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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 7

Garant Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 10X4.2 mm 156220 10X4,2
Garant

Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 10X4.2 mm

Zoro # G514375578
Mfr # 156220 10X4,2
product price: 
$22.75
/ea
Garant Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 6.5X2.9 mm 156220 6,5X2,9
Garant

Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 6.5X2.9 mm

Zoro # G814376060
Mfr # 156220 6,5X2,9
product price: 
$25.99
/ea
Drill America No 5 .141 Continuous Pilot Capscrew Counterbore DEWCSCBR5
Drill America

No 5 .141 Continuous Pilot Capscrew Counterbore

Zoro # G1739640
Mfr # DEWCSCBR5
product price: 
$25.15
/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
Garant Interchangeable Pilot Pin for Counterbore 156520 24, 12 mm 156620 6X12
Garant

Interchangeable Pilot Pin for Counterbore 156520 24, 12 mm

Zoro # G414389705
Mfr # 156620 6X12
product price: 
$36.45
/ea
Harvey Tool Counterbores-Flat Bottom, 676716, Uncoated, 1/4" Cutter Diameter, 1-5/16" Flute Length 676716
Harvey Tool

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

Zoro # G722920553
Mfr # 676716
product price: 
$68.65
/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
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
Super Tool Reduced Shank Counterbore, 1-3/16" D 52238
Super Tool

Reduced Shank Counterbore, 1-3/16" D

Zoro # G0331499
Mfr # 52238
product price: 
$202.99
/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
Super Tool Counterbore, 2" D, Carbide Tipped 56428
Super Tool

Counterbore, 2" D, Carbide Tipped

Zoro # G0330248
Mfr # 56428
product price: 
$414.99
/ea
Kodiak Cutting Tools No. 3/4 Counterbores On Size Capscrew Style 5495776
Kodiak Cutting Tools

No. 3/4 Counterbores On Size Capscrew Style

Zoro # G8619855
Mfr # 5495776
product price: 
$183.99
/ea
Qualtech Counterbore, Morse Taper Shank, Series DEWCBR, 238 Bore, 978 Overall Length, 5 Shank Diamete DEWCBRTS2-3/8
Qualtech

Counterbore, Morse Taper Shank, Series DEWCBR, 238 Bore, 978 Overall Length, 5 Shank Diamete

Zoro # G708029089
Mfr # DEWCBRTS2-3/8
product price: 
$404.99
/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
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
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-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
Super Tool 1 in. dia. Carbide Tipped Counterbore for Steel, Morse Taper Shank No. 3, 3 flutes 47421
Super Tool

1 in. dia. Carbide Tipped Counterbore for Steel, Morse Taper Shank No. 3, 3 flutes

Zoro # G810744221
Mfr # 47421
product price: 
$174.99
/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 2, $54.50/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
Link 5/8" Co 3Fl 0.655 Pilot X 0.978 Cbore 5/8" Shank X 6" Oal 50-CO-189
Link

5/8" Co 3Fl 0.655 Pilot X 0.978 Cbore 5/8" Shank X 6" Oal

Zoro # G7642698
Mfr # 50-CO-189
product price: 
$183.99
/ea
Super Tool Reduced Shank Counterbore, 1-5/8" D 52252
Super Tool

Reduced Shank Counterbore, 1-5/8" D

Zoro # G0331383
Mfr # 52252
product price: 
$280.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 26-30, 12 mm 156620 8X12
Garant

Interchangeable Pilot Pin for Counterbore 156520 26-30, 12 mm

Zoro # G914389564
Mfr # 156620 8X12
product price: 
$38.19
/ea
Internal Tool A Nc-390-437 N/C Counterbore 85-3901
Internal Tool

A Nc-390-437 N/C Counterbore

Zoro # G100402466
Mfr # 85-3901
product price: 
$127.99
/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: 
$53.95
/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
Internal Tool A Nc-265-312 N/C Counterbore 85-2651
Internal Tool

A Nc-265-312 N/C Counterbore

Zoro # G000402450
Mfr # 85-2651
product price: 
$80.79
/ea
Super Tool Counterbore, 29/32" D, Carbide Tipped 5799062
Super Tool

Counterbore, 29/32" D, Carbide Tipped

Zoro # G0330239
Mfr # 5799062
product price: 
$170.99
/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
Kodiak Cutting Tools 1/4 Counterbore On Size Capscrew Style 5495710
Kodiak Cutting Tools

1/4 Counterbore On Size Capscrew Style

Zoro # G8645974
Mfr # 5495710
product price: 
$49.35
/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
Link Ua3-4MM Metric Shcs HSS Counterbore 72-L2-511
Link

Ua3-4MM Metric Shcs HSS Counterbore

Zoro # G7639995
Mfr # 72-L2-511
product price: 
$24.49
/ea
Link #8 HSS Se .178 X .281 Drill .290 Cbore 5/16 Shank 1-15/32 Oal 50-L2-182
Link

#8 HSS Se .178 X .281 Drill .290 Cbore 5/16 Shank 1-15/32 Oal

Zoro # G7636215
Mfr # 50-L2-182
product price: 
$21.45
/ea
Super Tool Counterbore, 7/8" D, Carbide Tipped 56411
Super Tool

Counterbore, 7/8" D, Carbide Tipped

Zoro # G0330117
Mfr # 56411
product price: 
$136.99
/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
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: 
$241.99
/ea
Porting Tools & Counterbores (993 items) - Page 7
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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

Drill BitsTapsHole Saws & CuttersEnd MillsWrenches
Sockets & RatchetsMeasuring and Layout ToolsClampsCutting and Shaping ToolsScrewdrivers and Nutdrivers
counter bore pilotmetric counterbore set5/8 counterborepilot counterboreinterchangeable pilot counterbore
high speed steelscientific cutting toolsmetric shcs1-1/4 in counterboremetric counterbore

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