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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

Counterbores (927 items) - Page 26

Cleveland AircraftCounterboreW/IntPilot, 15/32in C46893
Cleveland

AircraftCounterboreW/IntPilot, 15/32in

Zoro # G4845668
Mfr # C46893
product price: 
$104.99
/ea
Cleveland Counterbore, 1.875" L, 0.188" dia., Bright C46551
Cleveland

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

Zoro # G4771757
Mfr # C46551
product price: 
$29.89
/ea
Cleveland Counterbore, 3.500" L, 0.344" dia., Bright C91701
Cleveland

Counterbore, 3.500" L, 0.344" dia., Bright

Zoro # G4829647
Mfr # C91701
product price: 
$135.99
/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, 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, 7.000" L, 0.500" dia., Bright C91715
Cleveland

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

Zoro # G4772831
Mfr # C91715
product price: 
$176.99
/ea
Cleveland Port Tool, 6.375" L, 1.000" dia., Bright C46449
Cleveland

Port Tool, 6.375" L, 1.000" dia., Bright

Zoro # G4815242
Mfr # C46449
product price: 
$277.99
/ea
Cleveland Port Tool, 2.375" L, 0.250" dia., Bright C46888
Cleveland

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

Zoro # G4798637
Mfr # C46888
product price: 
$90.69
/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, 2.687" L, 0.375" dia., Bright C46679
Cleveland

Counterbore, 2.687" L, 0.375" dia., Bright

Zoro # G4802922
Mfr # C46679
product price: 
$68.15
/ea
Cleveland Counterbore, 1.625" L, 0.188" dia., Bright C46579
Cleveland

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

Zoro # G4758019
Mfr # C46579
product price: 
$31.29
/ea
Cleveland Counterbore, 1.812" L, 0.250" dia., Bright C46580
Cleveland

Counterbore, 1.812" L, 0.250" dia., Bright

Zoro # G4761412
Mfr # C46580
product price: 
$35.29
/ea
Cleveland Port Tool, 4.313" L, 0.437" dia., Bright C46431
Cleveland

Port Tool, 4.313" L, 0.437" dia., Bright

Zoro # G4758122
Mfr # C46431
product price: 
$155.99
/ea
Cleveland Counterbore, 2.218" L, 0.313" dia., Bright C46630
Cleveland

Counterbore, 2.218" L, 0.313" dia., Bright

Zoro # G4799903
Mfr # C46630
product price: 
$53.89
/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 Port Tool, 4.063" L, 0.375" dia., Bright C46429
Cleveland

Port Tool, 4.063" L, 0.375" dia., Bright

Zoro # G4845397
Mfr # C46429
product price: 
$138.99
/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 Port Tool, 5.125" L, 0.500" dia., Bright C46434
Cleveland

Port Tool, 5.125" L, 0.500" dia., Bright

Zoro # G4804261
Mfr # C46434
product price: 
$151.99
/ea
Cleveland Port Tool, 4.063" L, 0.375" dia., Bright C46428
Cleveland

Port Tool, 4.063" L, 0.375" dia., Bright

Zoro # G4760828
Mfr # C46428
product price: 
$130.99
/ea
Keo Counterbore, Decimal Inch, 5 in 902-000-150
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G421725626
Mfr # 902-000-150
product price: 
$109.99
/ea
Cleveland Port Tool, 4.313" L, 0.437" dia., Bright C46430
Cleveland

Port Tool, 4.313" L, 0.437" dia., Bright

Zoro # G4860873
Mfr # C46430
product price: 
$141.99
/ea
Super Tool Counterbore, 13/32" D, Carbide Tipped 5794062
Super Tool

Counterbore, 13/32" D, Carbide Tipped

Zoro # G0330053
Mfr # 5794062
product price: 
$114.99
/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: 
$152.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0394" 2541M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0394"

Zoro # G7161037
Mfr # 2541M-C3
product price: 
$71.89
/ea
Cleveland Counterbore, 1.375" L, 0.094" dia., Bright C46554
Cleveland

Counterbore, 1.375" L, 0.094" dia., Bright

Zoro # G4827897
Mfr # C46554
product price: 
$30.15
/ea
Garant Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 6.5X2.9 mm 156220 6,5X2,9
Garant

Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 6.5X2.9 mm

Zoro # G814376060
Mfr # 156220 6,5X2,9
product price: 
$25.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 26 mm 156620 10X26
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 26 mm

Zoro # G614389789
Mfr # 156620 10X26
product price: 
$46.79
/ea
Counterbores (927 items) - Page 26
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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 BitsCountersinksTap Sets
Square End MillsAuger Drill BitsDrill Bit SetsCenter DrillsHex Dies
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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