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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 18

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
Super Tool Reduced Shank Counterbore, 31/32" D 52231
Super Tool

Reduced Shank Counterbore, 31/32" D

Zoro # G0331243
Mfr # 52231
product price:  $138.99
/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
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G021726566
Mfr # 902-000-129
product price:  $76.79
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G621726720
Mfr # 902-000-099
product price:  $63.69
/ea
Link Ua7-7/16 English Shcs HSS Counterbore 60-L2-300
Link

Ua7-7/16 English Shcs HSS Counterbore

Zoro # G7641316
Mfr # 60-L2-300
product price:  $44.25
/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
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
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
Hhip 3/4 X 13/16 High Speed Steel 3 Flute Solid  Pilot Counterbore 2007-0034
Hhip

3/4 X 13/16 High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2467956
Mfr # 2007-0034
product price:  $28.25
/ea
Kodiak Cutting Tools No. 6 Counterbores 1/32 Oversize Capscrew Style 5495985
Kodiak Cutting Tools

No. 6 Counterbores 1/32 Oversize Capscrew Style

Zoro # G8633590
Mfr # 5495985
product price:  $43.69
/ea
Hhip 1/4 X 3/8" Shank High Speed Steel 2 Flute Solid  Cap Screw Counterbore 2007-0105
Hhip

1/4 X 3/8" Shank High Speed Steel 2 Flute Solid Cap Screw Counterbore

Zoro # G2468193
Mfr # 2007-0105
product price:  $17.99
/ea
No Product Image Available
Keo

Counterbore, Metric, 71 mm

Zoro # G821726780
Mfr # 902-000-210
product price:  $59.29
/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 #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
Link 1/4" 3Xd HSS Se .280 X .840 Drill .406 Cbore 3/8 Shank 2-3/4 Oal 50-L2-384
Link

1/4" 3Xd HSS Se .280 X .840 Drill .406 Cbore 3/8 Shank 2-3/4 Oal

Zoro # G7636084
Mfr # 50-L2-384
product price:  $40.25
/ea
Tungaloy Solid End Mill Head, VGC120L10.0R20-, PK2 6859335
Tungaloy

Solid End Mill Head, VGC120L10.0R20-, PK2

Zoro # G901779019
Mfr # 6859335
product price:  $201.99
/pk 2, $101.00/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
No Product Image Available
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G321726266
Mfr # 902-000-165
product price:  $177.99
/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
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G621727673
Mfr # 902-000-323
product price:  $71.15
/ea
Tungaloy Solid End Mill Head, VGC160L15.0R04-, PK2 6859480
Tungaloy

Solid End Mill Head, VGC160L15.0R04-, PK2

Zoro # G501779006
Mfr # 6859480
product price:  $314.99
/pk 2, $157.50/ea
Super Tool Counterbore, 1/2" D, Carbide Tipped 59805
Super Tool

Counterbore, 1/2" D, Carbide Tipped

Zoro # G0329977
Mfr # 59805
product price:  $112.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G321726624
Mfr # 902-000-120
product price:  $73.39
/ea
Super Tool Reduced Shank Counterbore, 5/16" D 52210
Super Tool

Reduced Shank Counterbore, 5/16" D

Zoro # G0331313
Mfr # 52210
product price:  $74.69
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G521725823
Mfr # 902-000-141
product price:  $93.39
/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:  $185.99
/ea
Super Tool Counterbore, 13/32" D, Carbide Tipped 5794062
Super Tool

Counterbore, 13/32" D, Carbide Tipped

Zoro # G0330053
Mfr # 5794062
product price:  $114.99
/ea
Internal Tool A Nc-359-375 N/C Counterbore 85-3591
Internal Tool

A Nc-359-375 N/C Counterbore

Zoro # G500402424
Mfr # 85-3591
product price:  $103.99
/ea
Internal Tool A Nc-343-375 N/C Counterbore 85-3431
Internal Tool

A Nc-343-375 N/C Counterbore

Zoro # G600402379
Mfr # 85-3431
product price:  $108.99
/ea
Link 6MM Co 3Fl 6.8 Pilot X 10.8 Cbore 7.94 Shank X 100 Oal 75-CO-523
Link

6MM Co 3Fl 6.8 Pilot X 10.8 Cbore 7.94 Shank X 100 Oal

Zoro # G7639934
Mfr # 75-CO-523
product price:  $81.15
/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:  $81.69
/ea
Harvey Tool Counterbores-Flat Bottom, 676708-C3, AlTiN, 1/8" Cutter Diameter, 3/4" Flute Length 676708-C3
Harvey Tool

Counterbores-Flat Bottom, 676708-C3, AlTiN, 1/8" Cutter Diameter, 3/4" Flute Length

Zoro # G722920706
Mfr # 676708-C3
product price:  $59.39
/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
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
Super Tool Counterbore, 1-3/8" D, Carbide Tipped 56419
Super Tool

Counterbore, 1-3/8" D, Carbide Tipped

Zoro # G0329889
Mfr # 56419
product price:  $175.99
/ea
Porting Tools & Counterbores (993 items) - Page 18
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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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counter bore setmetric shcsinterchangeable pilot counterboremetric counterborehigh speed steel
metric counterbore set1-1/4 in counterborepilot counterborecounter bore pilotcounterbores - flat bottom

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