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  1. Home
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  5. Cutting Tools
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  7. Porting Tools & Counterbores

Porting Tools & Counterbores (999 items) - Page 5

Drill America 1-3/4" X 7/16" Pilot Hole HSS Taper Shank Counterbore DEWCBRTS1-3/4
Drill America

1-3/4" X 7/16" Pilot Hole HSS Taper Shank Counterbore

Zoro # G1741384
Mfr # DEWCBRTS1-3/4
product price:  $151.99
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 7/16-20 UNJF MS33649-4R
Scientific Cutting Tools

Port Tool, MS33649, Reamer, 7/16-20 UNJF

Zoro # G8406955
Mfr # MS33649-4R
product price:  $226.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Reamer, 3/4-16 UNF MS16142-8R
Scientific Cutting Tools

Port Tool, MS16142, Reamer, 3/4-16 UNF

Zoro # G7807396
Mfr # MS16142-8R
product price:  $289.99
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 3/4-16 UNJF MS33649-8R
Scientific Cutting Tools

Port Tool, MS33649, Reamer, 3/4-16 UNJF

Zoro # G8049081
Mfr # MS33649-8R
product price:  $239.99
/ea
Keo Counterbore, 1/64 Clearance, Size 1/4, Co 902-000-017
Keo

Counterbore, 1/64 Clearance, Size 1/4, Co

Zoro # G1279327
Mfr # 902-000-017
product price:  $71.15
/ea
Scientific Cutting Tools Port Tool, MS33649, Solid, 9/16-18 UNJF MS33649-6S
Scientific Cutting Tools

Port Tool, MS33649, Solid, 9/16-18 UNJF

Zoro # G8169226
Mfr # MS33649-6S
product price:  $212.99
/ea
Keo Counterbore Set, Metric, 6 pcs., 3F, Medium 902-000-069
Keo

Counterbore Set, Metric, 6 pcs., 3F, Medium

Zoro # G8925472
Mfr # 902-000-069
product price:  $402.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Reamer, 7/16-20 UNF MS16142-4R
Scientific Cutting Tools

Port Tool, MS16142, Reamer, 7/16-20 UNF

Zoro # G7550295
Mfr # MS16142-4R
product price:  $237.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Solid, 3/4-16 UNF MS16142-8S
Scientific Cutting Tools

Port Tool, MS16142, Solid, 3/4-16 UNF

Zoro # G8209966
Mfr # MS16142-8S
product price:  $230.99
/ea
Cleveland Counterbore, 3.000" L, 0.219" dia., Bright C91696
Cleveland

Counterbore, 3.000" L, 0.219" dia., Bright

Zoro # G4851152
Mfr # C91696
product price:  $119.99
/ea
Keo Counterbore, 1/64 Clearance, Size 5/16, Co 902-000-020
Keo

Counterbore, 1/64 Clearance, Size 5/16, Co

Zoro # G0742113
Mfr # 902-000-020
product price:  $74.69
/ea
Cleveland Counterbore, 5.750" L, 0.375" dia., Bright C92705
Cleveland

Counterbore, 5.750" L, 0.375" dia., Bright

Zoro # G4869547
Mfr # C92705
product price:  $138.99
/ea
Cleveland Port Tool, 4.063" L, 0.312" dia., Bright C46427
Cleveland

Port Tool, 4.063" L, 0.312" dia., Bright

Zoro # G4854549
Mfr # C46427
product price:  $133.99
/ea
Cleveland Counterbore, 7.250" L, 0.500" dia., Bright C91723
Cleveland

Counterbore, 7.250" L, 0.500" dia., Bright

Zoro # G4756083
Mfr # C91723
product price:  $196.99
/ea
Keo Counterbore, Close Fit, Size 1/2, Cobalt 902-000-028
Keo

Counterbore, Close Fit, Size 1/2, Cobalt

Zoro # G0746645
Mfr # 902-000-028
product price:  $98.29
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46894
Cleveland

Port Tool, 2.813" L, 0.250" dia., Bright

Zoro # G4777217
Mfr # C46894
product price:  $115.99
/ea
Super Tool Reduced Shank Counterbore, 1/4" D 52208
Super Tool

Reduced Shank Counterbore, 1/4" D

Zoro # G0331541
Mfr # 52208
product price:  $65.89
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46898
Cleveland

Port Tool, 2.813" L, 0.250" dia., Bright

Zoro # G4821113
Mfr # C46898
product price:  $135.99
/ea
Cleveland Counterbore, 7.000" L, 0.500" dia., Bright C91833
Cleveland

Counterbore, 7.000" L, 0.500" dia., Bright

Zoro # G4876468
Mfr # C91833
product price:  $248.99
/ea
Keo Counterbore, Close Fit, Size 3/8, Cobalt 902-000-022
Keo

Counterbore, Close Fit, Size 3/8, Cobalt

Zoro # G2453586
Mfr # 902-000-022
product price:  $83.65
/ea
Scientific Cutting Tools Port Tool, MS33649, Solid, 3/8-24 UNJF MS33649-3S
Scientific Cutting Tools

Port Tool, MS33649, Solid, 3/8-24 UNJF

Zoro # G8216835
Mfr # MS33649-3S
product price:  $194.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Solid, 5/16-24 UNF MS16142-2S
Scientific Cutting Tools

Port Tool, MS16142, Solid, 5/16-24 UNF

Zoro # G7922397
Mfr # MS16142-2S
product price:  $185.99
/ea
Super Tool Reduced Shank Counterbore, 1" D 52232
Super Tool

Reduced Shank Counterbore, 1" D

Zoro # G0331289
Mfr # 52232
product price:  $137.99
/ea
Keo No 6 through 1/2" +1/32 Oversize Kounterbore Set 902-000-042
Keo

No 6 through 1/2" +1/32 Oversize Kounterbore Set

Zoro # G2600656
Mfr # 902-000-042
product price:  $552.99
/ea
Cleveland Pilot for Counterbores, 3/32 in, 3/32 in C46523
Cleveland

Pilot for Counterbores, 3/32 in, 3/32 in

Zoro # G4800210
Mfr # C46523
product price:  $31.69
/ea
Scientific Cutting Tools Port Tool, MS16142, Solid, 1 5/16-12 UN MS16142-16S
Scientific Cutting Tools

Port Tool, MS16142, Solid, 1 5/16-12 UN

Zoro # G7937352
Mfr # MS16142-16S
product price:  $298.99
/ea
Link 5/16" 3Xd HSS Se .340 X 1.020 Drill .490 Cbore 1/2 Shank 3 Oal 50-L2-385
Link

5/16" 3Xd HSS Se .340 X 1.020 Drill .490 Cbore 1/2 Shank 3 Oal

Zoro # G7637344
Mfr # 50-L2-385
product price:  $57.45
/ea
Hhip 1/2 X 17/32 High Speed Steel 3 Flute Solid  Pilot Counterbore 2007-0032
Hhip

1/2 X 17/32 High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2468069
Mfr # 2007-0032
product price:  $20.79
/ea
Super Tool Counterbore, 7/16" D, Carbide Tipped 56404
Super Tool

Counterbore, 7/16" D, Carbide Tipped

Zoro # G0330123
Mfr # 56404
product price:  $98.89
/ea
Harvey Tool 0.1968 in. Cutter dia. x .75 in. 3/4 Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated 2345M-C8
Harvey Tool

0.1968 in. Cutter dia. x .75 in. 3/4 Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated

Zoro # G311324779
Mfr # 2345M-C8
product price:  $74.79
/ea
Harvey Tool 3/16 Cutter dia. x .75  in. 3/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 23412-C8
Harvey Tool

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

Zoro # G711326403
Mfr # 23412-C8
product price:  $55.25
/ea
Scientific Cutting Tools Port Tool, MS16142, Solid, 9/16-18 UNF MS16142-6S
Scientific Cutting Tools

Port Tool, MS16142, Solid, 9/16-18 UNF

Zoro # G8435323
Mfr # MS16142-6S
product price:  $214.99
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 7/8-14 UNJF MS33649-10R
Scientific Cutting Tools

Port Tool, MS33649, Reamer, 7/8-14 UNJF

Zoro # G8281987
Mfr # MS33649-10R
product price:  $257.99
/ea
Keo Counterbore, Close Fit, Size 5/16, Cobalt 902-000-019
Keo

Counterbore, Close Fit, Size 5/16, Cobalt

Zoro # G2520061
Mfr # 902-000-019
product price:  $65.39
/ea
Harvey Tool Counterbores - Flat Bottom 23340
Harvey Tool

Counterbores - Flat Bottom

Zoro # G401019899
Mfr # 23340
product price:  $49.25
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.5000" (1/2) 25532-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.5000" (1/2)

Zoro # G7167048
Mfr # 25532-C3
product price:  $225.99
/ea
Porting Tools & Counterbores (999 items) - Page 5
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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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metric counterborecounter bore pilotmetric counterbore setinterchangeable pilot counterbore1-1/4 in counterbore
high speed steelcounter bore setcounterbores - flat bottom5/8 counterborepilot counterbore

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