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  7. Countersinks, Center Drills & Spotting Drills

Countersinks, Center Drills & Spotting Drills (8,500+ items) - Page 21

Zoro Select Spotting Drill Bit Set, 90 402-888802
Zoro Select

Spotting Drill Bit Set, 90

Zoro # G4341508
Mfr # 402-888802
product price: 
$316.99
/ea
Keo 1 Inch 90 deg ZErO Flute CO Deburring Tool 919-000-229
Keo

1 Inch 90 deg ZErO Flute CO Deburring Tool

Zoro # G1405774
Mfr # 919-000-229
product price: 
$58.89
/ea
Zoro Select Countersink, 7/8 in, 82 , 2-3/4 in 21ML23
Zoro Select

Countersink, 7/8 in, 82 , 2-3/4 in

Zoro # G5261453
Mfr # 21ML23
product price: 
$23.45
/ea
Osg Countersink, 2-7/8 in. L, 82 deg., 5/8 in. 706-6250-082
Osg

Countersink, 2-7/8 in. L, 82 deg., 5/8 in.

Zoro # G1772185
Mfr # 706-6250-082
product price: 
$73.95
/ea
Keo 1/4 x 82 deg KEO CO SF Countersink 919-000-577
Keo

1/4 x 82 deg KEO CO SF Countersink

Zoro # G0995863
Mfr # 919-000-577
product price: 
$17.39
/ea
Cleveland Countersink, 1-3/4" L, HSS, Center Reamer C46205
Cleveland

Countersink, 1-3/4" L, HSS, Center Reamer

Zoro # G4854077
Mfr # C46205
product price: 
$25.79
/ea
Sold in mult. of 10 for $257.90
Osg Countersink, 3/8 in, 60 , 2-9/16 in 700-3750
Osg

Countersink, 3/8 in, 60 , 2-9/16 in

Zoro # G1772648
Mfr # 700-3750
product price: 
$41.39
/ea
Keo 1/2 x 90 deg KEO CO RH 3Fl C Reamer 917-000-201
Keo

1/2 x 90 deg KEO CO RH 3Fl C Reamer

Zoro # G0509056
Mfr # 917-000-201
product price: 
$23.79
/ea
Keo 1/2 x 90 deg Single Flute Carbide Countersink 919-000-957
Keo

1/2 x 90 deg Single Flute Carbide Countersink

Zoro # G2129556
Mfr # 919-000-957
product price: 
$77.69
/ea
Keo 1/8x1/4x1-1/2 Keo Carbide 82 deg NC Spot 956-000-125
Keo

1/8x1/4x1-1/2 Keo Carbide 82 deg NC Spot

Zoro # G8588045
Mfr # 956-000-125
product price: 
$26.79
/ea
Keo Drill/Countersink, 6 FL, 82 deg., 5/8in, HSS 919-000-349
Keo

Drill/Countersink, 6 FL, 82 deg., 5/8in, HSS

Zoro # G2776545
Mfr # 919-000-349
product price: 
$36.99
/ea
Keo Countersink, 6 FL, 60 Deg, 1 In, Cobalt, TiN 919-000-716
Keo

Countersink, 6 FL, 60 Deg, 1 In, Cobalt, TiN

Zoro # G2758646
Mfr # 919-000-716
product price: 
$91.55
/ea
Keo 1/4 x 82 deg Three Flute Carbide Countersink 917-000-325
Keo

1/4 x 82 deg Three Flute Carbide Countersink

Zoro # G1709005
Mfr # 917-000-325
product price: 
$37.55
/ea
Keo Countersink, 1 FL, 60 Deg, 1/2, Cobalt 919-000-557
Keo

Countersink, 1 FL, 60 Deg, 1/2, Cobalt

Zoro # G3488983
Mfr # 919-000-557
product price: 
$20.99
/ea
Keo Countersink, 1 FL, 90 Deg, 1/4, Carbide 919-000-953
Keo

Countersink, 1 FL, 90 Deg, 1/4, Carbide

Zoro # G1826702
Mfr # 919-000-953
product price: 
$34.85
/ea
Keo Countersink, 1 FL, 90 Deg, 1/2, Cobalt, TiN 919-000-606
Keo

Countersink, 1 FL, 90 Deg, 1/2, Cobalt, TiN

Zoro # G1797993
Mfr # 919-000-606
product price: 
$28.39
/ea
Keo Countersink, 1 FL, 82 Deg, 5/8, Cobalt, TiN 919-000-584
Keo

Countersink, 1 FL, 82 Deg, 5/8, Cobalt, TiN

Zoro # G2669615
Mfr # 919-000-584
product price: 
$38.59
/ea
Keo Countersink, 6 FL, 90 Deg, 3/8, Carbide 919-001-040
Keo

Countersink, 6 FL, 90 Deg, 3/8, Carbide

Zoro # G3496141
Mfr # 919-001-040
product price: 
$52.65
/ea
Zoro Select Countersink, 1/4 in, 82 , 1-1/2 in 21ML12
Zoro Select

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

Zoro # G5233873
Mfr # 21ML12
product price: 
$6.29
/ea
Keo Countersink, 6 FL, 82 Deg, 1 1/4, Cobalt, TiN 919-000-754
Keo

Countersink, 6 FL, 82 Deg, 1 1/4, Cobalt, TiN

Zoro # G6875994
Mfr # 919-000-754
product price: 
$136.99
/ea
Keo Countersink, 7/8 in, 60 , 2-3/4 in 919-000-317
Keo

Countersink, 7/8 in, 60 , 2-3/4 in

Zoro # G1122746
Mfr # 919-000-317
product price: 
$52.15
/ea
Keo 1/4 x 82 deg Single Flute Carbide Countersink 919-000-933
Keo

1/4 x 82 deg Single Flute Carbide Countersink

Zoro # G3390651
Mfr # 919-000-933
product price: 
$35.49
/ea
Keo Countersink, 1 FL, 60 Deg, 5/8, Cobalt 919-000-559
Keo

Countersink, 1 FL, 60 Deg, 5/8, Cobalt

Zoro # G2937252
Mfr # 919-000-559
product price: 
$28.39
/ea
Keo Countersink, 6 FL, 90 Deg, 1 1/2, Cobalt 919-000-791
Keo

Countersink, 6 FL, 90 Deg, 1 1/2, Cobalt

Zoro # G1015865
Mfr # 919-000-791
product price: 
$156.99
/ea
Keo Countersink, 3 FL, 82 deg., 1/2in, HSS, TiN 917-000-022
Keo

Countersink, 3 FL, 82 deg., 1/2in, HSS, TiN

Zoro # G8924395
Mfr # 917-000-022
product price: 
$25.89
/ea
Keo Countersink, 6 FL, 100 Deg, 3/8, Carbide 919-001-062
Keo

Countersink, 6 FL, 100 Deg, 3/8, Carbide

Zoro # G1954976
Mfr # 919-001-062
product price: 
$62.65
/ea
Milwaukee Tool Drill Bit Countersink, #8, 3/10 in, 90 48-13-5001
Milwaukee Tool

Drill Bit Countersink, #8, 3/10 in, 90

Zoro # G007963732
Mfr # 48-13-5001
product price: 
$13.47
/ea
Keo Drill/Countersink Bit, 60 Deg, No 2x4 L, HSS 907-000-067
Keo

Drill/Countersink Bit, 60 Deg, No 2x4 L, HSS

Zoro # G1372411
Mfr # 907-000-067
product price: 
$23.75
/ea
Keo Combined Drill & Countersink Set - Plain CO 906-000-003
Keo

Combined Drill & Countersink Set - Plain CO

Zoro # G1069555
Mfr # 906-000-003
product price: 
$125.99
/ea
Keo Drill/Countersink Bit, 60 Deg, No 10, HSS 906-000-191
Keo

Drill/Countersink Bit, 60 Deg, No 10, HSS

Zoro # G0898545
Mfr # 906-000-191
product price: 
$99.99
/ea
Westward Centering Bit, 5/16 In., OAL 6 In 22UX28
Westward

Centering Bit, 5/16 In., OAL 6 In

Zoro # G7536541
Mfr # 22UX28
product price: 
$5.15
/ea
Chicago-Latrobe Combined Drill/Countersink, No 3 Size, Plain 56703
Chicago-Latrobe

Combined Drill/Countersink, No 3 Size, Plain

Zoro # G4771772
Mfr # 56703
product price: 
$10.69
/ea
Keo Drill/Countersink Bit, 60 Deg, No 3x3 L, HSS 907-000-083
Keo

Drill/Countersink Bit, 60 Deg, No 3x3 L, HSS

Zoro # G2068622
Mfr # 907-000-083
product price: 
$21.95
/ea
Keo Drill/Countersink Bit, 60 Deg, No 4x6 L, HSS 907-000-119
Keo

Drill/Countersink Bit, 60 Deg, No 4x6 L, HSS

Zoro # G1695601
Mfr # 907-000-119
product price: 
$36.19
/ea
Keo Drill/Countersink Bit, 60 Deg, No 3, Carbide 906-000-436
Keo

Drill/Countersink Bit, 60 Deg, No 3, Carbide

Zoro # G2146207
Mfr # 906-000-436
product price: 
$51.85
/ea
Keo Drill/Countersink, No 1, 1/8in dia., RH, HSS,  906-000-062
Keo

Drill/Countersink, No 1, 1/8in dia., RH, HSS,

Zoro # G8587625
Mfr # 906-000-062
product price: 
$10.19
/ea
Countersinks, Center Drills & Spotting Drills (8,500+ items) - Page 21
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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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