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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 9

Harvey Tool Counterbores - Flat Bottom 2345M-C6
Harvey Tool

Counterbores - Flat Bottom

Zoro # G904195397
Mfr # 2345M-C6
product price: 
$77.35
/ea
Keo Counterbore, Decimal Inch, 6 in 902-000-153
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G921726390
Mfr # 902-000-153
product price: 
$125.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2362" 2556M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.2362"

Zoro # G7164817
Mfr # 2556M-C3
product price: 
$121.99
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-330
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G621725716
Mfr # 902-000-330
product price: 
$61.49
/ea
Keo Counterbore, Metric, 100 mm 902-000-264
Keo

Counterbore, Metric, 100 mm

Zoro # G921727458
Mfr # 902-000-264
product price: 
$112.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0700" 23370-C3
Harvey Tool

Counterbores - Flat Bottom, 0.0700"

Zoro # G7149365
Mfr # 23370-C3
product price: 
$58.49
/ea
Keo Counterbore, Decimal Inch, 5 in 902-000-308
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G721725975
Mfr # 902-000-308
product price: 
$127.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.3150" 2558M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.3150"

Zoro # G7247006
Mfr # 2558M-C3
product price: 
$171.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2187" (7/32), Number of Flutes: 4 25514
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.2187" (7/32), Number of Flutes: 4

Zoro # G7261444
Mfr # 25514
product price: 
$105.99
/ea
Keo Counterbore, Metric, 100 mm 902-000-252
Keo

Counterbore, Metric, 100 mm

Zoro # G221725246
Mfr # 902-000-252
product price: 
$98.89
/ea
Drill America 9/16" X 1/2" Pilots for Counterbore DEWPIL9/16X1/2
Drill America

9/16" X 1/2" Pilots for Counterbore

Zoro # G1746038
Mfr # DEWPIL9/16X1/2
product price: 
$8.45
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2812" (9/32) 25518-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.2812" (9/32)

Zoro # G7161956
Mfr # 25518-C3
product price: 
$142.99
/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: 
$51.29
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.3125" (5/16) 25520-C3
Harvey Tool

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

Zoro # G7166034
Mfr # 25520-C3
product price: 
$137.99
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-326
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G621727291
Mfr # 902-000-326
product price: 
$65.79
/ea
Keo Counterbore, Metric, 71 mm 902-000-219
Keo

Counterbore, Metric, 71 mm

Zoro # G621726607
Mfr # 902-000-219
product price: 
$62.29
/ea
Keo Counterbore, Metric, 71 mm 902-000-210
Keo

Counterbore, Metric, 71 mm

Zoro # G821726780
Mfr # 902-000-210
product price: 
$59.29
/ea
Keo Counterbore, Decimal Inch, 7 in 902-000-298
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G221724652
Mfr # 902-000-298
product price: 
$432.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1094" (7/64) 23407-C3
Harvey Tool

Counterbores - Flat Bottom, 0.1094" (7/64)

Zoro # G7152436
Mfr # 23407-C3
product price: 
$60.15
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-078
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G821726254
Mfr # 902-000-078
product price: 
$56.29
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 15X9 mm 156020 15X9
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 15X9 mm

Zoro # G314389669
Mfr # 156020 15X9
product price: 
$35.49
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 6.5X3.2 mm 156020 6,5X3,2
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 6.5X3.2 mm

Zoro # G514389612
Mfr # 156020 6,5X3,2
product price: 
$25.55
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0781" (5/64) 25478-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0781" (5/64)

Zoro # G7242919
Mfr # 25478-C3
product price: 
$71.89
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1181", Shank Dia.: 1/8" 2553M
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1181", Shank Dia.: 1/8"

Zoro # G7263359
Mfr # 2553M
product price: 
$62.69
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2656" (17/64) 25517-C3
Harvey Tool

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

Zoro # G7166436
Mfr # 25517-C3
product price: 
$137.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.4724" 23476-C3
Harvey Tool

Counterbores - Flat Bottom, 0.4724"

Zoro # G7253988
Mfr # 23476-C3
product price: 
$174.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0550" 23355
Harvey Tool

Counterbores - Flat Bottom, 0.0550"

Zoro # G7157564
Mfr # 23355
product price: 
$51.29
/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
Keo Counterbore, Metric, 100 mm 902-000-249
Keo

Counterbore, Metric, 100 mm

Zoro # G221725697
Mfr # 902-000-249
product price: 
$80.19
/ea
Keo Counterbore, Metric, 80 mm 902-000-234
Keo

Counterbore, Metric, 80 mm

Zoro # G821726940
Mfr # 902-000-234
product price: 
$75.39
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2656" (17/64) 25517
Harvey Tool

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

Zoro # G7245439
Mfr # 25517
product price: 
$129.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0937" (3/32) 23393
Harvey Tool

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

Zoro # G7149198
Mfr # 23393
product price: 
$51.29
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-329
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G821726063
Mfr # 902-000-329
product price: 
$63.39
/ea
Drill America No 12 .215mm Machine Screw Solid Counterbore DEWCBRSOL12
Drill America

No 12 .215mm Machine Screw Solid Counterbore

Zoro # G1739564
Mfr # DEWCBRSOL12
product price: 
$16.25
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0625" (1/16) 23362-C3
Harvey Tool

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

Zoro # G7253050
Mfr # 23362-C3
product price: 
$61.15
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1181" 2343M
Harvey Tool

Counterbores - Flat Bottom, 0.1181"

Zoro # G7161420
Mfr # 2343M
product price: 
$51.29
/ea
Porting Tools & Counterbores (993 items) - Page 9
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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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pilot counterboremetric counterboreinterchangeable pilot counterbore5/8 counterborecounter bore pilot
1-1/4 in counterborehigh speed steelcounterbores - flat bottommetric shcscounter bore set

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