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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 2

Cleveland Counterbore, 3.500" L, 0.344" dia., Bright C91701
Cleveland

Counterbore, 3.500" L, 0.344" dia., Bright

Zoro # G4829647
Mfr # C91701
product price:  $123.99
/ea
Cleveland Counterbore, 8.250" L, 0.750" dia., Bright C91834
Cleveland

Counterbore, 8.250" L, 0.750" dia., Bright

Zoro # G4816399
Mfr # C91834
product price:  $256.99
/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
Cleveland Counterbore, 7.000" L, 0.500" dia., Bright C91832
Cleveland

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

Zoro # G4878802
Mfr # C91832
product price:  $190.99
/ea
Cleveland Counterbore, 7.000" L, 0.500" dia., Bright C91715
Cleveland

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

Zoro # G4772831
Mfr # C91715
product price:  $169.99
/ea
Cleveland Counterbore, 6.000" L, 0.438" dia., Bright C92706
Cleveland

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

Zoro # G4830082
Mfr # C92706
product price:  $126.99
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46893
Cleveland

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

Zoro # G4845668
Mfr # C46893
product price:  $90.79
/ea
Cleveland Port Tool, 5.125" L, 0.500" dia., Bright C46435
Cleveland

Port Tool, 5.125" L, 0.500" dia., Bright

Zoro # G4826357
Mfr # C46435
product price:  $139.99
/ea
Scientific Cutting Tools Port Tool, RPT, Reamer, 9/16-18 UNJF RPT-8
Scientific Cutting Tools

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

Zoro # G8147063
Mfr # RPT-8
product price:  $241.55
/ea
Super Tool Counterbore, 5/8" D, Carbide Tipped 56407
Super Tool

Counterbore, 5/8" D, Carbide Tipped

Zoro # G0330010
Mfr # 56407
product price:  $103.99
/ea
Super Tool Counterbore, 3/8" D, Carbide Tipped 56403
Super Tool

Counterbore, 3/8" D, Carbide Tipped

Zoro # G0330379
Mfr # 56403
product price:  $93.17
/ea
Melin Tool Co Countersink, Cobalt, 82 deg., 1/2 HSP3-1/2-82T
Melin Tool Co

Countersink, Cobalt, 82 deg., 1/2

Zoro # G4558519
Mfr # HSP3-1/2-82T
product price:  $34.15
/ea
Hhip 1/4 X 9/32 High Speed Steel 3 Flute Solid  Pilot Counterbore 2007-0016
Hhip

1/4 X 9/32 High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2467938
Mfr # 2007-0016
product price:  $15.99
/ea
Super Tool Counterbore, 3/4" D, Carbide Tipped 59809
Super Tool

Counterbore, 3/4" D, Carbide Tipped

Zoro # G0329907
Mfr # 59809
product price:  $111.99
/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
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
Hhip 5/8 X 21/32 High Speed Steel 3 Flute Solid  Pilot Counterbore 2007-0033
Hhip

5/8 X 21/32 High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2468096
Mfr # 2007-0033
product price:  $21.89
/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:  $33.85
/ea
Garant Counterbore Set in a Case, 6 Pieces, Type: K 156420 K
Garant

Counterbore Set in a Case, 6 Pieces, Type: K

Zoro # G714389849
Mfr # 156420 K
product price:  $212.99
/ea
Hhip 3/8 X 13/32 High Speed Steel 3 Flute Solid  Pilot Counterbore 2007-0024
Hhip

3/8 X 13/32 High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2468087
Mfr # 2007-0024
product price:  $17.45
/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
Cleveland Port Tool, 4.313" L, 0.500" dia., Bright C46433
Cleveland

Port Tool, 4.313" L, 0.500" dia., Bright

Zoro # G4857452
Mfr # C46433
product price:  $162.99
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46906
Cleveland

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

Zoro # G4774983
Mfr # C46906
product price:  $168.00
/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, 3.000" L, 0.250" dia., Bright C91697
Cleveland

Counterbore, 3.000" L, 0.250" dia., Bright

Zoro # G4765463
Mfr # C91697
product price:  $130.99
/ea
Cleveland Counterbore, 6.000" L, 0.438" dia., Bright C92707
Cleveland

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

Zoro # G4791409
Mfr # C92707
product price:  $152.99
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46910
Cleveland

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

Zoro # G4873543
Mfr # C46910
product price:  $190.99
/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
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
Cleveland Port Tool, 5.375" L, 0.500" dia., Bright C46439
Cleveland

Port Tool, 5.375" L, 0.500" dia., Bright

Zoro # G4852281
Mfr # C46439
product price:  $196.99
/ea
Cleveland Counterbore, 1.625" L, 0.188" dia., Bright C46585
Cleveland

Counterbore, 1.625" L, 0.188" dia., Bright

Zoro # G4830231
Mfr # C46585
product price:  $34.49
/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
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
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, 5.750" L, 0.375" dia., Bright C91703
Cleveland

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

Zoro # G4824981
Mfr # C91703
product price:  $124.99
/ea
Hhip M6 X 6.6mm HSS 3 Flute Straight Shank Solid Pilot Counterbore 2007-0060
Hhip

M6 X 6.6mm HSS 3 Flute Straight Shank Solid Pilot Counterbore

Zoro # G2468184
Mfr # 2007-0060
product price:  $15.75
/ea
Porting Tools & Counterbores (995 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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