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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 10

Harvey Tool Counterbores - Flat Bottom, 0.1575" 2344M-C3
Harvey Tool

Counterbores - Flat Bottom, 0.1575"

Zoro # G7242928
Mfr # 2344M-C3
product price: 
$58.29
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0312" (1/32), Shank Dia.: 1/8" 25431
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0312" (1/32), Shank Dia.: 1/8"

Zoro # G7257244
Mfr # 25431
product price: 
$64.19
/ea
Harvey Tool 0.1750'' Cutter DIA x 0.6250'', 5/8 Flute Length - 4 FL - AlTiN Coated 23574-C3
Harvey Tool

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

Zoro # G813081699
Mfr # 23574-C3
product price: 
$52.19
/ea
Harvey Tool 0.2420'' Cutter DIA x 0.8750'', 7/8 Flute Length - 4 FL 23641
Harvey Tool

0.2420'' Cutter DIA x 0.8750'', 7/8 Flute Length - 4 FL

Zoro # G913081735
Mfr # 23641
product price: 
$66.39
/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
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.3937" 2550M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.3937"

Zoro # G7247338
Mfr # 2550M-C3
product price: 
$199.99
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 18X10.5 mm 156020 18X10,5
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 18X10.5 mm

Zoro # G414389545
Mfr # 156020 18X10,5
product price: 
$45.85
/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 - Long Reach, 0.4375" (7/16) 25528-C3
Harvey Tool

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

Zoro # G7265504
Mfr # 25528-C3
product price: 
$192.99
/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
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0469" (3/64), Number of Flutes: 4 25447
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.0469" (3/64), Number of Flutes: 4

Zoro # G7257795
Mfr # 25447
product price: 
$59.99
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-084
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G321727010
Mfr # 902-000-084
product price: 
$59.39
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-093
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G321726655
Mfr # 902-000-093
product price: 
$61.89
/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
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
Harvey Tool Counterbores - Flat Bottom, 0.0469" (3/64) 23347
Harvey Tool

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

Zoro # G7151474
Mfr # 23347
product price: 
$51.29
/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, Decimal Inch, 6 in 902-000-304
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G821727848
Mfr # 902-000-304
product price: 
$146.99
/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
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
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1575", Overall Length: 3" 2554M
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1575", Overall Length: 3"

Zoro # G7164808
Mfr # 2554M
product price: 
$73.19
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2362" 2346M-C6
Harvey Tool

Counterbores - Flat Bottom, 0.2362"

Zoro # G7255850
Mfr # 2346M-C6
product price: 
$81.89
/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
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, Decimal Inch, 5 in 902-000-141
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G521725823
Mfr # 902-000-141
product price: 
$93.39
/ea
Harvey Tool 0.2900'' Cutter DIA x 0.8750'', 7/8 Flute Length - 4 FL 23689
Harvey Tool

0.2900'' Cutter DIA x 0.8750'', 7/8 Flute Length - 4 FL

Zoro # G913082206
Mfr # 23689
product price: 
$80.29
/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 - 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 - 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
Keo Counterbore, Decimal Inch, 7 in 902-000-186
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G421727217
Mfr # 902-000-186
product price: 
$518.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0625" (1/16) 25462-C3
Harvey Tool

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

Zoro # G7256964
Mfr # 25462-C3
product price: 
$71.19
/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
Keo Counterbore, Decimal Inch, 3 in 902-000-324
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G721726408
Mfr # 902-000-324
product price: 
$71.15
/ea
Link 14MM Co 3Fl 14.8 Pilot X 21.8 Cbore 12.7 Shank X 150 Oal 75-CO-527
Link

14MM Co 3Fl 14.8 Pilot X 21.8 Cbore 12.7 Shank X 150 Oal

Zoro # G7637457
Mfr # 75-CO-527
product price: 
$122.99
/ea
Super Tool Reduced Shank Counterbore, 15/16" D 52230
Super Tool

Reduced Shank Counterbore, 15/16" D

Zoro # G0331237
Mfr # 52230
product price: 
$111.99
/ea
Link Ua4 #8 English Shcs HSS Counterbore 60-L2-295
Link

Ua4 #8 English Shcs HSS Counterbore

Zoro # G7636066
Mfr # 60-L2-295
product price: 
$23.25
/ea
Porting Tools & Counterbores (993 items) - Page 10
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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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