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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 14

Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-126
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G421726708
Mfr # 902-000-126
product price: 
$76.79
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-319
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G021725804
Mfr # 902-000-319
product price: 
$78.19
/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, Decimal Inch, 7 in 902-000-299
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G921726024
Mfr # 902-000-299
product price: 
$306.99
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-323
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G621727673
Mfr # 902-000-323
product price: 
$71.15
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0900" 23390
Harvey Tool

Counterbores - Flat Bottom, 0.0900"

Zoro # G7253954
Mfr # 23390
product price: 
$51.29
/ea
Keo Counterbore, 1/64 Clearance, Size No 4, Co 902-000-002
Keo

Counterbore, 1/64 Clearance, Size No 4, Co

Zoro # G0903585
Mfr # 902-000-002
product price: 
$54.25
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 11X6.4 mm 156020 11X6,4
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 11X6.4 mm

Zoro # G414389675
Mfr # 156020 11X6,4
product price: 
$23.99
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 20X13 mm 156020 20X13
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 20X13 mm

Zoro # G914389526
Mfr # 156020 20X13
product price: 
$48.99
/ea
Keo Counterbore, Decimal Inch, 6 in 902-000-305
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G121727098
Mfr # 902-000-305
product price: 
$146.99
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-320
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G321725061
Mfr # 902-000-320
product price: 
$74.89
/ea
Keo Counterbore, Metric, 80 mm 902-000-240
Keo

Counterbore, Metric, 80 mm

Zoro # G421726678
Mfr # 902-000-240
product price: 
$75.39
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-333
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G421725886
Mfr # 902-000-333
product price: 
$57.29
/ea
Harvey Tool Counterbores - Flat Bottom, 0.4062" (13/32) 23426
Harvey Tool

Counterbores - Flat Bottom, 0.4062" (13/32)

Zoro # G7156730
Mfr # 23426
product price: 
$117.99
/ea
Keo Counterbore, 1/32 Clearance, Size No 8, Co 902-000-012
Keo

Counterbore, 1/32 Clearance, Size No 8, Co

Zoro # G2999105
Mfr # 902-000-012
product price: 
$65.25
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3150", Finish - Machining: AlTiN 2348M-C3
Harvey Tool

Counterbores - Flat Bottom, 0.3150", Finish - Machining: AlTiN

Zoro # G7260674
Mfr # 2348M-C3
product price: 
$116.99
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-123
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G621726300
Mfr # 902-000-123
product price: 
$68.29
/ea
Keo Counterbore, Decimal Inch, 7 in 902-000-296
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G121726442
Mfr # 902-000-296
product price: 
$585.99
/ea
Keo Counterbore, Decimal Inch, 5 in 902-000-312
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G021726719
Mfr # 902-000-312
product price: 
$110.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1562" (5/32) 25510-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1562" (5/32)

Zoro # G7255415
Mfr # 25510-C3
product price: 
$85.15
/ea
Scientific Cutting Tools Port Tool, 1"-12, 2-1/8 in, Straight MS33649-11S
Scientific Cutting Tools

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

Zoro # G8334462
Mfr # MS33649-11S
product price: 
$286.99
/ea
Keo Counterbore, 1/32 Clearance, Size 7/16, Co 902-000-027
Keo

Counterbore, 1/32 Clearance, Size 7/16, Co

Zoro # G3237306
Mfr # 902-000-027
product price: 
$97.55
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2362" 2346M
Harvey Tool

Counterbores - Flat Bottom, 0.2362"

Zoro # G7252518
Mfr # 2346M
product price: 
$71.29
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0937" (3/32) 23393-C6
Harvey Tool

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

Zoro # G7155105
Mfr # 23393-C6
product price: 
$61.89
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2656" (17/64) 23417
Harvey Tool

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

Zoro # G7153215
Mfr # 23417
product price: 
$86.15
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0625" (1/16), Shank Dia.: 1/8" 25462
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0625" (1/16), Shank Dia.: 1/8"

Zoro # G7253997
Mfr # 25462
product price: 
$61.69
/ea
Drill America No 6 .137mm Machine Screw Solid Counterbore DEWCBRSOL6
Drill America

No 6 .137mm Machine Screw Solid Counterbore

Zoro # G1741357
Mfr # DEWCBRSOL6
product price: 
$14.49
/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
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-317
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G621725921
Mfr # 902-000-317
product price: 
$82.59
/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 0.1750'' Cutter DIA x 0.6250'', 5/8 Flute Length - 4 FL 23574
Harvey Tool

0.1750'' Cutter DIA x 0.6250'', 5/8 Flute Length - 4 FL

Zoro # G413081570
Mfr # 23574
product price: 
$48.49
/ea
Scientific Cutting Tools Port Tool, 1-5/8"-12, 2-1/4 in, Straight MS33649-20S
Scientific Cutting Tools

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

Zoro # G7944894
Mfr # MS33649-20S
product price: 
$449.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.6875" (11/16) 23444-C3
Harvey Tool

Counterbores - Flat Bottom, 0.6875" (11/16)

Zoro # G7258714
Mfr # 23444-C3
product price: 
$410.99
/ea
Keo Counterbore, Decimal Inch, 5 in 902-000-147
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G421726210
Mfr # 902-000-147
product price: 
$109.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1719" (11/64) 25511
Harvey Tool

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

Zoro # G7257646
Mfr # 25511
product price: 
$73.19
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1250" (1/8), Neck Dia.: 0.1130" 25508
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1250" (1/8), Neck Dia.: 0.1130"

Zoro # G7258294
Mfr # 25508
product price: 
$62.69
/ea
Porting Tools & Counterbores (993 items) - Page 14
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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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