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  7. Porting Tools & Counterbores
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Porting Tools & Counterbores (995 items) - Page 8

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 - Long Reach, 0.3150" 2558M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.3150"

Zoro # G7247006
Mfr # 2558M-C3
product price:  $135.99
/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:  $24.55
/ea
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:  $40.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1875" (3/16) 25512-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1875" (3/16)

Zoro # G7260190
Mfr # 25512-C3
product price:  $70.95
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1968" 2555M
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1968"

Zoro # G7167696
Mfr # 2555M
product price:  $84.65
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3937" 2340M
Harvey Tool

Counterbores - Flat Bottom, 0.3937"

Zoro # G7255290
Mfr # 2340M
product price:  $98.55
/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:  $114.99
/ea
Cleveland Counterbore, 2.218" L, 0.313" dia., Bright C46622
Cleveland

Counterbore, 2.218" L, 0.313" dia., Bright

Zoro # G4851469
Mfr # C46622
product price:  $45.15
/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:  $102.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0394" 2331M-C3
Harvey Tool

Counterbores - Flat Bottom, 0.0394"

Zoro # G7148586
Mfr # 2331M-C3
product price:  $47.95
/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:  $51.26
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3150", Finish - Machining: AlTiN 2348M-C3
Harvey Tool

Counterbores - Flat Bottom, 0.3150", Finish - Machining: AlTiN

Zoro # G7260674
Mfr # 2348M-C3
product price:  $92.55
/ea
Harvey Tool Counterbores - Flat Bottom, 0.5000" (1/2) 23432-C3
Harvey Tool

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

Zoro # G7162927
Mfr # 23432-C3
product price:  $138.99
/ea
Harvey Tool Counterbores - Flat Bottom 23420-C6
Harvey Tool

Counterbores - Flat Bottom

Zoro # G804195442
Mfr # 23420-C6
product price:  $72.59
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0937" (3/32) 25493-C3
Harvey Tool

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

Zoro # G7254618
Mfr # 25493-C3
product price:  $59.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.3125" (5/16) 25520-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.3125" (5/16)

Zoro # G7166034
Mfr # 25520-C3
product price:  $116.99
/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:  $83.65
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2362" 2556M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.2362"

Zoro # G7164817
Mfr # 2556M-C3
product price:  $96.59
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1562" (5/32) 25510-C3
Harvey Tool

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

Zoro # G7255415
Mfr # 25510-C3
product price:  $70.95
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2344" (15/64) 25515-C3
Harvey Tool

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

Zoro # G7262774
Mfr # 25515-C3
product price:  $92.59
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.1575" 2554M-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.1575"

Zoro # G7164835
Mfr # 2554M-C3
product price:  $68.19
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.4375" (7/16) 25528
Harvey Tool

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

Zoro # G7262756
Mfr # 25528
product price:  $134.99
/ea
Scientific Cutting Tools Port Tool, RPT, Reamer, 1 1/8-18 UNJEF RPT-16
Scientific Cutting Tools

Port Tool, RPT, Reamer, 1 1/8-18 UNJEF

Zoro # G7876495
Mfr # RPT-16
product price:  $272.78
/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:  $78.15
/ea
Harvey Tool Counterbores - Flat Bottom, 0.1875" (3/16), Overall Length: 2" 23412-C6
Harvey Tool

Counterbores - Flat Bottom, 0.1875" (3/16), Overall Length: 2"

Zoro # G7153206
Mfr # 23412-C6
product price:  $50.65
/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:  $49.85
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3594" (23/64), Number of Flutes: 4 23423-C3
Harvey Tool

Counterbores - Flat Bottom, 0.3594" (23/64), Number of Flutes: 4

Zoro # G7154588
Mfr # 23423-C3
product price:  $82.39
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0625" (1/16) 23362
Harvey Tool

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

Zoro # G7242858
Mfr # 23362
product price:  $40.99
/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:  $47.55
/ea
Scientific Cutting Tools Port Tool, MS16142, Solid, 1 5/8-12 UN MS16142-20S
Scientific Cutting Tools

Port Tool, MS16142, Solid, 1 5/8-12 UN

Zoro # G8173986
Mfr # MS16142-20S
product price:  $377.99
/ea
Keo Counterbore, Close Fit, Size 7/16, Cobalt 902-000-025
Keo

Counterbore, Close Fit, Size 7/16, Cobalt

Zoro # G0430981
Mfr # 902-000-025
product price:  $89.69
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.0312" (1/32) 25431-C3
Harvey Tool

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

Zoro # G7243269
Mfr # 25431-C3
product price:  $61.15
/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:  $47.45
/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:  $40.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.0787" 2332M
Harvey Tool

Counterbores - Flat Bottom, 0.0787"

Zoro # G7153687
Mfr # 2332M
product price:  $40.99
/ea
Porting Tools & Counterbores (995 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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