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  1. Home
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  5. Cutting Tools
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  7. Porting Tools & Counterbores

Porting Tools & Counterbores (993 items) - Page 12

Super Tool Counterbore, 1-5/16" D, Carbide Tipped 56418
Super Tool

Counterbore, 1-5/16" D, Carbide Tipped

Zoro # G0329767
Mfr # 56418
product price: 
$166.99
/ea
Tungaloy Solid End Mill Head, VGC080L08.0R20-, PK2 6859504
Tungaloy

Solid End Mill Head, VGC080L08.0R20-, PK2

Zoro # G401779045
Mfr # 6859504
product price: 
$139.99
/pk 2, $70.00/ea
Internal Tool A Nc-250-250 N/C Counterbore 85-2501
Internal Tool

A Nc-250-250 N/C Counterbore

Zoro # G600402430
Mfr # 85-2501
product price: 
$57.99
/ea
Tungaloy Solid End Mill Head, VGC098L09.0R03-, PK2 6859366
Tungaloy

Solid End Mill Head, VGC098L09.0R03-, PK2

Zoro # G001779070
Mfr # 6859366
product price: 
$159.99
/pk 2, $80.00/ea
Link No 10 Co 3Fl 0.221 Pilot X 0.346 Cbore 5/16" Shank X 4" Oal 50-CO-183
Link

No 10 Co 3Fl 0.221 Pilot X 0.346 Cbore 5/16" Shank X 4" Oal

Zoro # G7637308
Mfr # 50-CO-183
product price: 
$75.75
/ea
Super Tool Counterbore, 9/16" D, Carbide Tipped 56406
Super Tool

Counterbore, 9/16" D, Carbide Tipped

Zoro # G0330351
Mfr # 56406
product price: 
$108.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 18-20, 8.5 mm 156620 5X8,5
Garant

Interchangeable Pilot Pin for Counterbore 156520 18-20, 8.5 mm

Zoro # G614389543
Mfr # 156620 5X8,5
product price: 
$33.15
/ea
Link 2.5MM Co 3Fl 3.0 Pilot X 5.4 Cbore 6.35 Shank X 100 Oal 75-CO-519
Link

2.5MM Co 3Fl 3.0 Pilot X 5.4 Cbore 6.35 Shank X 100 Oal

Zoro # G7639977
Mfr # 75-CO-519
product price: 
$80.15
/ea
Link 7/16" HSS Se .468 X .500 Drill .687 Cbore 5/8 Shank 2-1/2 Oal 50-L2-187
Link

7/16" HSS Se .468 X .500 Drill .687 Cbore 5/8 Shank 2-1/2 Oal

Zoro # G7642689
Mfr # 50-L2-187
product price: 
$35.65
/ea
Internal Tool A Nc-421-437 N/C Counterbore 85-4211
Internal Tool

A Nc-421-437 N/C Counterbore

Zoro # G600402362
Mfr # 85-4211
product price: 
$132.99
/ea
Super Tool Counterbore, 13/16" D, Carbide Tipped 56410
Super Tool

Counterbore, 13/16" D, Carbide Tipped

Zoro # G0330141
Mfr # 56410
product price: 
$120.99
/ea
Internal Tool A Nc-343-375 N/C Counterbore 85-3431
Internal Tool

A Nc-343-375 N/C Counterbore

Zoro # G600402379
Mfr # 85-3431
product price: 
$108.99
/ea
Kodiak Cutting Tools 1/2 Counterbore 1/64 Oversize Capscrew Style 5495908
Kodiak Cutting Tools

1/2 Counterbore 1/64 Oversize Capscrew Style

Zoro # G8624274
Mfr # 5495908
product price: 
$108.99
/ea
Super Tool Reduced Shank Counterbore, 27/32" D 52227
Super Tool

Reduced Shank Counterbore, 27/32" D

Zoro # G0331480
Mfr # 52227
product price: 
$133.99
/ea
Garant Counterbore Set in a Case, 6 Pieces, Type: K 156420 K
Garant

Counterbore Set in a Case, 6 Pieces, Type: K

Zoro # G714389849
Mfr # 156420 K
product price: 
$212.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 18-20, 6.8 mm 156620 5X6,8
Garant

Interchangeable Pilot Pin for Counterbore 156520 18-20, 6.8 mm

Zoro # G814389701
Mfr # 156620 5X6,8
product price: 
$33.15
/ea
Super Tool Reduced Shank Counterbore, 21/32" D 52221
Super Tool

Reduced Shank Counterbore, 21/32" D

Zoro # G0331173
Mfr # 52221
product price: 
$117.99
/ea
Internal Tool A Nc-156-187 N/C Counterbore 85-1561
Internal Tool

A Nc-156-187 N/C Counterbore

Zoro # G500402448
Mfr # 85-1561
product price: 
$50.39
/ea
Keen Sleeve Height & Counterbore Gage KE278657
Keen

Sleeve Height & Counterbore Gage

Zoro # G909923957
Mfr # KE278657
product price: 
$337.99
/ea
Harvey Tool 0.0625 in. 1/16 Cutter dia x 0.25in. 1/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731562
Harvey Tool

0.0625 in. 1/16 Cutter dia x 0.25in. 1/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G811325023
Mfr # 731562
product price: 
$54.79
/ea
Link 1/4" 3Xd HSS Se .280 X .840 Drill .406 Cbore 3/8 Shank 2-3/4 Oal 50-L2-384
Link

1/4" 3Xd HSS Se .280 X .840 Drill .406 Cbore 3/8 Shank 2-3/4 Oal

Zoro # G7636084
Mfr # 50-L2-384
product price: 
$40.25
/ea
Super Tool Counterbore, 1-9/16" D, Carbide Tipped 56422
Super Tool

Counterbore, 1-9/16" D, Carbide Tipped

Zoro # G0329618
Mfr # 56422
product price: 
$251.99
/ea
Harvey Tool 3/8 in. Cutter dia. x 1 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated 23424-C8
Harvey Tool

3/8 in. Cutter dia. x 1 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated

Zoro # G211324640
Mfr # 23424-C8
product price: 
$115.99
/ea
Super Tool Counterbore, 25/32" D, Carbide Tipped 5797812
Super Tool

Counterbore, 25/32" D, Carbide Tipped

Zoro # G0330263
Mfr # 5797812
product price: 
$125.99
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-114
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G821726896
Mfr # 902-000-114
product price: 
$70.69
/ea
Keo Counterbore Set, 7, Fractional Inch 902-000-294
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G021724876
Mfr # 902-000-294
product price: 
$647.99
/ea
Super Tool Reduced Shank Counterbore, 1-7/8" D 52260
Super Tool

Reduced Shank Counterbore, 1-7/8" D

Zoro # G0331517
Mfr # 52260
product price: 
$232.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 18-20, 10.2 mm 156620 5X10,2
Garant

Interchangeable Pilot Pin for Counterbore 156520 18-20, 10.2 mm

Zoro # G714389665
Mfr # 156620 5X10,2
product price: 
$33.15
/ea
Garant Counterbore with Interchangeable Pilot Pins, 40 mm 156520 40
Garant

Counterbore with Interchangeable Pilot Pins, 40 mm

Zoro # G314389799
Mfr # 156520 40
product price: 
$260.99
/ea
Internal Tool A Nc-359-375 N/C Counterbore 85-3591
Internal Tool

A Nc-359-375 N/C Counterbore

Zoro # G500402424
Mfr # 85-3591
product price: 
$103.99
/ea
Super Tool Counterbore, 13/32" D, Carbide Tipped 5794062
Super Tool

Counterbore, 13/32" D, Carbide Tipped

Zoro # G0330053
Mfr # 5794062
product price: 
$114.99
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-320
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G321725061
Mfr # 902-000-320
product price: 
$74.89
/ea
Garant Counterbore with Interchangeable Pilot Pins, 33 mm 156520 33
Garant

Counterbore with Interchangeable Pilot Pins, 33 mm

Zoro # G414389828
Mfr # 156520 33
product price: 
$199.99
/ea
Link Ua7-14MM Metric Shcs HSS Counterbore 72-L2-517
Link

Ua7-14MM Metric Shcs HSS Counterbore

Zoro # G7646898
Mfr # 72-L2-517
product price: 
$49.75
/ea
Kodiak Cutting Tools No. 8 Counterbores On Size Capscrew Style 5495688
Kodiak Cutting Tools

No. 8 Counterbores On Size Capscrew Style

Zoro # G8653120
Mfr # 5495688
product price: 
$49.65
/ea
Harvey Tool 0.3125 in. 5/16 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731620
Harvey Tool

0.3125 in. 5/16 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G011325267
Mfr # 731620
product price: 
$86.29
/ea
Porting Tools & Counterbores (993 items) - Page 12
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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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