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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 7

Harvey Tool Counterbores - Flat Bottom, 0.3594" (23/64), Material - Machining: Carbide 23423
Harvey Tool

Counterbores - Flat Bottom, 0.3594" (23/64), Material - Machining: Carbide

Zoro # G7155139
Mfr # 23423
product price: 
$98.29
/ea
Scientific Cutting Tools Port Tool, RPT, Reamer, 3/8-24 UNJF RPT-5
Scientific Cutting Tools

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

Zoro # G8145006
Mfr # RPT-5
product price: 
$282.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0312" (1/32), Shank Dia.: 1/8" 25431
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0312" (1/32), Shank Dia.: 1/8"

Zoro # G7257244
Mfr # 25431
product price: 
$64.19
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0625" (1/16) 25462-C3
Harvey Tool

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

Zoro # G7256964
Mfr # 25462-C3
product price: 
$71.19
/ea
Scientific Cutting Tools Port Tool, RPT, Reamer, 1/4-28 UNJF RPT-3
Scientific Cutting Tools

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

Zoro # G7863694
Mfr # RPT-3
product price: 
$353.99
/ea
Keo Counterbore, Close Fit, Size No 4, Cobalt 902-000-001
Keo

Counterbore, Close Fit, Size No 4, Cobalt

Zoro # G1364081
Mfr # 902-000-001
product price: 
$55.29
/ea
Harvey Tool Counterbores - Flat Bottom 23320-C3
Harvey Tool

Counterbores - Flat Bottom

Zoro # G601020039
Mfr # 23320-C3
product price: 
$59.59
/ea
Harvey Tool Counterbores - Flat Bottom, 0.5000" (1/2) 23432
Harvey Tool

Counterbores - Flat Bottom, 0.5000" (1/2)

Zoro # G7160504
Mfr # 23432
product price: 
$150.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1181", Number of Flutes: 4 2343M-C3
Harvey Tool

Counterbores - Flat Bottom, 0.1181", Number of Flutes: 4

Zoro # G7164765
Mfr # 2343M-C3
product price: 
$60.99
/ea
Scientific Cutting Tools Port Tool, 1-7/8"-12, 2-1/4 in, Straight MS16142-24S
Scientific Cutting Tools

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

Zoro # G8070343
Mfr # MS16142-24S
product price: 
$539.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.5000" (1/2) 25532-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.5000" (1/2)

Zoro # G7167048
Mfr # 25532-C3
product price: 
$237.99
/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: 
$307.99
/ea
Scientific Cutting Tools PortTool, 1-3/16"-12, 2-1/4in, Straight MS16142-14S
Scientific Cutting Tools

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

Zoro # G8051522
Mfr # MS16142-14S
product price: 
$308.99
/ea
Scientific Cutting Tools Port Tool, RPT, Reamer, 1 5/16-18 UNJF RPT-20
Scientific Cutting Tools

Port Tool, RPT, Reamer, 1 5/16-18 UNJF

Zoro # G8012916
Mfr # RPT-20
product price: 
$435.99
/ea
Keo No 6 through 1/2" +1/32 Oversize Kounterbore Set 902-000-042
Keo

No 6 through 1/2" +1/32 Oversize Kounterbore Set

Zoro # G2600656
Mfr # 902-000-042
product price: 
$577.99
/ea
Scientific Cutting Tools PortTool, 1-5/16"-12, 2-1/4in, Straight MS16142-16S
Scientific Cutting Tools

PortTool, 1-5/16"-12, 2-1/4in, Straight

Zoro # G7937352
Mfr # MS16142-16S
product price: 
$349.99
/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
Garant Counterbore with Interchangeable Pilot Pins, 15 mm 156520 15
Garant

Counterbore with Interchangeable Pilot Pins, 15 mm

Zoro # G414389903
Mfr # 156520 15
product price: 
$103.99
/ea
Harvey Tool 3/16 Cutter dia. x .75 in. 3/4 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731612-C3
Harvey Tool

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

Zoro # G011325069
Mfr # 731612-C3
product price: 
$61.15
/ea
Harvey Tool Counterbores - Flat Bottom 23411-C6
Harvey Tool

Counterbores - Flat Bottom

Zoro # G804195398
Mfr # 23411-C6
product price: 
$61.49
/ea
Keo Counterbore, 1/64 Clearance, Size 1/4, Co 902-000-017
Keo

Counterbore, 1/64 Clearance, Size 1/4, Co

Zoro # G1279327
Mfr # 902-000-017
product price: 
$74.39
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 7/8-14 UNJF MS33649-10R
Scientific Cutting Tools

Port Tool, MS33649, Reamer, 7/8-14 UNJF

Zoro # G8281987
Mfr # MS33649-10R
product price: 
$301.99
/ea
Keo Counterbore, Close Fit, Size 3/8, Cobalt 902-000-022
Keo

Counterbore, Close Fit, Size 3/8, Cobalt

Zoro # G2453586
Mfr # 902-000-022
product price: 
$91.89
/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
Keo Counterbore, Close Fit, Size 1/2, Cobalt 902-000-028
Keo

Counterbore, Close Fit, Size 1/2, Cobalt

Zoro # G0746645
Mfr # 902-000-028
product price: 
$102.99
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46898
Cleveland

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

Zoro # G4821113
Mfr # C46898
product price: 
$141.99
/ea
Cleveland Counterbore, 6.000" L, 0.438" dia., Bright C92707
Cleveland

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

Zoro # G4791409
Mfr # C92707
product price: 
$159.99
/ea
Kodiak Cutting Tools 1/2 Counterbore On Size Capscrew Style 5495754
Kodiak Cutting Tools

1/2 Counterbore On Size Capscrew Style

Zoro # G8659588
Mfr # 5495754
product price: 
$100.99
/ea
Kodiak Cutting Tools No. 3/8 Counterbores On Size Capscrew Style 5495732
Kodiak Cutting Tools

No. 3/8 Counterbores On Size Capscrew Style

Zoro # G8659125
Mfr # 5495732
product price: 
$74.99
/ea
Kodiak Cutting Tools No. 5 Counterbores 1/64 Oversize Capscrew Style 5495820
Kodiak Cutting Tools

No. 5 Counterbores 1/64 Oversize Capscrew Style

Zoro # G8614849
Mfr # 5495820
product price: 
$40.35
/ea
Kodiak Cutting Tools No. 5/16 Counterbores 1/64 Oversize Capscrew Style 5495875
Kodiak Cutting Tools

No. 5/16 Counterbores 1/64 Oversize Capscrew Style

Zoro # G8614815
Mfr # 5495875
product price: 
$70.55
/ea
Keo Counterbore Set, 7, Fractional Inch 902-000-292
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G621726478
Mfr # 902-000-292
product price: 
$647.99
/ea
Kodiak Cutting Tools No. 4 Counterbores 1/32 Oversize Capscrew Style 5495963
Kodiak Cutting Tools

No. 4 Counterbores 1/32 Oversize Capscrew Style

Zoro # G8627677
Mfr # 5495963
product price: 
$43.85
/ea
Kodiak Cutting Tools 7/16 Counterbore 1/64 Oversize Capscrew Style 5495897
Kodiak Cutting Tools

7/16 Counterbore 1/64 Oversize Capscrew Style

Zoro # G8630109
Mfr # 5495897
product price: 
$84.55
/ea
Kodiak Cutting Tools No. 6 Counterbores On Size Capscrew Style 5495677
Kodiak Cutting Tools

No. 6 Counterbores On Size Capscrew Style

Zoro # G8653279
Mfr # 5495677
product price: 
$48.55
/ea
Kodiak Cutting Tools No. 3/4 Counterbores On Size Capscrew Style 5495776
Kodiak Cutting Tools

No. 3/4 Counterbores On Size Capscrew Style

Zoro # G8619855
Mfr # 5495776
product price: 
$190.99
/ea
Porting Tools & Counterbores (993 items) - Page 7
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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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5/8 counterborescientific cutting toolspilot counterborecounter bore setmetric shcs
1-1/4 in counterborecounterbores - flat bottomcounter bore pilotmetric counterborehigh speed steel

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