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  5. Cutting Tools
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  7. Porting Tools & Counterbores
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Porting Tools & Counterbores (995 items) - Page 19

Super Tool Reduced Shank Counterbore, 3/4" D 52224
Super Tool

Reduced Shank Counterbore, 3/4" D

Zoro # G0331368
Mfr # 52224
product price:  $112.99
/ea
Super Tool Counterbore, 15/16" D, Carbide Tipped 56412
Super Tool

Counterbore, 15/16" D, Carbide Tipped

Zoro # G0329959
Mfr # 56412
product price:  $144.99
/ea
Super Tool Counterbore, 1/2" D, Carbide Tipped 56405
Super Tool

Counterbore, 1/2" D, Carbide Tipped

Zoro # G0330029
Mfr # 56405
product price:  $100.99
/ea
Kodiak Cutting Tools No. 3/4 Counterbores 1/64 Oversize Capscrew Style 5495930
Kodiak Cutting Tools

No. 3/4 Counterbores 1/64 Oversize Capscrew Style

Zoro # G8627047
Mfr # 5495930
product price:  $150.99
/ea
Super Tool Reduced Shank Counterbore, 1-1/4" D 52240
Super Tool

Reduced Shank Counterbore, 1-1/4" D

Zoro # G0331532
Mfr # 52240
product price:  $220.49
/ea
Super Tool Counterbore, 21/32" D, Carbide Tipped 5796562
Super Tool

Counterbore, 21/32" D, Carbide Tipped

Zoro # G0330150
Mfr # 5796562
product price:  $121.99
/ea
Internal Tool A Nc-469-500 N/C Counterbore 85-4691
Internal Tool

A Nc-469-500 N/C Counterbore

Zoro # G800402407
Mfr # 85-4691
product price:  $79.75
/ea
Link Ua7-16MM Metric Shcs HSS Counterbore 72-L2-518
Link

Ua7-16MM Metric Shcs HSS Counterbore

Zoro # G7645884
Mfr # 72-L2-518
product price:  $59.05
/ea
Hhip No 10 X 13/64" High Speed Steel 3 Flute Solid Pilot Counterbore 2007-0010
Hhip

No 10 X 13/64" High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2467947
Mfr # 2007-0010
product price:  $13.65
/ea
Hhip MT2 Shank For 21 Piece Counterbore Set No 2007-0021 2007-0022
Hhip

MT2 Shank For 21 Piece Counterbore Set No 2007-0021

Zoro # G2468263
Mfr # 2007-0022
product price:  $27.29
/ea
Super Tool Counterbore, 1-11/16" D, Carbide Tipped 56429
Super Tool

Counterbore, 1-11/16" D, Carbide Tipped

Zoro # G0329931
Mfr # 56429
product price:  $317.99
/ea
Hhip M10 X 11mm HSS 3 Flute Straight Shank Solid Pilot Counterbore 2007-0064
Hhip

M10 X 11mm HSS 3 Flute Straight Shank Solid Pilot Counterbore

Zoro # G2468157
Mfr # 2007-0064
product price:  $29.49
/ea
Kodiak Cutting Tools 7/8 Counterbore On Size Capscrew Style 5495787
Kodiak Cutting Tools

7/8 Counterbore On Size Capscrew Style

Zoro # G8617965
Mfr # 5495787
product price:  $181.99
/ea
Super Tool Reduced Shank Counterbore, 17/32" D 52217
Super Tool

Reduced Shank Counterbore, 17/32" D

Zoro # G0331401
Mfr # 52217
product price:  $85.89
/ea
Super Tool Reduced Shank Counterbore, 1-9/16" D 52250
Super Tool

Reduced Shank Counterbore, 1-9/16" D

Zoro # G0331587
Mfr # 52250
product price:  $220.99
/ea
Super Tool Reduced Shank Counterbore, 1-5/8" D 52252
Super Tool

Reduced Shank Counterbore, 1-5/8" D

Zoro # G0331383
Mfr # 52252
product price:  $272.99
/ea
Super Tool Counterbore, 19/32" D, Carbide Tipped 5795938
Super Tool

Counterbore, 19/32" D, Carbide Tipped

Zoro # G0330062
Mfr # 5795938
product price:  $125.99
/ea
Super Tool Reduced Shank Counterbore, 1-11/16" D 52254
Super Tool

Reduced Shank Counterbore, 1-11/16" D

Zoro # G0331359
Mfr # 52254
product price:  $240.99
/ea
Super Tool Counterbore, 2" D, Carbide Tipped 56428
Super Tool

Counterbore, 2" D, Carbide Tipped

Zoro # G0330248
Mfr # 56428
product price:  $358.99
/ea
Super Tool Counterbore, 13/32" D, Carbide Tipped 5794062
Super Tool

Counterbore, 13/32" D, Carbide Tipped

Zoro # G0330053
Mfr # 5794062
product price:  $98.88
/ea
Hhip 1/4 X 3/8" Shank High Speed Steel 2 Flute Solid  Cap Screw Counterbore 2007-0105
Hhip

1/4 X 3/8" Shank High Speed Steel 2 Flute Solid Cap Screw Counterbore

Zoro # G2468193
Mfr # 2007-0105
product price:  $17.99
/ea
Hhip 3/4 X 13/16 High Speed Steel 3 Flute Solid  Pilot Counterbore 2007-0034
Hhip

3/4 X 13/16 High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2467956
Mfr # 2007-0034
product price:  $28.25
/ea
Link Ua4-6MM Metric Shcs HSS Counterbore 72-L2-513
Link

Ua4-6MM Metric Shcs HSS Counterbore

Zoro # G7642725
Mfr # 72-L2-513
product price:  $32.75
/ea
Super Tool Counterbore, 1/2" D, Carbide Tipped 59805
Super Tool

Counterbore, 1/2" D, Carbide Tipped

Zoro # G0329977
Mfr # 59805
product price:  $99.28
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 24, 12 mm 156620 6X12
Garant

Interchangeable Pilot Pin for Counterbore 156520 24, 12 mm

Zoro # G414389705
Mfr # 156620 6X12
product price:  $36.45
/ea
Super Tool Reduced Shank Counterbore, 11/32" D 52211
Super Tool

Reduced Shank Counterbore, 11/32" D

Zoro # G0331447
Mfr # 52211
product price:  $68.69
/ea
Link Ua7-12MM Metric Shcs HSS Counterbore 72-L2-516
Link

Ua7-12MM Metric Shcs HSS Counterbore

Zoro # G7643985
Mfr # 72-L2-516
product price:  $51.65
/ea
Link Ua6-5/16 English Shcs HSS Counterbore 60-L2-298
Link

Ua6-5/16 English Shcs HSS Counterbore

Zoro # G7638787
Mfr # 60-L2-298
product price:  $27.89
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G421725626
Mfr # 902-000-150
product price:  $99.79
/ea
Super Tool Counterbore, 11/16" D, Carbide Tipped 59808
Super Tool

Counterbore, 11/16" D, Carbide Tipped

Zoro # G0330257
Mfr # 59808
product price:  $122.99
/ea
Link 14MM HSS Se 14.68 X 16.67 Drill 21.82 Cbore 15.87 Shank 66.67 Oal 75-L2-527
Link

14MM HSS Se 14.68 X 16.67 Drill 21.82 Cbore 15.87 Shank 66.67 Oal

Zoro # G7637335
Mfr # 75-L2-527
product price:  $47.05
/ea
Internal Tool A Nc-500-500 N/C Counterbore 85-5001
Internal Tool

A Nc-500-500 N/C Counterbore

Zoro # G900402536
Mfr # 85-5001
product price:  $75.99
/ea
Internal Tool A Nc-203-250 N/C Counterbore 85-2031
Internal Tool

A Nc-203-250 N/C Counterbore

Zoro # G800402360
Mfr # 85-2031
product price:  $25.85
/ea
Super Tool Counterbore, 21/32" D, Carbide Tipped 5776562
Super Tool

Counterbore, 21/32" D, Carbide Tipped

Zoro # G0330342
Mfr # 5776562
product price:  $122.99
/ea
No Product Image Available
Keo

Counterbore, Metric, 100 mm

Zoro # G221725697
Mfr # 902-000-249
product price:  $73.69
/ea
No Product Image Available
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G321727829
Mfr # 902-000-195
product price:  $526.99
/ea
Porting Tools & Counterbores (995 items) - Page 19
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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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