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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 16

Harvey Tool Counterbores - Flat Bottom 23360
Harvey Tool

Counterbores - Flat Bottom

Zoro # G501019232
Mfr # 23360
product price: 
$48.89
/ea
Link 1/2" HSS Se .532 X .562 Drill .781 Cbore 5/8 Shank 2-11/16 Oal 50-L2-188
Link

1/2" HSS Se .532 X .562 Drill .781 Cbore 5/8 Shank 2-11/16 Oal

Zoro # G7638735
Mfr # 50-L2-188
product price: 
$51.19
/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
Kodiak Cutting Tools 1/4 Counterbore 1/32 Oversize Capscrew Style 5496018
Kodiak Cutting Tools

1/4 Counterbore 1/32 Oversize Capscrew Style

Zoro # G8636269
Mfr # 5496018
product price: 
$51.15
/ea
Link Ua3 #5 English Shcs HSS Counterbore 60-L2-293
Link

Ua3 #5 English Shcs HSS Counterbore

Zoro # G7636118
Mfr # 60-L2-293
product price: 
$21.75
/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 Reduced Shank Counterbore, 5/8" D 52220
Super Tool

Reduced Shank Counterbore, 5/8" D

Zoro # G0331130
Mfr # 52220
product price: 
$108.99
/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
Super Tool Counterbore, 9/16" D, Carbide Tipped 59806
Super Tool

Counterbore, 9/16" D, Carbide Tipped

Zoro # G0329913
Mfr # 59806
product price: 
$122.99
/ea
Kodiak Cutting Tools No. 5/16 Counterbores 1/64 Oversize Capscrew Style 5495875
Kodiak Cutting Tools

No. 5/16 Counterbores 1/64 Oversize Capscrew Style

Zoro # G8614815
Mfr # 5495875
product price: 
$70.55
/ea
Harvey Tool 3/8  in. Cutter dia. x 1  in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731624-C3
Harvey Tool

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

Zoro # G011325380
Mfr # 731624-C3
product price: 
$118.99
/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: 
$170.99
/ea
Super Tool Counterbore, 27/32" D, Carbide Tipped 5798438
Super Tool

Counterbore, 27/32" D, Carbide Tipped

Zoro # G0330187
Mfr # 5798438
product price: 
$158.99
/ea
Morse Cap Screw Counterbore, Straight Shank, Series 1766, 10 mm Screw, 06496 Bore Dia, 7 Overall Lengt 25751
Morse

Cap Screw Counterbore, Straight Shank, Series 1766, 10 mm Screw, 06496 Bore Dia, 7 Overall Lengt

Zoro # G208029138
Mfr # 25751
product price: 
$107.99
/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
Garant Interchangeable Pilot Pin for Counterbore 156520 24, 8.5 mm 156620 6X8,5
Garant

Interchangeable Pilot Pin for Counterbore 156520 24, 8.5 mm

Zoro # G314389683
Mfr # 156620 6X8,5
product price: 
$37.85
/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, 23/32" D, Carbide Tipped 5797188
Super Tool

Counterbore, 23/32" D, Carbide Tipped

Zoro # G0330071
Mfr # 5797188
product price: 
$122.99
/ea
Harvey Tool 0.4375 in. 7/16 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731628
Harvey Tool

0.4375 in. 7/16 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G911325404
Mfr # 731628
product price: 
$114.99
/ea
Link 16MM Co 3Fl 16.8 Pilot X 24.8 Cbore 12.7 Shank X 150 Oal 75-CO-528
Link

16MM Co 3Fl 16.8 Pilot X 24.8 Cbore 12.7 Shank X 150 Oal

Zoro # G7636206
Mfr # 75-CO-528
product price: 
$131.99
/ea
Internal Tool A Nc-656-750 N/C Counterbore 85-6561
Internal Tool

A Nc-656-750 N/C Counterbore

Zoro # G700402491
Mfr # 85-6561
product price: 
$444.99
/ea
Internal Tool A Nc-297-312 N/C Counterbore 85-2971
Internal Tool

A Nc-297-312 N/C Counterbore

Zoro # G200402403
Mfr # 85-2971
product price: 
$80.49
/ea
Link 4MM HSS Se 4.36 X 7.54 Drill 7.54 Cbore 6.35 Shank 34.92 Oal 75-L2-521
Link

4MM HSS Se 4.36 X 7.54 Drill 7.54 Cbore 6.35 Shank 34.92 Oal

Zoro # G7643775
Mfr # 75-L2-521
product price: 
$20.89
/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
Internal Tool A Nc-375-375 N/C Counterbore 85-3751
Internal Tool

A Nc-375-375 N/C Counterbore

Zoro # G600402423
Mfr # 85-3751
product price: 
$108.99
/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 #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
Link 3/8" 3Xd HSS Se .406 X 1.218 Drill .593 Cbore 1/2 Shank 3-1/2 Oal 50-L2-386
Link

3/8" 3Xd HSS Se .406 X 1.218 Drill .593 Cbore 1/2 Shank 3-1/2 Oal

Zoro # G7638805
Mfr # 50-L2-386
product price: 
$64.29
/ea
Kodiak Cutting Tools No. 3/8 Counterbores 1/32 Oversize Capscrew Style 5496040
Kodiak Cutting Tools

No. 3/8 Counterbores 1/32 Oversize Capscrew Style

Zoro # G8640170
Mfr # 5496040
product price: 
$71.35
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 17.5 mm 156620 10X17,5
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 17.5 mm

Zoro # G014389785
Mfr # 156620 10X17,5
product price: 
$47.45
/ea
Kodiak Cutting Tools No. 1 Counterbores 1/32 Oversize Capscrew Style 5496106
Kodiak Cutting Tools

No. 1 Counterbores 1/32 Oversize Capscrew Style

Zoro # G8615357
Mfr # 5496106
product price: 
$250.99
/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
Garant Interchangeable Pilot Pin for Counterbore 156520 26-30, 17.5 mm 156620 8X17,5
Garant

Interchangeable Pilot Pin for Counterbore 156520 26-30, 17.5 mm

Zoro # G514389551
Mfr # 156620 8X17,5
product price: 
$39.75
/ea
Super Tool Reduced Shank Counterbore, 1-13/16" D 52258
Super Tool

Reduced Shank Counterbore, 1-13/16" D

Zoro # G0331462
Mfr # 52258
product price: 
$247.99
/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 #10 HSS Se .200 X .312 Drill .332 Cbore 5/16 Shank 1-1/2 Oal 50-L2-183
Link

#10 HSS Se .200 X .312 Drill .332 Cbore 5/16 Shank 1-1/2 Oal

Zoro # G7638875
Mfr # 50-L2-183
product price: 
$20.35
/ea
Porting Tools & Counterbores (993 items) - Page 16
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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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