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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 3

Cleveland Port Tool, 2.375" L, 0.250" dia., Bright C46886
Cleveland

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

Zoro # G4764151
Mfr # C46886
product price:  $84.69
/ea
Drill America No 8 .163mm Machine Screw Solid Counterbore DEWCBRSOL8
Drill America

No 8 .163mm Machine Screw Solid Counterbore

Zoro # G1739695
Mfr # DEWCBRSOL8
product price:  $12.65
/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:  $169.99
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 10X5.5 mm 156020 10X5,5
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 10X5.5 mm

Zoro # G114389555
Mfr # 156020 10X5,5
product price:  $21.49
/ea
Drill America 3/16" X 3/32" Pilots for Counterbore DEWPIL3/16X3/32
Drill America

3/16" X 3/32" Pilots for Counterbore

Zoro # G1746780
Mfr # DEWPIL3/16X3/32
product price:  $5.95
/ea
Sold in mult. of 2 for $11.90
Garant Mini Counterbore for Through Holes, 180 Deg, Uncoated, 3.3X1.7 mm 155700 3,3X1,7
Garant

Mini Counterbore for Through Holes, 180 Deg, Uncoated, 3.3X1.7 mm

Zoro # G914389700
Mfr # 155700 3,3X1,7
product price:  $30.99
/ea
Drill America No 2 .085mm Machine Screw Solid Counterbore DEWCBRSOL2
Drill America

No 2 .085mm Machine Screw Solid Counterbore

Zoro # G1744699
Mfr # DEWCBRSOL2
product price:  $8.65
/ea
Scientific Cutting Tools Port Tool, MS33649, Solid, 1 3/16-12 UNJ MS33649-14S
Scientific Cutting Tools

Port Tool, MS33649, Solid, 1 3/16-12 UNJ

Zoro # G8128251
Mfr # MS33649-14S
product price:  $269.99
/ea
Harvey Tool Counterbores - Flat Bottom 23350
Harvey Tool

Counterbores - Flat Bottom

Zoro # G201019020
Mfr # 23350
product price:  $44.79
/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:  $133.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2031" (13/64) 23413-C3
Harvey Tool

Counterbores - Flat Bottom, 0.2031" (13/64)

Zoro # G7153276
Mfr # 23413-C3
product price:  $74.85
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 13/16-16 UNJ MS33649-9R
Scientific Cutting Tools

Port Tool, MS33649, Reamer, 13/16-16 UNJ

Zoro # G8072136
Mfr # MS33649-9R
product price:  $262.99
/ea
Scientific Cutting Tools Port Tool, RPT, Reamer, 13/16-20 UNJEF RPT-12
Scientific Cutting Tools

Port Tool, RPT, Reamer, 13/16-20 UNJEF

Zoro # G7965054
Mfr # RPT-12
product price:  $245.99
/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:  $29.99
/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:  $235.99
/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:  $90.19
/ea
Cleveland Counterbore, 6.000" L, 0.438" dia., Bright C92706
Cleveland

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

Zoro # G4830082
Mfr # C92706
product price:  $134.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Reamer, 3/8-24 UNF MS16142-3R
Scientific Cutting Tools

Port Tool, MS16142, Reamer, 3/8-24 UNF

Zoro # G8362462
Mfr # MS16142-3R
product price:  $215.99
/ea
Drill America No 10 .189mm Machine Screw Solid Counterbore DEWCBRSOL10
Drill America

No 10 .189mm Machine Screw Solid Counterbore

Zoro # G1743999
Mfr # DEWCBRSOL10
product price:  $12.99
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 8X4.5 mm 156020 8X4,5
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 8X4.5 mm

Zoro # G114389470
Mfr # 156020 8X4,5
product price:  $19.79
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 1 5/16-12 UNJ MS33649-16R
Scientific Cutting Tools

Port Tool, MS33649, Reamer, 1 5/16-12 UNJ

Zoro # G7963611
Mfr # MS33649-16R
product price:  $347.99
/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:  $29.99
/ea
Scientific Cutting Tools Port Tool, MS33649, Solid, 1/2-20 UNJF MS33649-5S
Scientific Cutting Tools

Port Tool, MS33649, Solid, 1/2-20 UNJF

Zoro # G8037906
Mfr # MS33649-5S
product price:  $197.99
/ea
Harvey Tool 0.4220'', 27/64 Cutter DIA x 1.0000'', 1 Flute Length - 4 FL - AlTiN Coated 23427-C3
Harvey Tool

0.4220'', 27/64 Cutter DIA x 1.0000'', 1 Flute Length - 4 FL - AlTiN Coated

Zoro # G413081587
Mfr # 23427-C3
product price:  $127.99
/ea
Drill America No 5 .141 Continuous Pilot Capscrew Counterbore DEWCSCBR5
Drill America

No 5 .141 Continuous Pilot Capscrew Counterbore

Zoro # G1739640
Mfr # DEWCSCBR5
product price:  $25.15
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1719" (11/64) 25511-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1719" (11/64)

Zoro # G7242885
Mfr # 25511-C3
product price:  $81.69
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2500" (1/4) 23416-C6
Harvey Tool

Counterbores - Flat Bottom, 0.2500" (1/4)

Zoro # G7149356
Mfr # 23416-C6
product price:  $77.95
/ea
Garant Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 10X4.2 mm 156220 10X4,2
Garant

Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 10X4.2 mm

Zoro # G514375578
Mfr # 156220 10X4,2
product price:  $22.75
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3750" (3/8), Finish - Machining: Uncoated 23424
Harvey Tool

Counterbores - Flat Bottom, 0.3750" (3/8), Finish - Machining: Uncoated

Zoro # G7150920
Mfr # 23424
product price:  $94.65
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 10X5.3 mm 156020 10X5,3
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 10X5.3 mm

Zoro # G614389642
Mfr # 156020 10X5,3
product price:  $21.49
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 1/4-28 UNJF MS33649-1R
Scientific Cutting Tools

Port Tool, MS33649, Reamer, 1/4-28 UNJF

Zoro # G8170136
Mfr # MS33649-1R
product price:  $217.99
/ea
Harvey Tool Counterbores - Flat Bottom 23350-C3
Harvey Tool

Counterbores - Flat Bottom

Zoro # G401019455
Mfr # 23350-C3
product price:  $56.75
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2362" 2556M
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.2362"

Zoro # G7164799
Mfr # 2556M
product price:  $100.99
/ea
Scientific Cutting Tools Port Tool, MS33649, Solid, 1/4-28 UNJF MS33649-1S
Scientific Cutting Tools

Port Tool, MS33649, Solid, 1/4-28 UNJF

Zoro # G8261915
Mfr # MS33649-1S
product price:  $203.99
/ea
Harvey Tool 0.2900'' Cutter DIA x 0.8750'', 7/8 Flute Length - 4 FL - AlTiN Coated 23689-C3
Harvey Tool

0.2900'' Cutter DIA x 0.8750'', 7/8 Flute Length - 4 FL - AlTiN Coated

Zoro # G713082161
Mfr # 23689-C3
product price:  $86.95
/ea
Scientific Cutting Tools Port Tool, RPT, Reamer, 5/16-24 UNJF RPT-4
Scientific Cutting Tools

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

Zoro # G8154501
Mfr # RPT-4
product price:  $251.99
/ea
Porting Tools & Counterbores (999 items) - Page 3
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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.

Related Categories

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