/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
Zoro Select Countersink, 1 FL, 82 Deg, 1/2, HSS, Uncoated 21MK97
Zoro Select

Countersink, 1 FL, 82 Deg, 1/2, HSS, Uncoated

Zoro # G5233837
Mfr # 21MK97
product price:  $12.59
/ea
Keo Drill/Countersink Bit, 60 Deg, No 5, HSS, TiN 906-000-121
Keo

Drill/Countersink Bit, 60 Deg, No 5, HSS, TiN

Zoro # G3112566
Mfr # 906-000-121
product price:  $24.69
/ea
Keo Countersink, 6 Fl, 82 Deg, 1 In, Cobalt 919-000-751
Keo

Countersink, 6 Fl, 82 Deg, 1 In, Cobalt

Zoro # G1438717
Mfr # 919-000-751
product price:  $67.49
/ea
Keo Drill/Countersink Bit, 60 Deg, No 4, HSS, TiN 906-000-106
Keo

Drill/Countersink Bit, 60 Deg, No 4, HSS, TiN

Zoro # G3199165
Mfr # 906-000-106
product price:  $14.19
/ea
Link No 10 HSS Se .192 X 15/32 Drill 7/16 X 2 Body 1/4 X 5/8 Shank 55-L2-192
Link

No 10 HSS Se .192 X 15/32 Drill 7/16 X 2 Body 1/4 X 5/8 Shank

Zoro # G7638227
Mfr # 55-L2-192
product price:  $24.45
/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:  $7.39
/ea
Link 1/4" HSS Se .252 X 17/32 Drill 1/2 X 2-3/8 Body 3/8 X 15/16 Shank 55-L2-194
Link

1/4" HSS Se .252 X 17/32 Drill 1/2 X 2-3/8 Body 3/8 X 15/16 Shank

Zoro # G7644396
Mfr # 55-L2-194
product price:  $27.89
/ea
Montana Power Groove Countersink Set MO436321
Montana

Power Groove Countersink Set

Zoro # G309239030
Mfr # MO436321
product price:  $22.15
/ea
Zoro Select Countersink, 1 FL, 82 Deg, 1/4, HSS, Uncoated 21ML02
Zoro Select

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

Zoro # G5233846
Mfr # 21ML02
product price:  $5.69
/ea
Blair Equipment Co Cutter, 5/8", 3 pcs. 11124-3
Blair Equipment Co

Cutter, 5/8", 3 pcs.

Zoro # G7183690
Mfr # 11124-3
product price:  $44.74
/ea
Hhip 1 in. Single Flute 90 Degree High Speed Steel Countersink 2001-0807
Hhip

1 in. Single Flute 90 Degree High Speed Steel Countersink

Zoro # G712124565
Mfr # 2001-0807
product price:  $30.99
/ea
Blair Equipment Co Cutter, 1", 1/2-20 Thd 11348
Blair Equipment Co

Cutter, 1", 1/2-20 Thd

Zoro # G7183709
Mfr # 11348
product price:  $36.19
/ea
Blair Equipment Co Cutter, 5/16", 3 pcs. 11104-3
Blair Equipment Co

Cutter, 5/16", 3 pcs.

Zoro # G7183106
Mfr # 11104-3
product price:  $31.19
/ea
Keo Drill/Countersink Bit, 82 Deg, No 4, HSS, TiN 906-000-117
Keo

Drill/Countersink Bit, 82 Deg, No 4, HSS, TiN

Zoro # G2721503
Mfr # 906-000-117
product price:  $18.29
/ea
Keo Drill/Countersink Bit, 60 Deg, No 4x4 L, HSS 907-000-109
Keo

Drill/Countersink Bit, 60 Deg, No 4x4 L, HSS

Zoro # G2687273
Mfr # 907-000-109
product price:  $24.55
/ea
Keo Countersink, 90 Deg, 5/16 919-000-219
Keo

Countersink, 90 Deg, 5/16

Zoro # G2474071
Mfr # 919-000-219
product price:  $20.99
/ea
Link 3/8" HSS Se .378 X 25/32 Drill 3/4 X 3 Body 1/2 X 1-1/8 Shank 55-L2-196
Link

3/8" HSS Se .378 X 25/32 Drill 3/4 X 3 Body 1/2 X 1-1/8 Shank

Zoro # G7647589
Mfr # 55-L2-196
product price:  $37.45
/ea
Countersinks, Center Drills & Spotting Drills (9,000+ items) - Page 3
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About Countersinks, Center Drills & Spotting Drills

Countersinks, center drills & spotting drills are tools used to create a countersink or counterbore, a conical hole in the surface of a material that allows for screws and other fasteners to sit flush with the surface. Countersinks can also be used to deburr or chamfer the edges of a drilled hole.

Types of Countersinks, Center Drills & Spotting Drills

Countersinks come in various sizes and shapes depending on their purpose. Center drills are specifically designed to make it easier to drill accurate holes in the middle of a workpiece while spotting drills are used as pilot holes for larger drill bits.

How Countersinks, Center Drills & Spotting Drills are Made

Countersinks, center drills & spotting drills are typically made from high speed steel (HSS) or tungsten carbide tipped (TCT). They may also be made from cobalt steel alloys (HSSE) which offer improved heat resistance and higher cutting speeds than HSS.

Industries that use Countersinks, Center Drills & Spotting Drills

Countersinks, center drills & spotting drills are commonly used in metalworking industries such as automotive manufacturing, aerospace engineering and construction. Professionals use them for precision drilling applications when accuracy is essential.

Find the Countersinks, Center Drills & Spotting Drills 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 Countersinks, Center Drills & Spotting Drills along with other tools or equipment 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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