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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. Porting Tools & Counterbores
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  9. Counterbores

Counterbores (927 items) - Page 25

Cleveland Counterbore, 1.437" L, 0.125" dia., Bright C46553
Cleveland

Counterbore, 1.437" L, 0.125" dia., Bright

Zoro # G4803500
Mfr # C46553
product price:  $30.15
/ea
Cleveland Counterbore, 1.375" L, 0.156" dia., Bright C46584
Cleveland

Counterbore, 1.375" L, 0.156" dia., Bright

Zoro # G4757151
Mfr # C46584
product price:  $31.29
/ea
Cleveland Pilot for Counterbores, 3/16 in, 3/16 in C46540
Cleveland

Pilot for Counterbores, 3/16 in, 3/16 in

Zoro # G4858712
Mfr # C46540
product price:  $25.59
/ea
Cleveland Pilot for Counterbores, 3/32 in, 5/32 in C46531
Cleveland

Pilot for Counterbores, 3/32 in, 5/32 in

Zoro # G4838668
Mfr # C46531
product price:  $29.89
/ea
Cleveland Pilot for Counterbores, 1/8 in, 1/8 in C46537
Cleveland

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

Zoro # G4766942
Mfr # C46537
product price:  $25.59
/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:  $58.15
/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:  $205.99
/ea
Cleveland AircraftCounterboreW/IntPilot, 15/16in C46908
Cleveland

AircraftCounterboreW/IntPilot, 15/16in

Zoro # G4836148
Mfr # C46908
product price:  $167.99
/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:  $184.99
/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:  $39.49
/ea
Cleveland Counterbore, 2.234" L, 0.188" dia., Bright C46316
Cleveland

Counterbore, 2.234" L, 0.188" dia., Bright

Zoro # G4812862
Mfr # C46316
product price:  $74.49
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0781" (5/64) 23378
Harvey Tool

Counterbores - Flat Bottom, 0.0781" (5/64)

Zoro # G7154868
Mfr # 23378
product price:  $51.29
/ea
Cleveland Counterbore, 1.187" L, 0.125" dia., Bright C46558
Cleveland

Counterbore, 1.187" L, 0.125" dia., Bright

Zoro # G4874620
Mfr # C46558
product price:  $31.29
/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:  $232.99
/ea
Cleveland Counterbore, 6.000" L, 0.438" dia., Bright C91830
Cleveland

Counterbore, 6.000" L, 0.438" dia., Bright

Zoro # G4870201
Mfr # C91830
product price:  $161.99
/ea
Cleveland Counterbore, 2.062" L, 0.250" dia., Bright C46657
Cleveland

Counterbore, 2.062" L, 0.250" dia., Bright

Zoro # G4795353
Mfr # C46657
product price:  $58.15
/ea
Cleveland Counterbore, 5.750" L, 0.375" dia., Bright C92704
Cleveland

Counterbore, 5.750" L, 0.375" dia., Bright

Zoro # G4857857
Mfr # C92704
product price:  $130.99
/ea
Cleveland Port Tool, 5.375" L, 0.625" dia., Bright C46440
Cleveland

Port Tool, 5.375" L, 0.625" dia., Bright

Zoro # G4872520
Mfr # C46440
product price:  $182.99
/ea
Cleveland Counterbore, 2.281" L, 0.313" dia., Bright C46658
Cleveland

Counterbore, 2.281" L, 0.313" dia., Bright

Zoro # G4774231
Mfr # C46658
product price:  $63.19
/ea
Cleveland Counterbore, 8.250" L, 0.750" dia., Bright C91729
Cleveland

Counterbore, 8.250" L, 0.750" dia., Bright

Zoro # G4838850
Mfr # C91729
product price:  $246.99
/ea
Cleveland Counterbore, 8.813" L, 1.000" dia., Bright C91737
Cleveland

Counterbore, 8.813" L, 1.000" dia., Bright

Zoro # G4834842
Mfr # C91737
product price:  $313.99
/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:  $35.99
/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:  $261.99
/ea
Cleveland Counterbore, 1.875" L, 0.188" dia., Bright C46560
Cleveland

Counterbore, 1.875" L, 0.188" dia., Bright

Zoro # G4784731
Mfr # C46560
product price:  $31.29
/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:  $42.15
/ea
Cleveland Counterbore, 1.500" L, 0.094" dia., Bright C46570
Cleveland

Counterbore, 1.500" L, 0.094" dia., Bright

Zoro # G4880132
Mfr # C46570
product price:  $31.29
/ea
Cleveland Counterbore, 3.500" L, 0.313" dia., Bright C91700
Cleveland

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

Zoro # G4832760
Mfr # C91700
product price:  $145.99
/ea
Cleveland Counterbore, 1.625" L, 0.188" dia., Bright C46612
Cleveland

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

Zoro # G4776620
Mfr # C46612
product price:  $35.69
/ea
Cleveland Pilot for Counterbores, 5/32 in, 5/32 in C46529
Cleveland

Pilot for Counterbores, 5/32 in, 5/32 in

Zoro # G4805433
Mfr # C46529
product price:  $27.45
/ea
Cleveland Counterbore, 1.375" L, 0.156" dia., Bright C46597
Cleveland

Counterbore, 1.375" L, 0.156" dia., Bright

Zoro # G4853657
Mfr # C46597
product price:  $35.69
/ea
Cleveland Counterbore, 2.000" L, 0.250" dia., Bright C46645
Cleveland

Counterbore, 2.000" L, 0.250" dia., Bright

Zoro # G4877603
Mfr # C46645
product price:  $53.89
/ea
Cleveland Pilot for Counterbores, 5/32 in, 5/32 in C46539
Cleveland

Pilot for Counterbores, 5/32 in, 5/32 in

Zoro # G4766489
Mfr # C46539
product price:  $27.45
/ea
Cleveland Counterbore, 6.000" L, 0.438" dia., Bright C91709
Cleveland

Counterbore, 6.000" L, 0.438" dia., Bright

Zoro # G4790961
Mfr # C91709
product price:  $145.99
/ea
Cleveland Counterbore, 1.375" L, 0.156" dia., Bright C46578
Cleveland

Counterbore, 1.375" L, 0.156" dia., Bright

Zoro # G4783508
Mfr # C46578
product price:  $31.29
/ea
Cleveland Counterbore, 3.001" L, 0.438" dia., Bright C46716
Cleveland

Counterbore, 3.001" L, 0.438" dia., Bright

Zoro # G4792851
Mfr # C46716
product price:  $94.19
/ea
Cleveland Counterbore, 1.875" L, 0.250" dia., Bright C46593
Cleveland

Counterbore, 1.875" L, 0.250" dia., Bright

Zoro # G4829181
Mfr # C46593
product price:  $39.49
/ea
Counterbores (927 items) - Page 25
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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.

Related Categories

Hole SawsJobber Length Drill BitsReduced Shank Drill BitsCountersinksSquare End Mills
Drill Bit SetsCenter DrillsTap SetsTap WrenchesAuger Drill Bits
cleveland counterborecounter bore pilot5/8 counterborepilot counterboreinterchangeable pilot counterbore
high speed steelmetric shcs1-1/4 in counterbore6-piece damask jacquard/solidcounter bore set

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