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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 16

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
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1562" (5/32) 25510
Harvey Tool

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

Zoro # G7245195
Mfr # 25510
product price: 
$73.19
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-087
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G321727355
Mfr # 902-000-087
product price: 
$59.39
/ea
Harvey Tool Counterbores - Flat Bottom, 0.4375" (7/16) 23428-C3
Harvey Tool

Counterbores - Flat Bottom, 0.4375" (7/16)

Zoro # G7158544
Mfr # 23428-C3
product price: 
$142.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.4724" 23476
Harvey Tool

Counterbores - Flat Bottom, 0.4724"

Zoro # G7242989
Mfr # 23476
product price: 
$150.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0787" 2542M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0787"

Zoro # G7253960
Mfr # 2542M-C3
product price: 
$69.95
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0312" (1/32) 23331-C3
Harvey Tool

Counterbores - Flat Bottom, 0.0312" (1/32)

Zoro # G7153985
Mfr # 23331-C3
product price: 
$60.15
/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
Harvey Tool Counterbores - Flat Bottom 23420-C6
Harvey Tool

Counterbores - Flat Bottom

Zoro # G804195442
Mfr # 23420-C6
product price: 
$92.59
/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
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
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: 
$38.39
/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, 0.2344" (15/64) 25515
Harvey Tool

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

Zoro # G7252606
Mfr # 25515
product price: 
$101.99
/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: 
$25.55
/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, Decimal Inch, 7 in 902-000-295
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G621726775
Mfr # 902-000-295
product price: 
$585.99
/ea
Keo Counterbore, Decimal Inch, 6 in 902-000-304
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G821727848
Mfr # 902-000-304
product price: 
$146.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1719" (11/64) 23411-C3
Harvey Tool

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

Zoro # G7152515
Mfr # 23411-C3
product price: 
$56.45
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2187" (7/32) 25514-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.2187" (7/32)

Zoro # G7264296
Mfr # 25514-C3
product price: 
$114.99
/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, 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, 0.0312" (1/32) 23331
Harvey Tool

Counterbores - Flat Bottom, 0.0312" (1/32)

Zoro # G7256018
Mfr # 23331
product price: 
$51.29
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.3937" 2550M
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.3937"

Zoro # G7157537
Mfr # 2550M
product price: 
$188.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1406" (9/64) 23409-C3
Harvey Tool

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

Zoro # G7258985
Mfr # 23409-C3
product price: 
$56.49
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1250" (1/8) 23408
Harvey Tool

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

Zoro # G7153845
Mfr # 23408
product price: 
$51.29
/ea
Drill America No 3 .098mm Machine Screw Solid Counterbore DEWCBRSOL3
Drill America

No 3 .098mm Machine Screw Solid Counterbore

Zoro # G1739756
Mfr # DEWCBRSOL3
product price: 
$10.59
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1181" 2553M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1181"

Zoro # G7249620
Mfr # 2553M-C3
product price: 
$71.19
/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
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
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, 80 mm 902-000-228
Keo

Counterbore, Metric, 80 mm

Zoro # G721725272
Mfr # 902-000-228
product price: 
$69.29
/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
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
Harvey Tool Counterbores - Flat Bottom, 0.7500" (3/4) 23448-C3
Harvey Tool

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

Zoro # G7257804
Mfr # 23448-C3
product price: 
$373.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1562" (5/32) 23410-C3
Harvey Tool

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

Zoro # G7155306
Mfr # 23410-C3
product price: 
$58.29
/ea
Porting Tools & Counterbores (993 items) - Page 16
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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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