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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

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
Garant Counterbore with Interchangeable Pilot Pins, 20 mm 156520 20
Garant

Counterbore with Interchangeable Pilot Pins, 20 mm

Zoro # G014389853
Mfr # 156520 20
product price: 
$108.99
/ea
Garant Counterbore with Interchangeable Pilot Pins, 15 mm 156520 15
Garant

Counterbore with Interchangeable Pilot Pins, 15 mm

Zoro # G414389903
Mfr # 156520 15
product price: 
$99.99
/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: 
$192.99
/ea
Super Tool Counterbore, 1-1/8" D, Carbide Tipped 59815
Super Tool

Counterbore, 1-1/8" D, Carbide Tipped

Zoro # G0329633
Mfr # 59815
product price: 
$145.99
/ea
Super Tool Counterbore, 1-3/16" D, Carbide Tipped 56416
Super Tool

Counterbore, 1-3/16" D, Carbide Tipped

Zoro # G0329843
Mfr # 56416
product price: 
$154.99
/ea
Link 10MM Co 3Fl 10.8 Pilot X 16.8 Cbore 9.53 Shank X 125 Oal 75-CO-525
Link

10MM Co 3Fl 10.8 Pilot X 16.8 Cbore 9.53 Shank X 125 Oal

Zoro # G7642506
Mfr # 75-CO-525
product price: 
$109.99
/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
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
Morse Cap Screw Counterbore, Straight Shank, Series 1766, 6 mm Screw, 04134 Bore Dia, 618 Overall Le 25749
Morse

Cap Screw Counterbore, Straight Shank, Series 1766, 6 mm Screw, 04134 Bore Dia, 618 Overall Le

Zoro # G808029064
Mfr # 25749
product price: 
$82.25
/ea
Kodiak Cutting Tools 1/2 Counterbore 1/32 Oversize Capscrew Style 5496062
Kodiak Cutting Tools

1/2 Counterbore 1/32 Oversize Capscrew Style

Zoro # G8644748
Mfr # 5496062
product price: 
$95.79
/ea
Link 3MM Co 3Fl 3.8 Pilot X 6.3 Cbore 6.35 Shank X 100 Oal 75-CO-520
Link

3MM Co 3Fl 3.8 Pilot X 6.3 Cbore 6.35 Shank X 100 Oal

Zoro # G7644956
Mfr # 75-CO-520
product price: 
$62.49
/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
Link 16MM HSS Se 16.67 X 17.46 Drill 24.60 Cbore 15.87 Shank 69.85 Oal 75-L2-528
Link

16MM HSS Se 16.67 X 17.46 Drill 24.60 Cbore 15.87 Shank 69.85 Oal

Zoro # G7644980
Mfr # 75-L2-528
product price: 
$52.15
/ea
Hhip 3/8 X 1/2" Shank High Speed Steel 2 Flute Solid  Cap Screw Counterbore 2007-0107
Hhip

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

Zoro # G2468218
Mfr # 2007-0107
product price: 
$24.89
/ea
Super Tool Counterbore, 1-7/16" D, Carbide Tipped 56420
Super Tool

Counterbore, 1-7/16" D, Carbide Tipped

Zoro # G0329861
Mfr # 56420
product price: 
$238.99
/ea
Link 12MM HSS Se 12.70 X 15.87 Drill 18.75 Cbore 15.87 Shank 61.91 Oal 75-L2-526
Link

12MM HSS Se 12.70 X 15.87 Drill 18.75 Cbore 15.87 Shank 61.91 Oal

Zoro # G7636224
Mfr # 75-L2-526
product price: 
$48.75
/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 #5 3Xd HSS Se .138 X .414 Drill .220 Cbore 1/4 Shank 2 Oal 50-L2-380
Link

#5 3Xd HSS Se .138 X .414 Drill .220 Cbore 1/4 Shank 2 Oal

Zoro # G7644840
Mfr # 50-L2-380
product price: 
$30.55
/ea
Kodiak Cutting Tools No. 4 Counterbores On Size Capscrew Style 5495655
Kodiak Cutting Tools

No. 4 Counterbores On Size Capscrew Style

Zoro # G8649480
Mfr # 5495655
product price: 
$46.15
/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 #8 3Xd HSS Se .178 X .534 Drill .290 Cbore 3/8 Shank 2-1/4 Oal 50-L2-382
Link

#8 3Xd HSS Se .178 X .534 Drill .290 Cbore 3/8 Shank 2-1/4 Oal

Zoro # G7642716
Mfr # 50-L2-382
product price: 
$35.15
/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
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
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
Link 8MM Co 3Fl 8.8 Pilot X 13.8 Cbore 7.94 Shank X 100 Oal 75-CO-524
Link

8MM Co 3Fl 8.8 Pilot X 13.8 Cbore 7.94 Shank X 100 Oal

Zoro # G7641246
Mfr # 75-CO-524
product price: 
$85.45
/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
Internal Tool A Nc-312-312 N/C Counterbore 85-3121
Internal Tool

A Nc-312-312 N/C Counterbore

Zoro # G100402381
Mfr # 85-3121
product price: 
$80.49
/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
Tungaloy Solid End Mill Head, VGC157L15.0R03-, PK2 6859506
Tungaloy

Solid End Mill Head, VGC157L15.0R03-, PK2

Zoro # G601779043
Mfr # 6859506
product price: 
$108.99
/pk of 2, $54.50/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
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
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
Super Tool Counterbore, 1-13/16" D, Carbide Tipped 56425
Super Tool

Counterbore, 1-13/16" D, Carbide Tipped

Zoro # G0329922
Mfr # 56425
product price: 
$396.99
/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
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
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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high speed steelscientific cutting toolsmetric shcs1-1/4 in counterboremetric counterbore

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