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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 15

Keo Counterbore, Metric, 71 mm 902-000-210
Keo

Counterbore, Metric, 71 mm

Zoro # G821726780
Mfr # 902-000-210
product price: 
$59.29
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1406" (9/64) 23409
Harvey Tool

Counterbores - Flat Bottom, 0.1406" (9/64)

Zoro # G7149338
Mfr # 23409
product price: 
$49.15
/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
Drill America 7/8" 15/16" Continuous Pilot Capscrew Counterbore DEWCSCBR7/8
Drill America

7/8" 15/16" Continuous Pilot Capscrew Counterbore

Zoro # G1739178
Mfr # DEWCSCBR7/8
product price: 
$120.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1406" (9/64) 25509-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1406" (9/64)

Zoro # G7248905
Mfr # 25509-C3
product price: 
$85.79
/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
Keo Counterbore, Decimal Inch, 6 in 902-000-156
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G321726112
Mfr # 902-000-156
product price: 
$125.99
/ea
Keo Counterbore, 1/64 Clearance, Size No 10, Co 902-000-014
Keo

Counterbore, 1/64 Clearance, Size No 10, Co

Zoro # G1024082
Mfr # 902-000-014
product price: 
$75.19
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0394" 2331M-C3
Harvey Tool

Counterbores - Flat Bottom, 0.0394"

Zoro # G7148586
Mfr # 2331M-C3
product price: 
$60.15
/ea
Harvey Tool Counterbores - Flat Bottom, 0.5625" (9/16), Number of Flutes: 4 23436
Harvey Tool

Counterbores - Flat Bottom, 0.5625" (9/16), Number of Flutes: 4

Zoro # G7155069
Mfr # 23436
product price: 
$224.99
/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
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 20X13.5 mm 156020 20X13,5
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 20X13.5 mm

Zoro # G714389573
Mfr # 156020 20X13,5
product price: 
$48.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2031" (13/64) 25513
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.2031" (13/64)

Zoro # G7242946
Mfr # 25513
product price: 
$99.99
/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
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.3437" (11/32) 25522-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.3437" (11/32)

Zoro # G7164780
Mfr # 25522-C3
product price: 
$162.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.6250" (5/8) 23440-C3
Harvey Tool

Counterbores - Flat Bottom, 0.6250" (5/8)

Zoro # G7240155
Mfr # 23440-C3
product price: 
$282.99
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 10X5.3 mm 156020 10X5,3
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 10X5.3 mm

Zoro # G614389642
Mfr # 156020 10X5,3
product price: 
$22.35
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0394" 2541M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0394"

Zoro # G7161037
Mfr # 2541M-C3
product price: 
$71.89
/ea
Keo Counterbore, Decimal Inch, 6 in 902-000-159
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G421726128
Mfr # 902-000-159
product price: 
$125.99
/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
Keo Counterbore, Decimal Inch, 6 in 902-000-301
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G021726115
Mfr # 902-000-301
product price: 
$202.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0469" (3/64) 23347-C3
Harvey Tool

Counterbores - Flat Bottom, 0.0469" (3/64)

Zoro # G7151359
Mfr # 23347-C3
product price: 
$60.15
/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
Keo Counterbore, Decimal Inch, 3 in 902-000-096
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G721727566
Mfr # 902-000-096
product price: 
$62.19
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0787" 2542M
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0787"

Zoro # G7160459
Mfr # 2542M
product price: 
$62.69
/ea
Keo Counterbore, Decimal Inch, 7 in 902-000-297
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G621725389
Mfr # 902-000-297
product price: 
$450.99
/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, 0.1968", Flute Length: 3/4" 2345M
Harvey Tool

Counterbores - Flat Bottom, 0.1968", Flute Length: 3/4"

Zoro # G7242937
Mfr # 2345M
product price: 
$64.29
/ea
Drill America No 5 .124mm Machine Screw Solid Counterbore DEWCBRSOL5
Drill America

No 5 .124mm Machine Screw Solid Counterbore

Zoro # G1744997
Mfr # DEWCBRSOL5
product price: 
$13.59
/ea
Drill America 3/4" X 7/16" Pilots for Counterbore DEWPIL3/4X7/16
Drill America

3/4" X 7/16" Pilots for Counterbore

Zoro # G1741567
Mfr # DEWPIL3/4X7/16
product price: 
$11.99
/ea
Keo Counterbore, Decimal Inch, 7 in 902-000-177
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G121727029
Mfr # 902-000-177
product price: 
$382.99
/ea
Drill America No 6 .150 Continuous Pilot Capscrew Counterbore DEWCSCBR6
Drill America

No 6 .150 Continuous Pilot Capscrew Counterbore

Zoro # G1742845
Mfr # DEWCSCBR6
product price: 
$25.25
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-072
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G121727616
Mfr # 902-000-072
product price: 
$53.49
/ea
Drill America No 8 11/64" Continuous Pilot Capscrew Counterbore DEWCSCBR8
Drill America

No 8 11/64" Continuous Pilot Capscrew Counterbore

Zoro # G1741278
Mfr # DEWCSCBR8
product price: 
$23.99
/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, 0.3281" (21/64) 23421
Harvey Tool

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

Zoro # G7148604
Mfr # 23421
product price: 
$94.39
/ea
Porting Tools & Counterbores (993 items) - Page 15
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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.

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