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  1. Home
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  5. Cutting Tools
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  7. Porting Tools & Counterbores

Porting Tools & Counterbores (993 items) - Page 27

Super Tool Counterbore, 1" D, Carbide Tipped 56413
Super Tool

Counterbore, 1" D, Carbide Tipped

Zoro # G0329870
Mfr # 56413
product price: 
$148.99
/ea
Garant Counterbore with Interchangeable Pilot Pins, 20 mm 156520 20
Garant

Counterbore with Interchangeable Pilot Pins, 20 mm

Zoro # G014389853
Mfr # 156520 20
product price: 
$112.99
/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: 
$140.99
/ea
Keo Counterbore, Metric, 100 mm 902-000-243
Keo

Counterbore, Metric, 100 mm

Zoro # G621725938
Mfr # 902-000-243
product price: 
$85.79
/ea
Cleveland Counterbore, 1.750" L, 0.250" dia., Bright C46557
Cleveland

Counterbore, 1.750" L, 0.250" dia., Bright

Zoro # G4803187
Mfr # C46557
product price: 
$33.39
/ea
Cleveland Port Tool, 6.125" L, 0.750" dia., Bright C46445
Cleveland

Port Tool, 6.125" L, 0.750" dia., Bright

Zoro # G4796747
Mfr # C46445
product price: 
$198.99
/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: 
$169.99
/ea
Internal Tool A Nc-515-562 N/C Counterbore 85-5151
Internal Tool

A Nc-515-562 N/C Counterbore

Zoro # G100402497
Mfr # 85-5151
product price: 
$232.99
/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: 
$66.79
/ea
Internal Tool A Nc-531-562 N/C Counterbore 85-5311
Internal Tool

A Nc-531-562 N/C Counterbore

Zoro # G400402524
Mfr # 85-5311
product price: 
$226.99
/ea
Harvey Tool 0.0625 in. 1/16 Cutter dia x 0.25in. 1/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731562
Harvey Tool

0.0625 in. 1/16 Cutter dia x 0.25in. 1/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G811325023
Mfr # 731562
product price: 
$54.79
/ea
Harvey Tool Counterbores-Flat Bottom, 676732-C3, AlTiN, 1/2" Cutter Diameter, 1-1/2" Flute Length 676732-C3
Harvey Tool

Counterbores-Flat Bottom, 676732-C3, AlTiN, 1/2" Cutter Diameter, 1-1/2" Flute Length

Zoro # G122920757
Mfr # 676732-C3
product price: 
$184.99
/ea
Cleveland Pilot for Counterbores, 3/32 in, 3/32 in C46520
Cleveland

Pilot for Counterbores, 3/32 in, 3/32 in

Zoro # G4758658
Mfr # C46520
product price: 
$27.29
/ea
Internal Tool A Nc-609-625 N/C Counterbore 85-6091
Internal Tool

A Nc-609-625 N/C Counterbore

Zoro # G100402503
Mfr # 85-6091
product price: 
$331.99
/ea
Garant Counterbore with Interchangeable Pilot Pins, 18 mm 156520 18
Garant

Counterbore with Interchangeable Pilot Pins, 18 mm

Zoro # G314389881
Mfr # 156520 18
product price: 
$106.99
/ea
Link 1/4" 3Xd HSS Se .280 X .840 Drill .406 Cbore 3/8 Shank 2-3/4 Oal 50-L2-384
Link

1/4" 3Xd HSS Se .280 X .840 Drill .406 Cbore 3/8 Shank 2-3/4 Oal

Zoro # G7636084
Mfr # 50-L2-384
product price: 
$40.25
/ea
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
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 22 mm 156620 10X22
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 22 mm

Zoro # G014389815
Mfr # 156620 10X22
product price: 
$47.45
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 1/2-20 UNJF MS33649-5R
Scientific Cutting Tools

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

Zoro # G7974556
Mfr # MS33649-5R
product price: 
$278.99
/ea
Harvey Tool 0.3125 in. 5/16 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731620
Harvey Tool

0.3125 in. 5/16 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G011325267
Mfr # 731620
product price: 
$86.29
/ea
Keo Counterbore, Decimal Inch, 5 in 902-000-309
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G221725109
Mfr # 902-000-309
product price: 
$127.99
/ea
Super Tool Counterbore, 1-1/8" D, Carbide Tipped 56415
Super Tool

Counterbore, 1-1/8" D, Carbide Tipped

Zoro # G0329940
Mfr # 56415
product price: 
$144.99
/ea
Link 16MM Co 3Fl 16.8 Pilot X 24.8 Cbore 12.7 Shank X 150 Oal 75-CO-528
Link

16MM Co 3Fl 16.8 Pilot X 24.8 Cbore 12.7 Shank X 150 Oal

Zoro # G7636206
Mfr # 75-CO-528
product price: 
$131.99
/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: 
$34.69
/ea
Link No 8 Co 3Fl 0.195 Pilot X 0.304 Cbore 1/4" Shank X 4" Oal 50-CO-182
Link

No 8 Co 3Fl 0.195 Pilot X 0.304 Cbore 1/4" Shank X 4" Oal

Zoro # G7639959
Mfr # 50-CO-182
product price: 
$64.95
/ea
Keo Counterbore, Metric, 100 mm 902-000-258
Keo

Counterbore, Metric, 100 mm

Zoro # G421725374
Mfr # 902-000-258
product price: 
$92.19
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1575" 2554M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1575"

Zoro # G7164835
Mfr # 2554M-C3
product price: 
$85.89
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 14 mm 156620 10X14
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 14 mm

Zoro # G514389735
Mfr # 156620 10X14
product price: 
$47.45
/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
Harvey Tool 0.5000 in. 1/2 Cutter dia x 1.0000 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731632
Harvey Tool

0.5000 in. 1/2 Cutter dia x 1.0000 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G011325441
Mfr # 731632
product price: 
$164.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2500" (1/4) 25516-C3
Harvey Tool

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

Zoro # G7248178
Mfr # 25516-C3
product price: 
$114.99
/ea
Harvey Tool 1/16 Cutter dia. x 1/4 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated 23362-C8
Harvey Tool

1/16 Cutter dia. x 1/4 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated

Zoro # G711326380
Mfr # 23362-C8
product price: 
$58.79
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2187" (7/32) 23414-C3
Harvey Tool

Counterbores - Flat Bottom, 0.2187" (7/32)

Zoro # G7259204
Mfr # 23414-C3
product price: 
$79.39
/ea
Harvey Tool 0.2900'' Cutter DIA x 0.8750'', 7/8 Flute Length - 4 FL 23689
Harvey Tool

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

Zoro # G913082206
Mfr # 23689
product price: 
$80.29
/ea
Harvey Tool 5/32 Cutter dia x 0.625 in. 5/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731610
Harvey Tool

5/32 Cutter dia x 0.625 in. 5/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G511325118
Mfr # 731610
product price: 
$52.39
/ea
Cleveland Counterbore, 3.000" L, 0.250" dia., Bright C91698
Cleveland

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

Zoro # G4793831
Mfr # C91698
product price: 
$118.99
/ea
Porting Tools & Counterbores (993 items) - Page 27
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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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high speed steelscientific cutting toolsmetric shcs1-1/4 in counterboremetric counterbore

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