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  5. Cutting Tools
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  7. Porting Tools & Counterbores

Porting Tools & Counterbores (993 items) - Page 14

Link 3/8" Co 3Fl 0.406 Pilot X 0.604 Cbore 3/8" Shank X 5" Oal 50-CO-186
Link

3/8" Co 3Fl 0.406 Pilot X 0.604 Cbore 3/8" Shank X 5" Oal

Zoro # G7641270
Mfr # 50-CO-186
product price: 
$96.55
/ea
Super Tool Counterbore, 11/16" D, Carbide Tipped 59808
Super Tool

Counterbore, 11/16" D, Carbide Tipped

Zoro # G0330257
Mfr # 59808
product price: 
$134.99
/ea
Super Tool Counterbore, 29/32" D, Carbide Tipped 5779062
Super Tool

Counterbore, 29/32" D, Carbide Tipped

Zoro # G0330001
Mfr # 5779062
product price: 
$166.99
/ea
Tungaloy Solid End Mill Head, VGC080L08.0R10-, PK2 6859333
Tungaloy

Solid End Mill Head, VGC080L08.0R10-, PK2

Zoro # G401779007
Mfr # 6859333
product price: 
$142.99
/pk of 2, $71.50/ea
Link Ua7-1/2 English Shcs HSS Counterbore 60-L2-301
Link

Ua7-1/2 English Shcs HSS Counterbore

Zoro # G7644868
Mfr # 60-L2-301
product price: 
$52.39
/ea
Internal Tool A Nc-094-125 N/C Counterbore 85-0941
Internal Tool

A Nc-094-125 N/C Counterbore

Zoro # G500402363
Mfr # 85-0941
product price: 
$36.79
/ea
Tungaloy Solid End Mill Head, VGC117L10.0R03-, PK2 6859458
Tungaloy

Solid End Mill Head, VGC117L10.0R03-, PK2

Zoro # G801779058
Mfr # 6859458
product price: 
$68.69
/pk of 2, $34.35/ea
Super Tool Reduced Shank Counterbore, 17/32" D 52217
Super Tool

Reduced Shank Counterbore, 17/32" D

Zoro # G0331401
Mfr # 52217
product price: 
$91.15
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-117
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G721727269
Mfr # 902-000-117
product price: 
$73.39
/ea
Kodiak Cutting Tools 7/8 Counterbore 1/64 Oversize Capscrew Style 5495941
Kodiak Cutting Tools

7/8 Counterbore 1/64 Oversize Capscrew Style

Zoro # G8630407
Mfr # 5495941
product price: 
$225.99
/ea
Kodiak Cutting Tools No. 1 Counterbores On Size Capscrew Style 5495798
Kodiak Cutting Tools

No. 1 Counterbores On Size Capscrew Style

Zoro # G8614797
Mfr # 5495798
product price: 
$278.99
/ea
Harvey Tool 5/32 Cutter dia x 0.625 in. 5/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731610
Harvey Tool

5/32 Cutter dia x 0.625 in. 5/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G511325118
Mfr # 731610
product price: 
$52.39
/ea
Super Tool Counterbore, 17/32" D, Carbide Tipped 5775312
Super Tool

Counterbore, 17/32" D, Carbide Tipped

Zoro # G0330449
Mfr # 5775312
product price: 
$135.99
/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-609-625 N/C Counterbore 85-6091
Internal Tool

A Nc-609-625 N/C Counterbore

Zoro # G100402503
Mfr # 85-6091
product price: 
$331.99
/ea
Harvey Tool 1/2 in. Cutter dia. x 1 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated 23432-C8
Harvey Tool

1/2 in. Cutter dia. x 1 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated

Zoro # G811324668
Mfr # 23432-C8
product price: 
$176.99
/ea
Harvey Tool 3/16 Cutter dia. x .75 in. 3/4 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731612-C3
Harvey Tool

3/16 Cutter dia. x .75 in. 3/4 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated

Zoro # G011325069
Mfr # 731612-C3
product price: 
$61.15
/ea
Link Ua6-10MM Metric Shcs HSS Counterbore 72-L2-515
Link

Ua6-10MM Metric Shcs HSS Counterbore

Zoro # G7643967
Mfr # 72-L2-515
product price: 
$37.79
/ea
Kodiak Cutting Tools 7/16 Counterbore On Size Capscrew Style 5495743
Kodiak Cutting Tools

7/16 Counterbore On Size Capscrew Style

Zoro # G8654259
Mfr # 5495743
product price: 
$84.55
/ea
Harvey Tool 0.3437 in. 11/32 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731622
Harvey Tool

0.3437 in. 11/32 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G611325346
Mfr # 731622
product price: 
$102.99
/ea
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 1/16 Cutter dia. x 1/4 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731562-C3
Harvey Tool

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

Zoro # G711325017
Mfr # 731562-C3
product price: 
$63.19
/ea
Kodiak Cutting Tools No. 8 Counterbores 1/64 Oversize Capscrew Style 5495842
Kodiak Cutting Tools

No. 8 Counterbores 1/64 Oversize Capscrew Style

Zoro # G8620896
Mfr # 5495842
product price: 
$52.39
/ea
Harvey Tool Counterbores-Flat Bottom, 676708, Uncoated, 1/8" Cutter Diameter, 3/4" Flute Length 676708
Harvey Tool

Counterbores-Flat Bottom, 676708, Uncoated, 1/8" Cutter Diameter, 3/4" Flute Length

Zoro # G922920612
Mfr # 676708
product price: 
$50.79
/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
Link Ua5-8MM Metric Shcs HSS Counterbore 72-L2-514
Link

Ua5-8MM Metric Shcs HSS Counterbore

Zoro # G7642759
Mfr # 72-L2-514
product price: 
$32.95
/ea
Link No 6 Co 3Fl 0.169 Pilot X 0.260 Cbore 1/4" Shank X 4" Oal 50-CO-181
Link

No 6 Co 3Fl 0.169 Pilot X 0.260 Cbore 1/4" Shank X 4" Oal

Zoro # G7638890
Mfr # 50-CO-181
product price: 
$67.99
/ea
Harvey Tool 0.2812 in. 9/32 Cutter dia x 0.875 in. 7/8 Flute Length Carbide Flat Bottom Counterbore 731618
Harvey Tool

0.2812 in. 9/32 Cutter dia x 0.875 in. 7/8 Flute Length Carbide Flat Bottom Counterbore

Zoro # G211325203
Mfr # 731618
product price: 
$86.29
/ea
Kodiak Cutting Tools 7/8 Counterbore 1/32 Oversize Capscrew Style 5496095
Kodiak Cutting Tools

7/8 Counterbore 1/32 Oversize Capscrew Style

Zoro # G8642779
Mfr # 5496095
product price: 
$192.99
/ea
Qualtech Counterbore, Round Shank, Series DEWCBR, 6364 Bore, 638 Overall Length, 34 Shank Diameter, 5 DEWCBR63/64
Qualtech

Counterbore, Round Shank, Series DEWCBR, 6364 Bore, 638 Overall Length, 34 Shank Diameter, 5

Zoro # G808029088
Mfr # DEWCBR63/64
product price: 
$76.99
/ea
Harvey Tool Counterbores-Flat Bottom, 676732-C3, AlTiN, 1/2" Cutter Diameter, 1-1/2" Flute Length 676732-C3
Harvey Tool

Counterbores-Flat Bottom, 676732-C3, AlTiN, 1/2" Cutter Diameter, 1-1/2" Flute Length

Zoro # G122920757
Mfr # 676732-C3
product price: 
$184.99
/ea
Kodiak Cutting Tools No. 5 Counterbores On Size Capscrew Style 5495666
Kodiak Cutting Tools

No. 5 Counterbores On Size Capscrew Style

Zoro # G8655074
Mfr # 5495666
product price: 
$40.95
/ea
Link Ua7-3/8 English Shcs HSS Counterbore 60-L2-299
Link

Ua7-3/8 English Shcs HSS Counterbore

Zoro # G7638744
Mfr # 60-L2-299
product price: 
$30.99
/ea
Link 7/16" 3Xd HSS Se .468 X 1.404 Drill .688 Cbore 1/2 Shank 4 Oal 50-L2-387
Link

7/16" 3Xd HSS Se .468 X 1.404 Drill .688 Cbore 1/2 Shank 4 Oal

Zoro # G7638778
Mfr # 50-L2-387
product price: 
$81.49
/ea
Harvey Tool 1/8 in. Cutter dia. x 1/2 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated 23408-C8
Harvey Tool

1/8 in. Cutter dia. x 1/2 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated

Zoro # G711326410
Mfr # 23408-C8
product price: 
$58.49
/ea
Super Tool Reduced Shank Counterbore, 1-15/16" D 52262
Super Tool

Reduced Shank Counterbore, 1-15/16" D

Zoro # G0331453
Mfr # 52262
product price: 
$269.99
/ea
Porting Tools & Counterbores (993 items) - Page 14
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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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