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  1. Home
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  5. Cutting Tools
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  7. Porting Tools & Counterbores
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  9. Counterbores
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Counterbores (929 items) - Page 7

Keo Counterbore, 1/32 Clearance, Size 1/2, Co 902-000-030
Keo

Counterbore, 1/32 Clearance, Size 1/2, Co

Zoro # G1152356
Mfr # 902-000-030
product price:  $109.99
/ea
Cleveland Port Tool, 5.375" L, 0.750" dia., Bright C46443
Cleveland

Port Tool, 5.375" L, 0.750" dia., Bright

Zoro # G4850568
Mfr # C46443
product price:  $222.99
/ea
Cleveland Counterbore, 1.625" L, 0.188" dia., Bright C46585
Cleveland

Counterbore, 1.625" L, 0.188" dia., Bright

Zoro # G4830231
Mfr # C46585
product price:  $34.49
/ea
Cleveland Port Tool, 2.375" L, 0.250" dia., Bright C46890
Cleveland

Port Tool, 2.375" L, 0.250" dia., Bright

Zoro # G4850629
Mfr # C46890
product price:  $106.99
/ea
Cleveland Counterbore, 6.500" L, 0.500" dia., Bright C91714
Cleveland

Counterbore, 6.500" L, 0.500" dia., Bright

Zoro # G4854768
Mfr # C91714
product price:  $168.99
/ea
Cleveland Port Tool, 6.375" L, 0.750" dia., Bright C46447
Cleveland

Port Tool, 6.375" L, 0.750" dia., Bright

Zoro # G4797033
Mfr # C46447
product price:  $249.99
/ea
Cleveland Port Tool, 4.063" L, 0.312" dia., Bright C46427
Cleveland

Port Tool, 4.063" L, 0.312" dia., Bright

Zoro # G4854549
Mfr # C46427
product price:  $133.99
/ea
Cleveland Counterbore, 7.000" L, 0.500" dia., Bright C91720
Cleveland

Counterbore, 7.000" L, 0.500" dia., Bright

Zoro # G4768351
Mfr # C91720
product price:  $196.99
/ea
Cleveland Port Tool, 3.813" L, 0.296" dia., Bright C46425
Cleveland

Port Tool, 3.813" L, 0.296" dia., Bright

Zoro # G4868521
Mfr # C46425
product price:  $139.64
/ea
Cleveland Counterbore, 3.000" L, 0.219" dia., Bright C91695
Cleveland

Counterbore, 3.000" L, 0.219" dia., Bright

Zoro # G4834258
Mfr # C91695
product price:  $104.99
/ea
Keo Counterbore, Close Fit, Size 5/16, Cobalt 902-000-019
Keo

Counterbore, Close Fit, Size 5/16, Cobalt

Zoro # G2520061
Mfr # 902-000-019
product price:  $65.39
/ea
Keo Counterbore, 1/64 Clearance, Size 5/16, Co 902-000-020
Keo

Counterbore, 1/64 Clearance, Size 5/16, Co

Zoro # G0742113
Mfr # 902-000-020
product price:  $74.69
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46906
Cleveland

Port Tool, 2.813" L, 0.250" dia., Bright

Zoro # G4774983
Mfr # C46906
product price:  $176.99
/ea
Keo No 6 through 1/2" +1/64 Oversize Kounterbore Set 902-000-041
Keo

No 6 through 1/2" +1/64 Oversize Kounterbore Set

Zoro # G3326023
Mfr # 902-000-041
product price:  $578.99
/ea
Keo Counterbore Set, Close Fit, 7 PC, No 6-1/2 In 902-000-040
Keo

Counterbore Set, Close Fit, 7 PC, No 6-1/2 In

Zoro # G2382423
Mfr # 902-000-040
product price:  $524.99
/ea
Cleveland Counterbore, 3.000" L, 0.219" dia., Bright C91696
Cleveland

Counterbore, 3.000" L, 0.219" dia., Bright

Zoro # G4851152
Mfr # C91696
product price:  $119.99
/ea
Cleveland Port Tool, 4.313" L, 0.500" dia., Bright C46433
Cleveland

Port Tool, 4.313" L, 0.500" dia., Bright

Zoro # G4857452
Mfr # C46433
product price:  $162.99
/ea
Cleveland Pilot for Counterbores, 1/8 in, 1/8 in C46522
Cleveland

Pilot for Counterbores, 1/8 in, 1/8 in

Zoro # G4829671
Mfr # C46522
product price:  $29.15
/ea
Cleveland Counterbore, 3.500" L, 0.313" dia., Bright C91699
Cleveland

Counterbore, 3.500" L, 0.313" dia., Bright

Zoro # G4780041
Mfr # C91699
product price:  $131.99
/ea
Cleveland Pilot for Counterbores, 3/32 in, 3/32 in C46528
Cleveland

Pilot for Counterbores, 3/32 in, 3/32 in

Zoro # G4791110
Mfr # C46528
product price:  $29.89
/ea
Cleveland Counterbore, 1.937" L, 0.250" dia., Bright C46613
Cleveland

Counterbore, 1.937" L, 0.250" dia., Bright

Zoro # G4772761
Mfr # C46613
product price:  $37.79
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1250" (1/8) 23408
Harvey Tool

Counterbores - Flat Bottom, 0.1250" (1/8)

Zoro # G7153845
Mfr # 23408
product price:  $40.99
/ea
Harvey Tool 0.1750'' Cutter DIA x 0.6250'', 5/8 Flute Length - 4 FL 23574
Harvey Tool

0.1750'' Cutter DIA x 0.6250'', 5/8 Flute Length - 4 FL

Zoro # G413081570
Mfr # 23574
product price:  $36.89
/ea
Harvey Tool Counterbores - Flat Bottom 23340
Harvey Tool

Counterbores - Flat Bottom

Zoro # G401019899
Mfr # 23340
product price:  $41.39
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0469" (3/64), Number of Flutes: 4 25447
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0469" (3/64), Number of Flutes: 4

Zoro # G7257795
Mfr # 25447
product price:  $47.66
/ea
Cleveland Counterbore, 2.109" L, 0.313" dia., Bright C46594
Cleveland

Counterbore, 2.109" L, 0.313" dia., Bright

Zoro # G4863588
Mfr # C46594
product price:  $40.29
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2362" 2556M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.2362"

Zoro # G7164817
Mfr # 2556M-C3
product price:  $96.59
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0312" (1/32) 23331-C3
Harvey Tool

Counterbores - Flat Bottom, 0.0312" (1/32)

Zoro # G7153985
Mfr # 23331-C3
product price:  $47.95
/ea
Drill America 7/8" 15/16" Continuous Pilot Capscrew Counterbore DEWCSCBR7/8
Drill America

7/8" 15/16" Continuous Pilot Capscrew Counterbore

Zoro # G1739178
Mfr # DEWCSCBR7/8
product price:  $129.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2362" 2346M
Harvey Tool

Counterbores - Flat Bottom, 0.2362"

Zoro # G7252518
Mfr # 2346M
product price:  $54.25
/ea
Cleveland Counterbore, 2.562" L, 0.375" dia., Bright C46659
Cleveland

Counterbore, 2.562" L, 0.375" dia., Bright

Zoro # G4837432
Mfr # C46659
product price:  $55.59
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 18X10.5 mm 156020 18X10,5
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 18X10.5 mm

Zoro # G414389545
Mfr # 156020 18X10,5
product price:  $44.15
/ea
Keo Counterbore, Close Fit, Size 5/8, Cobalt 902-000-031
Keo

Counterbore, Close Fit, Size 5/8, Cobalt

Zoro # G2981903
Mfr # 902-000-031
product price:  $144.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0469" (3/64) 25447-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0469" (3/64)

Zoro # G7255887
Mfr # 25447-C3
product price:  $59.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.3125" (5/16), Material - Machining: Carbide 25520
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.3125" (5/16), Material - Machining: Carbide

Zoro # G7162428
Mfr # 25520
product price:  $102.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1575" 2344M-C3
Harvey Tool

Counterbores - Flat Bottom, 0.1575"

Zoro # G7242928
Mfr # 2344M-C3
product price:  $46.69
/ea
Counterbores (929 items) - Page 7
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About Counterbores

Counterbores are specialized tools utilized in creating enlarged, flat-bottomed holes in various materials, primarily metal. They're essential when a fastener's head needs to be level with or beneath the surface of the worked material. Available in an array of sizes and shapes, these tools can accommodate diverse types of fasteners and feature different tip configurations like straight flute or spiral flute based on their intended use. Counterboring speeds differ according to the material being processed. These durable tools are typically crafted from high-speed steel (HSS) or cobalt steel for enhanced cutting performance, sometimes coated with titanium nitride (TiN) for superior wear resistance and lubricity when dealing with tougher materials such as stainless steel or aluminum. Industries ranging from automotive manufacturing and aerospace engineering to medical device production widely employ counterbores for precise hole creation necessary for mounting screws and other fasteners.

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counter bore5/16 cobalt6-piece damask jacquard/solid1/4 counterbore50 chain link

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