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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 8

Harvey Tool Counterbores - Flat Bottom, 0.0700", Flute Length: 0.2800" 23370
Harvey Tool

Counterbores - Flat Bottom, 0.0700", Flute Length: 0.2800"

Zoro # G7154280
Mfr # 23370
product price:  $51.29
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0787" 2332M
Harvey Tool

Counterbores - Flat Bottom, 0.0787"

Zoro # G7153687
Mfr # 2332M
product price:  $51.29
/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:  $47.19
/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 - 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, 3 in 902-000-322
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G421726517
Mfr # 902-000-322
product price:  $71.79
/ea
Keo Counterbore, Metric, 71 mm 902-000-201
Keo

Counterbore, Metric, 71 mm

Zoro # G121727661
Mfr # 902-000-201
product price:  $52.19
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1575", Shank Dia.: 3/16" 2344M
Harvey Tool

Counterbores - Flat Bottom, 0.1575", Shank Dia.: 3/16"

Zoro # G7243025
Mfr # 2344M
product price:  $49.15
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0550" 23355
Harvey Tool

Counterbores - Flat Bottom, 0.0550"

Zoro # G7157564
Mfr # 23355
product price:  $51.29
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-325
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G921726086
Mfr # 902-000-325
product price:  $69.59
/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
Keo Counterbore, Metric, 100 mm 902-000-252
Keo

Counterbore, Metric, 100 mm

Zoro # G221725246
Mfr # 902-000-252
product price:  $98.89
/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, 0.1181" 2343M
Harvey Tool

Counterbores - Flat Bottom, 0.1181"

Zoro # G7161420
Mfr # 2343M
product price:  $51.29
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3594" (23/64), Material - Machining: Carbide 23423
Harvey Tool

Counterbores - Flat Bottom, 0.3594" (23/64), Material - Machining: Carbide

Zoro # G7155139
Mfr # 23423
product price:  $98.29
/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
Keo Counterbore, Metric, 71 mm 902-000-216
Keo

Counterbore, Metric, 71 mm

Zoro # G521727421
Mfr # 902-000-216
product price:  $64.39
/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:  $44.15
/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, 5 in 902-000-138
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G521725854
Mfr # 902-000-138
product price:  $93.39
/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 - Long Reach, 0.2500" (1/4) 25516
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.2500" (1/4)

Zoro # G7242998
Mfr # 25516
product price:  $99.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2969" (19/64) 25519-C3
Harvey Tool

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

Zoro # G7167109
Mfr # 25519-C3
product price:  $142.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3937" 2340M
Harvey Tool

Counterbores - Flat Bottom, 0.3937"

Zoro # G7255290
Mfr # 2340M
product price:  $117.99
/ea
Keo Counterbore, Metric, 100 mm 902-000-243
Keo

Counterbore, Metric, 100 mm

Zoro # G621725938
Mfr # 902-000-243
product price:  $85.79
/ea
Keo Counterbore, Decimal Inch, 3 in 902-000-102
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G221725055
Mfr # 902-000-102
product price:  $63.69
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.3125" (5/16), Material - Machining: Carbide 25520
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.3125" (5/16), Material - Machining: Carbide

Zoro # G7162428
Mfr # 25520
product price:  $129.99
/ea
Garant Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 20X10.2 mm 156220 20X10,2
Garant

Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 20X10.2 mm

Zoro # G114376036
Mfr # 156220 20X10,2
product price:  $50.65
/ea
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, 0.2031" (13/64) 25513
Harvey Tool

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

Zoro # G7242946
Mfr # 25513
product price:  $99.99
/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
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
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 - Long Reach, 0.2812" (9/32) 25518
Harvey Tool

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

Zoro # G7263176
Mfr # 25518
product price:  $117.99
/ea
Keo Counterbore, Decimal Inch, 7 in 902-000-174
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G221725512
Mfr # 902-000-174
product price:  $258.99
/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
Porting Tools & Counterbores (993 items) - Page 8
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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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