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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 (993 items) - Page 3

Garant Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 8X3.3 mm 156220 8X3,3
Garant

Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 8X3.3 mm

Zoro # G014376389
Mfr # 156220 8X3,3
product price:  $23.39
/ea
Scientific Cutting Tools Port Tool, 1-5/8"-12, 2-1/4 in, Straight MS16142-20R
Scientific Cutting Tools

Port Tool, 1-5/8"-12, 2-1/4 in, Straight

Zoro # G8367335
Mfr # MS16142-20R
product price:  $340.99
/ea
Scientific Cutting Tools PortTool, 1-1/16"-12, 2-1/8in, Straight MS16142-12S
Scientific Cutting Tools

PortTool, 1-1/16"-12, 2-1/8in, Straight

Zoro # G7860352
Mfr # MS16142-12S
product price:  $260.99
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 3/8-24 UNJF MS33649-3R
Scientific Cutting Tools

Port Tool, MS33649, Reamer, 3/8-24 UNJF

Zoro # G8163811
Mfr # MS33649-3R
product price:  $194.99
/ea
Scientific Cutting Tools Port Tool, MS33649, Solid, 7/16-20 UNJF MS33649-4S
Scientific Cutting Tools

Port Tool, MS33649, Solid, 7/16-20 UNJF

Zoro # G7850857
Mfr # MS33649-4S
product price:  $204.99
/ea
Garant Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 18X8.5 mm 156220 18X8,5
Garant

Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 18X8.5 mm

Zoro # G414375555
Mfr # 156220 18X8,5
product price:  $44.59
/ea
Harvey Tool 3/16 Cutter dia. x .75  in. 3/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 23412-C8
Harvey Tool

3/16 Cutter dia. x .75 in. 3/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G711326403
Mfr # 23412-C8
product price:  $58.19
/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:  $13.65
/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:  $13.29
/ea
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
Super Tool Reduced Shank Counterbore, 1" D 52232
Super Tool

Reduced Shank Counterbore, 1" D

Zoro # G0331289
Mfr # 52232
product price:  $142.13
/ea
Scientific Cutting Tools PortTool, 1-3/16"-12, 2-1/4in, Straight MS16142-14R
Scientific Cutting Tools

PortTool, 1-3/16"-12, 2-1/4in, Straight

Zoro # G8099795
Mfr # MS16142-14R
product price:  $299.99
/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
Scientific Cutting Tools Port Tool, 1-7/8"-12, 2-1/4 in, Straight MS16142-24R
Scientific Cutting Tools

Port Tool, 1-7/8"-12, 2-1/4 in, Straight

Zoro # G7885936
Mfr # MS16142-24R
product price:  $508.99
/ea
Keo Counterbore, 1/32 Clearance, Size 3/4, Co 902-000-035
Keo

Counterbore, 1/32 Clearance, Size 3/4, Co

Zoro # G3346673
Mfr # 902-000-035
product price:  $244.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3281" (21/64) 23421
Harvey Tool

Counterbores - Flat Bottom, 0.3281" (21/64)

Zoro # G7148604
Mfr # 23421
product price:  $94.39
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3125" (5/16) 23420-C3
Harvey Tool

Counterbores - Flat Bottom, 0.3125" (5/16)

Zoro # G7155096
Mfr # 23420-C3
product price:  $95.69
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.3750" (3/8), Number of Flutes: 4 25524
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.3750" (3/8), Number of Flutes: 4

Zoro # G7260297
Mfr # 25524
product price:  $144.99
/ea
Garant Mini Counterbore for Through Holes, 180 Deg, Uncoated, 4.3X2.2 mm 155600 4,3X2,2
Garant

Mini Counterbore for Through Holes, 180 Deg, Uncoated, 4.3X2.2 mm

Zoro # G014389792
Mfr # 155600 4,3X2,2
product price:  $30.99
/ea
Harvey Tool 0.4375 in. 7/16 Cutter dia. x 1 in. 1 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731628-C3
Harvey Tool

0.4375 in. 7/16 Cutter dia. x 1 in. 1 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated

Zoro # G511325422
Mfr # 731628-C3
product price:  $146.99
/ea
Drill America 1/2" X 3/8" Pilots for Counterbore DEWPIL1/2X3/8
Drill America

1/2" X 3/8" Pilots for Counterbore

Zoro # G1747176
Mfr # DEWPIL1/2X3/8
product price:  $8.29
/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
Harvey Tool Counterbores - Flat Bottom, 0.0625" (1/16) 23362
Harvey Tool

Counterbores - Flat Bottom, 0.0625" (1/16)

Zoro # G7242858
Mfr # 23362
product price:  $51.29
/ea
Drill America 3/8" HSS Solid Counterbore DEWCBRSOL3/8
Drill America

3/8" HSS Solid Counterbore

Zoro # G1739500
Mfr # DEWCBRSOL3/8
product price:  $24.15
/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:  $9.15
/ea
Harvey Tool 1/4 in. Cutter dia. x7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731616-C3
Harvey Tool

1/4 in. Cutter dia. x7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated

Zoro # G111325242
Mfr # 731616-C3
product price:  $79.89
/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:  $94.15
/ea
Super Tool Reduced Shank Counterbore, 1/4" D 52208
Super Tool

Reduced Shank Counterbore, 1/4" D

Zoro # G0331541
Mfr # 52208
product price:  $72.49
/ea
Keo Counterbore, 1/64 Clearance, Size 5/8, Co 902-000-032
Keo

Counterbore, 1/64 Clearance, Size 5/8, Co

Zoro # G3372582
Mfr # 902-000-032
product price:  $142.99
/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:  $182.99
/ea
Scientific Cutting Tools Port Tool, 2-1/2"-12, 2-1/2 in, Straight MS16142-32R
Scientific Cutting Tools

Port Tool, 2-1/2"-12, 2-1/2 in, Straight

Zoro # G8077185
Mfr # MS16142-32R
product price:  $539.99
/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
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
Scientific Cutting Tools Port Tool, 2-1/2"-12, 2-1/2 in, Straight MS16142-32S
Scientific Cutting Tools

Port Tool, 2-1/2"-12, 2-1/2 in, Straight

Zoro # G8167844
Mfr # MS16142-32S
product price:  $499.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Reamer, 1/2-20 UNF MS16142-5R
Scientific Cutting Tools

Port Tool, MS16142, Reamer, 1/2-20 UNF

Zoro # G8233766
Mfr # MS16142-5R
product price:  $221.99
/ea
Hhip No 6 X .150" High Speed Steel 3 Flute Solid Pilot Counterbore 2007-0006
Hhip

No 6 X .150" High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2467983
Mfr # 2007-0006
product price:  $10.19
/ea
Porting Tools & Counterbores (993 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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1-1/4 in counterborescientific cutting toolscounterbores - flat bottompilot counterborecounter bore pilot

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