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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

Porting Tools & Counterbores (999 items) - Page 10

Harvey Tool Counterbores - Flat Bottom, 0.1875" (3/16), Overall Length: 2" 23412-C6
Harvey Tool

Counterbores - Flat Bottom, 0.1875" (3/16), Overall Length: 2"

Zoro # G7153206
Mfr # 23412-C6
product price:  $60.49
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1181" 2343M
Harvey Tool

Counterbores - Flat Bottom, 0.1181"

Zoro # G7161420
Mfr # 2343M
product price:  $48.79
/ea
Cleveland Port Tool, 3.813" L, 0.312" dia., Bright C46426
Cleveland

Port Tool, 3.813" L, 0.312" dia., Bright

Zoro # G4766933
Mfr # C46426
product price:  $119.99
/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:  $28.79
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 5/16-24 UNJF MS33649-2R
Scientific Cutting Tools

Port Tool, MS33649, Reamer, 5/16-24 UNJF

Zoro # G8208864
Mfr # MS33649-2R
product price:  $174.99
/ea
Cleveland Counterbore, 1.625" L, 0.156" dia., Bright C46550
Cleveland

Counterbore, 1.625" L, 0.156" dia., Bright

Zoro # G4759732
Mfr # C46550
product price:  $30.29
/ea
Scientific Cutting Tools Port Tool, RPT, Reamer, 1 1/8-18 UNJEF RPT-16
Scientific Cutting Tools

Port Tool, RPT, Reamer, 1 1/8-18 UNJEF

Zoro # G7876495
Mfr # RPT-16
product price:  $272.99
/ea
Cleveland Counterbore, 1.562" L, 0.094" dia., Bright C46314
Cleveland

Counterbore, 1.562" L, 0.094" dia., Bright

Zoro # G4856971
Mfr # C46314
product price:  $28.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2656" (17/64) 23417-C3
Harvey Tool

Counterbores - Flat Bottom, 0.2656" (17/64)

Zoro # G7149575
Mfr # 23417-C3
product price:  $92.45
/ea
Scientific Cutting Tools Port Tool, MS33649, Solid, 1 5/8-12 UNJ MS33649-20S
Scientific Cutting Tools

Port Tool, MS33649, Solid, 1 5/8-12 UNJ

Zoro # G7944894
Mfr # MS33649-20S
product price:  $384.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0787" 2542M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0787"

Zoro # G7253960
Mfr # 2542M-C3
product price:  $69.95
/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:  $299.99
/ea
Drill America No 3 .098mm Machine Screw Solid Counterbore DEWCBRSOL3
Drill America

No 3 .098mm Machine Screw Solid Counterbore

Zoro # G1739756
Mfr # DEWCBRSOL3
product price:  $12.89
/ea
Keo Counterbore, 1/64 Clearance, Size No 5, Co 902-000-005
Keo

Counterbore, 1/64 Clearance, Size No 5, Co

Zoro # G1612362
Mfr # 902-000-005
product price:  $51.29
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0700", Flute Length: 0.2800" 23370
Harvey Tool

Counterbores - Flat Bottom, 0.0700", Flute Length: 0.2800"

Zoro # G7154280
Mfr # 23370
product price:  $48.79
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0937" (3/32) 25493-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0937" (3/32)

Zoro # G7254618
Mfr # 25493-C3
product price:  $71.89
/ea
Keo Counterbore, 1/32 Clearance, Size No 8, Co 902-000-012
Keo

Counterbore, 1/32 Clearance, Size No 8, Co

Zoro # G2999105
Mfr # 902-000-012
product price:  $62.39
/ea
Cleveland Counterbore, 1.437" L, 0.250" dia., Bright C46629
Cleveland

Counterbore, 1.437" L, 0.250" dia., Bright

Zoro # G4802030
Mfr # C46629
product price:  $48.39
/ea
Cleveland Port Tool, 4.313" L, 0.500" dia., Bright C46432
Cleveland

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

Zoro # G4831519
Mfr # C46432
product price:  $145.99
/ea
Cleveland Counterbore, 1.687" L, 0.156" dia., Bright C46571
Cleveland

Counterbore, 1.687" L, 0.156" dia., Bright

Zoro # G4760469
Mfr # C46571
product price:  $29.99
/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:  $25.89
/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:  $174.99
/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
Cleveland Counterbore, 6.000" L, 0.438" dia., Bright C92708
Cleveland

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

Zoro # G4864102
Mfr # C92708
product price:  $134.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0550" 23355
Harvey Tool

Counterbores - Flat Bottom, 0.0550"

Zoro # G7157564
Mfr # 23355
product price:  $48.79
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1875" (3/16) 25512-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1875" (3/16)

Zoro # G7260190
Mfr # 25512-C3
product price:  $85.09
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1562" (5/32) 23410-C3
Harvey Tool

Counterbores - Flat Bottom, 0.1562" (5/32)

Zoro # G7155306
Mfr # 23410-C3
product price:  $55.45
/ea
Harvey Tool Counterbores - Flat Bottom 2345M-C6
Harvey Tool

Counterbores - Flat Bottom

Zoro # G904195397
Mfr # 2345M-C6
product price:  $66.39
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2500" (1/4), Material - Machining: Carbide 23416
Harvey Tool

Counterbores - Flat Bottom, 0.2500" (1/4), Material - Machining: Carbide

Zoro # G7153924
Mfr # 23416
product price:  $64.05
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3437" (11/32) 23422-C3
Harvey Tool

Counterbores - Flat Bottom, 0.3437" (11/32)

Zoro # G7157135
Mfr # 23422-C3
product price:  $99.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0937" (3/32) 23393-C3
Harvey Tool

Counterbores - Flat Bottom, 0.0937" (3/32)

Zoro # G7149590
Mfr # 23393-C3
product price:  $57.19
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46893
Cleveland

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

Zoro # G4845668
Mfr # C46893
product price:  $99.89
/ea
Harvey Tool Counterbores - Flat Bottom, 0.6875" (11/16) 23444-C3
Harvey Tool

Counterbores - Flat Bottom, 0.6875" (11/16)

Zoro # G7258714
Mfr # 23444-C3
product price:  $390.99
/ea
Keo Counterbore, Close Fit, Size 7/8, Cobalt 902-000-037
Keo

Counterbore, Close Fit, Size 7/8, Cobalt

Zoro # G1600033
Mfr # 902-000-037
product price:  $308.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1968", Flute Length: 3/4" 2345M
Harvey Tool

Counterbores - Flat Bottom, 0.1968", Flute Length: 3/4"

Zoro # G7242937
Mfr # 2345M
product price:  $61.19
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0394" 2541M
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0394"

Zoro # G7161807
Mfr # 2541M
product price:  $58.69
/ea
Porting Tools & Counterbores (999 items) - Page 10
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About Porting Tools & Counterbores

Porting Tools & Counterbores are used to improve the flow of air or gas in an engine, turbine, compressor, and more. They are typically used to reduce turbulence in the airflow and increase performance.

Types of Porting Tools & Counterbores

Chainsaw porting tools are commonly used for small engines like lawnmowers, as they can be adjusted easily and quickly. Ported tools are designed for larger engines such as those found in cars and motorcycles. Porting supplies include special cutting tools that allow for precise modifications to be made with minimal effort.

How Porting Tools & Counterbores are Made

Porting tools are usually constructed from hardened steel or aluminum alloy materials that can withstand high temperatures and pressures associated with engine operations. Special compounds may also be applied during the manufacturing process to ensure optimal performance.

Industries that use Porting Tools & Counterbores

Porting Tools & Counterbores can be found in a variety of industries including automotive, aerospace, marine, industrial machinery, and power sports. Professionals such as mechanics, engineers, machinists, technicians often use these tools on the job.

Find the Porting Tools & Counterbores 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 Porting Tools & Counterbores 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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