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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 2

Keo Counterbore, 1/32 Clearance, Size 5/8, Co 902-000-033
Keo

Counterbore, 1/32 Clearance, Size 5/8, Co

Zoro # G1975653
Mfr # 902-000-033
product price:  $177.99
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 9/16-18 UNJF MS33649-6R
Scientific Cutting Tools

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

Zoro # G7834565
Mfr # MS33649-6R
product price:  $248.99
/ea
Super Tool Reduced Shank Counterbore, 1/2" D 52216
Super Tool

Reduced Shank Counterbore, 1/2" D

Zoro # G0331340
Mfr # 52216
product price:  $103.99
/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 Reduced Shank Counterbore, 9/16" D 52218
Super Tool

Reduced Shank Counterbore, 9/16" D

Zoro # G0331167
Mfr # 52218
product price:  $122.56
/ea
Hhip M5 X 5.5mm HSS 3 Flute Straight Shank Solid Pilot Counterbore 2007-0057
Hhip

M5 X 5.5mm HSS 3 Flute Straight Shank Solid Pilot Counterbore

Zoro # G2468288
Mfr # 2007-0057
product price:  $15.19
/ea
Super Tool Reduced Shank Counterbore, 13/32" D 52213
Super Tool

Reduced Shank Counterbore, 13/32" D

Zoro # G0331322
Mfr # 52213
product price:  $84.99
/ea
Link #10 3Xd HSS Se .200 X .600 Drill .332 Cbore 3/8 Shank 2-1/4 Oal 50-L2-383
Link

#10 3Xd HSS Se .200 X .600 Drill .332 Cbore 3/8 Shank 2-1/4 Oal

Zoro # G7640004
Mfr # 50-L2-383
product price:  $38.29
/ea
Scientific Cutting Tools PortTool, 1-1/16"-12, 2-1/8in, Straight MS16142-12R
Scientific Cutting Tools

PortTool, 1-1/16"-12, 2-1/8in, Straight

Zoro # G8390681
Mfr # MS16142-12R
product price:  $311.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Solid, 3/8-24 UNF MS16142-3S
Scientific Cutting Tools

Port Tool, MS16142, Solid, 3/8-24 UNF

Zoro # G8237117
Mfr # MS16142-3S
product price:  $199.99
/ea
Keo Counterbore, Close Fit, Size No 4, Cobalt 902-000-001
Keo

Counterbore, Close Fit, Size No 4, Cobalt

Zoro # G1364081
Mfr # 902-000-001
product price:  $55.29
/ea
Drill America 3/8" 13/32" Continuous Pilot Capscrew Counterbore DEWCSCBR3/8
Drill America

3/8" 13/32" Continuous Pilot Capscrew Counterbore

Zoro # G1741418
Mfr # DEWCSCBR3/8
product price:  $34.15
/ea
Harvey Tool Counterbores - Flat Bottom, 0.5625" (9/16), Number of Flutes: 4 23436
Harvey Tool

Counterbores - Flat Bottom, 0.5625" (9/16), Number of Flutes: 4

Zoro # G7155069
Mfr # 23436
product price:  $224.99
/ea
No Product Image Available
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G621725273
Mfr # 902-000-293
product price:  $647.99
/ea
Hhip 1/2 X 3/4" Shank High Speed Steel 2 Flute Solid  Cap Screw Counterbore 2007-0109
Hhip

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

Zoro # G2468236
Mfr # 2007-0109
product price:  $21.79
/ea
Hhip 7/16 X 1/2" High Speed Steel 2 Flute Solid  Cap Screw Counterbore 2007-0108
Hhip

7/16 X 1/2" High Speed Steel 2 Flute Solid Cap Screw Counterbore

Zoro # G2467999
Mfr # 2007-0108
product price:  $29.69
/ea
Super Tool Reduced Shank Counterbore, 1-1/4" D 52240
Super Tool

Reduced Shank Counterbore, 1-1/4" D

Zoro # G0331532
Mfr # 52240
product price:  $227.62
/ea
Super Tool Reduced Shank Counterbore, 1-7/16" D 52246
Super Tool

Reduced Shank Counterbore, 1-7/16" D

Zoro # G0331392
Mfr # 52246
product price:  $202.99
/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
Link #4 HSS Se .125 X .220 Drill .197 Cbore 1/4 Shank 1-3/16 Oal 50-L2-179
Link

#4 HSS Se .125 X .220 Drill .197 Cbore 1/4 Shank 1-3/16 Oal

Zoro # G7636109
Mfr # 50-L2-179
product price:  $21.29
/ea
Hhip 6 Piece M4-M12 HSS 3 Flute Straight Shank Solid Pilot Counterbore Set 2007-0001
Hhip

6 Piece M4-M12 HSS 3 Flute Straight Shank Solid Pilot Counterbore Set

Zoro # G612482277
Mfr # 2007-0001
product price:  $54.29
/ea
Hhip M10 X 11mm HSS 3 Flute Straight Shank Solid Pilot Counterbore 2007-0064
Hhip

M10 X 11mm HSS 3 Flute Straight Shank Solid Pilot Counterbore

Zoro # G2468157
Mfr # 2007-0064
product price:  $41.99
/ea
Super Tool Reduced Shank Counterbore, 17/32" D 52217
Super Tool

Reduced Shank Counterbore, 17/32" D

Zoro # G0331401
Mfr # 52217
product price:  $91.15
/ea
Drill America 1-1/8" X 5/16" Pilots for Counterbore DEWPIL1-1/8X5/16
Drill America

1-1/8" X 5/16" Pilots for Counterbore

Zoro # G1746178
Mfr # DEWPIL1-1/8X5/16
product price:  $26.15
/ea
Harvey Tool Counterbores - Flat Bottom 23320-C3
Harvey Tool

Counterbores - Flat Bottom

Zoro # G601020039
Mfr # 23320-C3
product price:  $54.19
/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:  $142.13
/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
Cleveland Counterbore, 6.000" L, 0.438" dia., Bright C91710
Cleveland

Counterbore, 6.000" L, 0.438" dia., Bright

Zoro # G4799669
Mfr # C91710
product price:  $141.99
/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
Drill America No 10 .189mm Machine Screw Solid Counterbore DEWCBRSOL10
Drill America

No 10 .189mm Machine Screw Solid Counterbore

Zoro # G1743999
Mfr # DEWCBRSOL10
product price:  $13.65
/ea
Garant Mini Counterbore for Through Holes, 180 Deg, Uncoated, 3.3X1.7 mm 155700 3,3X1,7
Garant

Mini Counterbore for Through Holes, 180 Deg, Uncoated, 3.3X1.7 mm

Zoro # G914389700
Mfr # 155700 3,3X1,7
product price:  $30.99
/ea
Scientific Cutting Tools Port Tool, 1-5/8"-12, 2-1/4 in, Straight MS33649-20R
Scientific Cutting Tools

Port Tool, 1-5/8"-12, 2-1/4 in, Straight

Zoro # G8326683
Mfr # MS33649-20R
product price:  $401.99
/ea
Hhip 5/16 X 11/32 High Speed Steel 3 Flute Solid  Pilot Counterbore 2007-0020
Hhip

5/16 X 11/32 High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2467904
Mfr # 2007-0020
product price:  $18.29
/ea
Link 8MM HSS Se 8.73 X 11.11 Drill 13.49 Cbore 11.11 Shank 46.04 Oal 75-L2-524
Link

8MM HSS Se 8.73 X 11.11 Drill 13.49 Cbore 11.11 Shank 46.04 Oal

Zoro # G7643809
Mfr # 75-L2-524
product price:  $29.75
/ea
Hhip No 6 X .150" High Speed Steel 3 Flute Solid Pilot Counterbore 2007-0006
Hhip

No 6 X .150" High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2467983
Mfr # 2007-0006
product price:  $10.19
/ea
Porting Tools & Counterbores (993 items) - Page 2
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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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