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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 13

Kodiak Cutting Tools 1/4 Counterbore 1/64 Oversize Capscrew Style 5495864
Kodiak Cutting Tools

1/4 Counterbore 1/64 Oversize Capscrew Style

Zoro # G8614806
Mfr # 5495864
product price: 
$55.85
/ea
Harvey Tool Counterbores-Flat Bottom, 676716-C3, AlTiN, 1/4" Cutter Diameter, 1-5/16" Flute Length 676716-C3
Harvey Tool

Counterbores-Flat Bottom, 676716-C3, AlTiN, 1/4" Cutter Diameter, 1-5/16" Flute Length

Zoro # G522920609
Mfr # 676716-C3
product price: 
$80.35
/ea
Tungaloy Solid End Mill Head, VGC100L09.0R04-, PK2 6859479
Tungaloy

Solid End Mill Head, VGC100L09.0R04-, PK2

Zoro # G001779018
Mfr # 6859479
product price: 
$159.99
/pk of 2, $80.00/ea
Link Ua3-3MM Metric Shcs HSS Counterbore 72-L2-510
Link

Ua3-3MM Metric Shcs HSS Counterbore

Zoro # G7636075
Mfr # 72-L2-510
product price: 
$23.49
/ea
Link 5/16" Co 3Fl 0.343 Pilot X 0.507 Cbore 3/8" Shank X 5" Oal 50-CO-185
Link

5/16" Co 3Fl 0.343 Pilot X 0.507 Cbore 3/8" Shank X 5" Oal

Zoro # G7638866
Mfr # 50-CO-185
product price: 
$85.65
/ea
Link #6 3Xd HSS Se .150 X .450 Drill .242 Cbore 1/4 Shank 2 Oal 50-L2-381
Link

#6 3Xd HSS Se .150 X .450 Drill .242 Cbore 1/4 Shank 2 Oal

Zoro # G7644877
Mfr # 50-L2-381
product price: 
$32.55
/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
Tungaloy Solid End Mill Head, VGC120L10.0R10-, PK2 6859505
Tungaloy

Solid End Mill Head, VGC120L10.0R10-, PK2

Zoro # G401779069
Mfr # 6859505
product price: 
$197.99
/pk of 2, $99.00/ea
Internal Tool A Nc-328-375 N/C Counterbore 85-3281
Internal Tool

A Nc-328-375 N/C Counterbore

Zoro # G300402402
Mfr # 85-3281
product price: 
$104.99
/ea
Link 3MM HSS Se 3.57 X 6.35 Drill 5.95 Cbore 6.35 Shank 31.75 Oal 75-L2-520
Link

3MM HSS Se 3.57 X 6.35 Drill 5.95 Cbore 6.35 Shank 31.75 Oal

Zoro # G7636136
Mfr # 75-L2-520
product price: 
$21.75
/ea
Internal Tool A Nc-234-250 N/C Counterbore 85-2341
Internal Tool

A Nc-234-250 N/C Counterbore

Zoro # G100402404
Mfr # 85-2341
product price: 
$59.59
/ea
Internal Tool A Nc-687-750 N/C Counterbore 85-6871
Internal Tool

A Nc-687-750 N/C Counterbore

Zoro # G500402516
Mfr # 85-6871
product price: 
$465.99
/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 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
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: 
$46.99
/ea
Tungaloy Solid End Mill Head, VGC100L09.0R20-, PK2 6859423
Tungaloy

Solid End Mill Head, VGC100L09.0R20-, PK2

Zoro # G901779033
Mfr # 6859423
product price: 
$159.99
/pk of 2, $80.00/ea
Link No 5 Co 3Fl 0.156 Pilot X 0.237 Cbore 1/4" Shank X 4" Oal 50-CO-180
Link

No 5 Co 3Fl 0.156 Pilot X 0.237 Cbore 1/4" Shank X 4" Oal

Zoro # G7636145
Mfr # 50-CO-180
product price: 
$65.75
/ea
Link 7/16" Co 3Fl 0.468 Pilot X 0.695 Cbore 1/2" Shank X 6" Oal 50-CO-187
Link

7/16" Co 3Fl 0.468 Pilot X 0.695 Cbore 1/2" Shank X 6" Oal

Zoro # G7641298
Mfr # 50-CO-187
product price: 
$105.99
/ea
Internal Tool A Nc-578-625 N/C Counterbore 85-5781
Internal Tool

A Nc-578-625 N/C Counterbore

Zoro # G200402502
Mfr # 85-5781
product price: 
$331.99
/ea
Super Tool Reduced Shank Counterbore, 1-7/16" D 52246
Super Tool

Reduced Shank Counterbore, 1-7/16" D

Zoro # G0331392
Mfr # 52246
product price: 
$202.99
/ea
Internal Tool A Nc-281-312 N/C Counterbore 85-2811
Internal Tool

A Nc-281-312 N/C Counterbore

Zoro # G600402386
Mfr # 85-2811
product price: 
$82.79
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 18-20, 11 mm 156620 5X11
Garant

Interchangeable Pilot Pin for Counterbore 156520 18-20, 11 mm

Zoro # G614389628
Mfr # 156620 5X11
product price: 
$33.15
/ea
Harvey Tool Counterbores-Flat Bottom, 676732, Uncoated, 1/2" Cutter Diameter, 1-1/2" Flute Length 676732
Harvey Tool

Counterbores-Flat Bottom, 676732, Uncoated, 1/2" Cutter Diameter, 1-1/2" Flute Length

Zoro # G422920709
Mfr # 676732
product price: 
$161.99
/ea
Internal Tool A Nc-625-625 N/C Counterbore 85-6251
Internal Tool

A Nc-625-625 N/C Counterbore

Zoro # G500402530
Mfr # 85-6251
product price: 
$333.99
/ea
Internal Tool A Nc-219-250 N/C Counterbore 85-2191
Internal Tool

A Nc-219-250 N/C Counterbore

Zoro # G900402406
Mfr # 85-2191
product price: 
$57.99
/ea
Internal Tool A Nc-406-437 N/C Counterbore 85-4061
Internal Tool

A Nc-406-437 N/C Counterbore

Zoro # G200402373
Mfr # 85-4061
product price: 
$126.99
/ea
Super Tool Counterbore, 13/16" D, Carbide Tipped 59810
Super Tool

Counterbore, 13/16" D, Carbide Tipped

Zoro # G0330193
Mfr # 59810
product price: 
$129.99
/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
Internal Tool A Nc-484-500 N/C Counterbore 85-4841
Internal Tool

A Nc-484-500 N/C Counterbore

Zoro # G200402397
Mfr # 85-4841
product price: 
$170.99
/ea
Tungaloy Solid End Mill Head, VGC160L15.0R08-, PK2 6859391
Tungaloy

Solid End Mill Head, VGC160L15.0R08-, PK2

Zoro # G201779061
Mfr # 6859391
product price: 
$314.99
/pk of 2, $157.50/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-515-562 N/C Counterbore 85-5151
Internal Tool

A Nc-515-562 N/C Counterbore

Zoro # G100402497
Mfr # 85-5151
product price: 
$232.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 21 mm 156620 10X21
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 21 mm

Zoro # G414389811
Mfr # 156620 10X21
product price: 
$47.45
/ea
Super Tool Counterbore, 31/32" D, Carbide Tipped 5799688
Super Tool

Counterbore, 31/32" D, Carbide Tipped

Zoro # G0329828
Mfr # 5799688
product price: 
$139.99
/ea
Internal Tool A Nc-437-437 N/C Counterbore 85-4371
Internal Tool

A Nc-437-437 N/C Counterbore

Zoro # G900402451
Mfr # 85-4371
product price: 
$127.99
/ea
Keo Counterbore, Close Fit, Size No 8, Cobalt 902-000-010
Keo

Counterbore, Close Fit, Size No 8, Cobalt

Zoro # G2292123
Mfr # 902-000-010
product price: 
$66.65
/ea
Porting Tools & Counterbores (993 items) - Page 13
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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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