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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
  8. /
  9. Counterbores

Counterbores (929 items) - Page 16

Garant Counterbore with Interchangeable Pilot Pins, 24 mm 156520 24
Garant

Counterbore with Interchangeable Pilot Pins, 24 mm

Zoro # G714389740
Mfr # 156520 24
product price:  $119.99
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46902
Cleveland

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

Zoro # G4832368
Mfr # C46902
product price:  $145.99
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46898
Cleveland

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

Zoro # G4821113
Mfr # C46898
product price:  $135.99
/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 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 Counterbore, 6.000" L, 0.438" dia., Bright C92707
Cleveland

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

Zoro # G4791409
Mfr # C92707
product price:  $152.99
/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 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, 2.234" L, 0.188" dia., Bright C46316
Cleveland

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

Zoro # G4812862
Mfr # C46316
product price:  $71.69
/ea
Keo Counterbore, Close Fit, Size No 10, Cobalt 902-000-013
Keo

Counterbore, Close Fit, Size No 10, Cobalt

Zoro # G1865455
Mfr # 902-000-013
product price:  $75.15
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46896
Cleveland

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

Zoro # G4837843
Mfr # C46896
product price:  $125.99
/ea
Cleveland Counterbore, 7.000" L, 0.500" dia., Bright C91719
Cleveland

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

Zoro # G4814308
Mfr # C91719
product price:  $200.99
/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
Keo Counterbore, Close Fit, Size 1/2, Cobalt 902-000-028
Keo

Counterbore, Close Fit, Size 1/2, Cobalt

Zoro # G0746645
Mfr # 902-000-028
product price:  $98.29
/ea
Cleveland Counterbore, 5.750" L, 0.375" dia., Bright C92705
Cleveland

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

Zoro # G4869547
Mfr # C92705
product price:  $138.99
/ea
Cleveland Counterbore, 2.000" L, 0.188" dia., Bright C46572
Cleveland

Counterbore, 2.000" L, 0.188" dia., Bright

Zoro # G4828527
Mfr # C46572
product price:  $34.49
/ea
Keo Counterbore, 1/64 Clearance, Size 1/2, Co 902-000-029
Keo

Counterbore, 1/64 Clearance, Size 1/2, Co

Zoro # G2109843
Mfr # 902-000-029
product price:  $104.99
/ea
Keo Counterbore, 1/64 Clearance, Size No 10, Co 902-000-014
Keo

Counterbore, 1/64 Clearance, Size No 10, Co

Zoro # G1024082
Mfr # 902-000-014
product price:  $68.39
/ea
Keo Counterbore, 1/64 Clearance, Size No 8, Co 902-000-011
Keo

Counterbore, 1/64 Clearance, Size No 8, Co

Zoro # G1745247
Mfr # 902-000-011
product price:  $63.89
/ea
Keo Counterbore, Close Fit, Size No 6, Cobalt 902-000-007
Keo

Counterbore, Close Fit, Size No 6, Cobalt

Zoro # G2879667
Mfr # 902-000-007
product price:  $63.99
/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 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
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
Keo Counterbore, 1/32 Clearance, Size 5/16, Co 902-000-021
Keo

Counterbore, 1/32 Clearance, Size 5/16, Co

Zoro # G2623661
Mfr # 902-000-021
product price:  $74.69
/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 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
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, 0.500" dia., Bright C46439
Cleveland

Port Tool, 5.375" L, 0.500" dia., Bright

Zoro # G4852281
Mfr # C46439
product price:  $206.99
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46900
Cleveland

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

Zoro # G4767277
Mfr # C46900
product price:  $144.99
/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
Keo Counterbore, 1/64 Clearance, Size 3/8, Co 902-000-023
Keo

Counterbore, 1/64 Clearance, Size 3/8, Co

Zoro # G1121951
Mfr # 902-000-023
product price:  $87.15
/ea
Cleveland Counterbore, 3.000" L, 0.250" dia., Bright C91697
Cleveland

Counterbore, 3.000" L, 0.250" dia., Bright

Zoro # G4765463
Mfr # C91697
product price:  $130.99
/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:  $176.99
/ea
Cleveland Counterbore, 1.375" L, 0.125" dia., Bright C46548
Cleveland

Counterbore, 1.375" L, 0.125" dia., Bright

Zoro # G4869809
Mfr # C46548
product price:  $33.19
/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 Counterbore, 3.500" L, 0.313" dia., Bright C91700
Cleveland

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

Zoro # G4832760
Mfr # C91700
product price:  $139.99
/ea
Counterbores (929 items) - Page 16
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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

Jobber Length Drill BitsCountersinksReduced Shank Drill BitsHole SawsSquare End Mills
Carbide End MillsHex DiesRound DiesSpiral Point 2-Flute TapsSpiral Flute 3-Flute Taps
6-piece damask jacquard/solidcounter bore sethigh speed steelcounter bore1-1/4 in counterbore
cleveland counterboremetric shcscounter bore pilotpilot counterboreinterchangeable pilot counterbore

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