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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 20

Drill America 1/4" 9/32" Continuous Pilot Capscrew Counterbore DEWCSCBR1/4
Drill America

1/4" 9/32" Continuous Pilot Capscrew Counterbore

Zoro # G1741740
Mfr # DEWCSCBR1/4
product price: 
$29.35
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 6.5X3.4 mm 156020 6,5X3,4
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 6.5X3.4 mm

Zoro # G214389462
Mfr # 156020 6,5X3,4
product price: 
$24.55
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.5000" (1/2) 25532
Harvey Tool

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

Zoro # G7266089
Mfr # 25532
product price: 
$206.99
/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, Decimal Inch, 5 in 902-000-144
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G821725165
Mfr # 902-000-144
product price: 
$109.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0937" (3/32) 25493
Harvey Tool

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

Zoro # G7254024
Mfr # 25493
product price: 
$66.39
/ea
Harvey Tool Counterbores - Flat Bottom, 0.4062" (13/32) 23426-C3
Harvey Tool

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

Zoro # G7159576
Mfr # 23426-C3
product price: 
$142.99
/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, 0.3150" 2558M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.3150"

Zoro # G7247006
Mfr # 2558M-C3
product price: 
$171.99
/ea
Keo Counterbore, Metric, 80 mm 902-000-237
Keo

Counterbore, Metric, 80 mm

Zoro # G521725885
Mfr # 902-000-237
product price: 
$71.69
/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: 
$47.19
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0550" 23355-C3
Harvey Tool

Counterbores - Flat Bottom, 0.0550"

Zoro # G7255659
Mfr # 23355-C3
product price: 
$57.99
/ea
Keo Counterbore, Metric, 71 mm 902-000-213
Keo

Counterbore, Metric, 71 mm

Zoro # G921725638
Mfr # 902-000-213
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 - 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, 0.1250" (1/8) 23408-C3
Harvey Tool

Counterbores - Flat Bottom, 0.1250" (1/8)

Zoro # G7149310
Mfr # 23408-C3
product price: 
$59.49
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-081
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G321727546
Mfr # 902-000-081
product price: 
$57.59
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-099
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G621726720
Mfr # 902-000-099
product price: 
$63.69
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0900", Finish - Machining: AlTiN 23390-C3
Harvey Tool

Counterbores - Flat Bottom, 0.0900", Finish - Machining: AlTiN

Zoro # G7154439
Mfr # 23390-C3
product price: 
$57.79
/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, 0.2344" (15/64) 23415
Harvey Tool

Counterbores - Flat Bottom, 0.2344" (15/64)

Zoro # G7154019
Mfr # 23415
product price: 
$67.29
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0625" (1/16) 23362-C6
Harvey Tool

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

Zoro # G7154527
Mfr # 23362-C6
product price: 
$61.39
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 15X8.4 mm 156020 15X8,4
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 15X8.4 mm

Zoro # G914389663
Mfr # 156020 15X8,4
product price: 
$36.99
/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
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
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
Keo Counterbore, Metric, 71 mm 902-000-204
Keo

Counterbore, Metric, 71 mm

Zoro # G821727756
Mfr # 902-000-204
product price: 
$52.19
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2969" (19/64) 23419-C3
Harvey Tool

Counterbores - Flat Bottom, 0.2969" (19/64)

Zoro # G7151395
Mfr # 23419-C3
product price: 
$97.15
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0787" 2332M-C3
Harvey Tool

Counterbores - Flat Bottom, 0.0787"

Zoro # G7257856
Mfr # 2332M-C3
product price: 
$59.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1968" 2555M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1968"

Zoro # G7164878
Mfr # 2555M-C3
product price: 
$121.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2812" (9/32) 23418-C3
Harvey Tool

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

Zoro # G7154116
Mfr # 23418-C3
product price: 
$97.15
/ea
Keo Counterbore, Metric, 80 mm 902-000-225
Keo

Counterbore, Metric, 80 mm

Zoro # G321727430
Mfr # 902-000-225
product price: 
$72.89
/ea
Harvey Tool Counterbores - Flat Bottom, 0.7500" (3/4) 23448
Harvey Tool

Counterbores - Flat Bottom, 0.7500" (3/4)

Zoro # G7245466
Mfr # 23448
product price: 
$347.99
/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
Keo Counterbore, Metric, 71 mm 902-000-207
Keo

Counterbore, Metric, 71 mm

Zoro # G821727039
Mfr # 902-000-207
product price: 
$59.29
/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
Porting Tools & Counterbores (993 items) - Page 20
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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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