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  1. Home
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  5. Cutting Tools
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  7. Porting Tools & Counterbores
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Porting Tools & Counterbores (995 items) - Page 5

Cleveland Counterbore, 3.000" L, 0.219" dia., Bright C91695
Cleveland

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

Zoro # G4834258
Mfr # C91695
product price:  $104.99
/ea
Cleveland Pilot for Counterbores, 3/32 in, 3/32 in C46528
Cleveland

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

Zoro # G4791110
Mfr # C46528
product price:  $29.89
/ea
Keo Counterbore, 1/32 Clearance, Size 1/2, Co 902-000-030
Keo

Counterbore, 1/32 Clearance, Size 1/2, Co

Zoro # G1152356
Mfr # 902-000-030
product price:  $114.99
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46896
Cleveland

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

Zoro # G4837843
Mfr # C46896
product price:  $125.99
/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
Keo Counterbore Set, Close Fit, 7 PC, No 6-1/2 In 902-000-040
Keo

Counterbore Set, Close Fit, 7 PC, No 6-1/2 In

Zoro # G2382423
Mfr # 902-000-040
product price:  $524.99
/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, 2.813" L, 0.250" dia., Bright C46900
Cleveland

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

Zoro # G4767277
Mfr # C46900
product price:  $144.99
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46902
Cleveland

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

Zoro # G4832368
Mfr # C46902
product price:  $145.99
/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:  $298.79
/ea
Scientific Cutting Tools Port Tool, MS16142, Reamer, 1 1/16-12 UN MS16142-12R
Scientific Cutting Tools

Port Tool, MS16142, Reamer, 1 1/16-12 UN

Zoro # G8390681
Mfr # MS16142-12R
product price:  $316.79
/ea
Keo No 6 through 1/2" +1/64 Oversize Kounterbore Set 902-000-041
Keo

No 6 through 1/2" +1/64 Oversize Kounterbore Set

Zoro # G3326023
Mfr # 902-000-041
product price:  $578.99
/ea
Cleveland Counterbore, 7.000" L, 0.500" dia., Bright C91720
Cleveland

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

Zoro # G4768351
Mfr # C91720
product price:  $196.99
/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
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
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:  $71.09
/ea
Cleveland Port Tool, 5.375" L, 0.750" dia., Bright C46443
Cleveland

Port Tool, 5.375" L, 0.750" dia., Bright

Zoro # G4850568
Mfr # C46443
product price:  $211.99
/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:  $215.09
/ea
Cleveland Port Tool, 2.375" L, 0.250" dia., Bright C46890
Cleveland

Port Tool, 2.375" L, 0.250" dia., Bright

Zoro # G4850629
Mfr # C46890
product price:  $106.99
/ea
Cleveland Counterbore, 2.234" L, 0.188" dia., Bright C46316
Cleveland

Counterbore, 2.234" L, 0.188" dia., Bright

Zoro # G4812862
Mfr # C46316
product price:  $71.71
/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
Super Tool Counterbore, 1" D, Carbide Tipped 56413
Super Tool

Counterbore, 1" D, Carbide Tipped

Zoro # G0329870
Mfr # 56413
product price:  $127.99
/ea
Super Tool Counterbore, 1" D, Carbide Tipped 59813
Super Tool

Counterbore, 1" D, Carbide Tipped

Zoro # G0330309
Mfr # 59813
product price:  $127.99
/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
Super Tool Counterbore, 9/16" D, Carbide Tipped 59806
Super Tool

Counterbore, 9/16" D, Carbide Tipped

Zoro # G0329913
Mfr # 59806
product price:  $111.99
/ea
Super Tool Counterbore, 1-1/16" D, Carbide Tipped 56414
Super Tool

Counterbore, 1-1/16" D, Carbide Tipped

Zoro # G0329898
Mfr # 56414
product price:  $128.99
/ea
No Product Image Available
Super Tool

Counterbore Pilot, 1/2 X 3/16

Zoro # G007386043
Mfr # 56226
product price:  $38.69
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 18-20, 8.5 mm 156620 5X8,5
Garant

Interchangeable Pilot Pin for Counterbore 156520 18-20, 8.5 mm

Zoro # G614389543
Mfr # 156620 5X8,5
product price:  $31.79
/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:  $37.29
/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
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:  $22.35
/ea
Super Tool Counterbore, 1/4" D, Carbide Tipped 56401
Super Tool

Counterbore, 1/4" D, Carbide Tipped

Zoro # G0330333
Mfr # 56401
product price:  $80.29
/ea
Super Tool Reduced Shank Counterbore, 3/8" D 52212
Super Tool

Reduced Shank Counterbore, 3/8" D

Zoro # G0331410
Mfr # 52212
product price:  $75.29
/ea
Super Tool Counterbore, 1/2" D, Carbide Tipped 59805
Super Tool

Counterbore, 1/2" D, Carbide Tipped

Zoro # G0329977
Mfr # 59805
product price:  $99.28
/ea
Hhip M4 X 4.5mm HSS 3 Flute Straight Shank Solid Pilot Counterbore 2007-0055
Hhip

M4 X 4.5mm HSS 3 Flute Straight Shank Solid Pilot Counterbore

Zoro # G2468105
Mfr # 2007-0055
product price:  $14.39
/ea
Super Tool Counterbore, 1-1/8" D, Carbide Tipped 56415
Super Tool

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

Zoro # G0329940
Mfr # 56415
product price:  $131.99
/ea
Porting Tools & Counterbores (995 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.

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