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  7. Porting Tools & Counterbores
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Porting Tools & Counterbores (995 items)

H & H Industrial Products 21 Piece High Speed Steel Interchangeable Pilot Counterbore Set 2007-0023
H & H Industrial Products

21 Piece High Speed Steel Interchangeable Pilot Counterbore Set

Zoro # G7177336
Mfr # 2007-0023
product price:  $124.99
/ea
Hhip 7 Piece High Speed Steel 3 Flute Solid  Pilot Counterbore Set 2007-0002
Hhip

7 Piece High Speed Steel 3 Flute Solid Pilot Counterbore Set

Zoro # G2468175
Mfr # 2007-0002
product price:  $104.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Solid, 7/16-20 UNF MS16142-4S
Scientific Cutting Tools

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

Zoro # G8129712
Mfr # MS16142-4S
product price:  $195.99
/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
Scientific Cutting Tools Port Tool, MS16142, Reamer, 9/16-18 UNF MS16142-6R
Scientific Cutting Tools

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

Zoro # G8381073
Mfr # MS16142-6R
product price:  $251.99
/ea
Drill America 7/8" X 3/16" HSS Aircraft Counterbore 1/4" Shank DEWA/CCBR7/8
Drill America

7/8" X 3/16" HSS Aircraft Counterbore 1/4" Shank

Zoro # G1742276
Mfr # DEWA/CCBR7/8
product price:  $49.45
/ea
Drill America 9/32" X 3/16" Pilots for Counterbore DEWPIL9/32X3/16
Drill America

9/32" X 3/16" Pilots for Counterbore

Zoro # G1743929
Mfr # DEWPIL9/32X3/16
product price:  $7.79
/ea
Sold in mult. of 2 for $15.58
Drill America 3/8" X 5/32" Pilot Hole HSS Straight Shank Counterbore DEWCBR3/8
Drill America

3/8" X 5/32" Pilot Hole HSS Straight Shank Counterbore

Zoro # G1742504
Mfr # DEWCBR3/8
product price:  $27.75
/ea
Scientific Cutting Tools Port Tool, MS16142, Reamer, 1 5/16-12 UN MS16142-16R
Scientific Cutting Tools

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

Zoro # G8253831
Mfr # MS16142-16R
product price:  $309.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Solid, 1 1/16-12 UN MS16142-12S
Scientific Cutting Tools

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

Zoro # G7860352
Mfr # MS16142-12S
product price:  $260.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Reamer, 1 7/8-12 UN MS16142-24R
Scientific Cutting Tools

Port Tool, MS16142, Reamer, 1 7/8-12 UN

Zoro # G7885936
Mfr # MS16142-24R
product price:  $529.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Reamer, 1 3/16-12 UN MS16142-14R
Scientific Cutting Tools

Port Tool, MS16142, Reamer, 1 3/16-12 UN

Zoro # G8099795
Mfr # MS16142-14R
product price:  $299.99
/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
Drill America 7/32" X 5/32" Pilots for Counterbore DEWPIL7/32X5/32
Drill America

7/32" X 5/32" Pilots for Counterbore

Zoro # G1743019
Mfr # DEWPIL7/32X5/32
product price:  $6.45
/ea
Sold in mult. of 2 for $12.90
Cleveland Port Tool, 4.063" L, 0.375" dia., Bright C46429
Cleveland

Port Tool, 4.063" L, 0.375" dia., Bright

Zoro # G4845397
Mfr # C46429
product price:  $132.99
/ea
Link 6MM HSS Se 6.30 X 9.52 Drill 10.71 Cbore 7.94 Shank 39.69 Oal 75-L2-523
Link

6MM HSS Se 6.30 X 9.52 Drill 10.71 Cbore 7.94 Shank 39.69 Oal

Zoro # G7643766
Mfr # 75-L2-523
product price:  $28.35
/ea
Keo Counterbore, Close Fit, Size 1/4, Cobalt 902-000-016
Keo

Counterbore, Close Fit, Size 1/4, Cobalt

Zoro # G1107714
Mfr # 902-000-016
product price:  $71.19
/ea
Scientific Cutting Tools Port Tool, MS33649, Solid, 7/8-14 UNJF MS33649-10S
Scientific Cutting Tools

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

Zoro # G8321677
Mfr # MS33649-10S
product price:  $264.99
/ea
H & H Industrial Products 40 Piece 1/4-1" HSS Straight-Shank 3 Flute Counterbore Set 2007-0041
H & H Industrial Products

40 Piece 1/4-1" HSS Straight-Shank 3 Flute Counterbore Set

Zoro # G7177345
Mfr # 2007-0041
product price:  $427.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Reamer, 7/8-14 UNF MS16142-10R
Scientific Cutting Tools

Port Tool, MS16142, Reamer, 7/8-14 UNF

Zoro # G8444396
Mfr # MS16142-10R
product price:  $237.99
/ea
Cleveland Port Tool, 4.313" L, 0.437" dia., Bright C46431
Cleveland

Port Tool, 4.313" L, 0.437" dia., Bright

Zoro # G4758122
Mfr # C46431
product price:  $149.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3125" (5/16) 23420-C3
Harvey Tool

Counterbores - Flat Bottom, 0.3125" (5/16)

Zoro # G7155096
Mfr # 23420-C3
product price:  $91.05
/ea
Cleveland Counterbore, 1.875" L, 0.188" dia., Bright C46560
Cleveland

Counterbore, 1.875" L, 0.188" dia., Bright

Zoro # G4784731
Mfr # C46560
product price:  $29.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.4062" (13/32) 23426
Harvey Tool

Counterbores - Flat Bottom, 0.4062" (13/32)

Zoro # G7156730
Mfr # 23426
product price:  $117.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.6250" (5/8) 23440
Harvey Tool

Counterbores - Flat Bottom, 0.6250" (5/8)

Zoro # G7158964
Mfr # 23440
product price:  $229.99
/ea
Cleveland Port Tool, 6.375" L, 1.000" dia., Bright C46449
Cleveland

Port Tool, 6.375" L, 1.000" dia., Bright

Zoro # G4815242
Mfr # C46449
product price:  $264.99
/ea
Scientific Cutting Tools Port Tool, MS33649, Solid, 7/16-20 UNJF MS33649-4S
Scientific Cutting Tools

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

Zoro # G7850857
Mfr # MS33649-4S
product price:  $204.99
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 1 3/16-12 UNJ MS33649-14R
Scientific Cutting Tools

Port Tool, MS33649, Reamer, 1 3/16-12 UNJ

Zoro # G7921663
Mfr # MS33649-14R
product price:  $292.99
/ea
Cleveland Port Tool, 2.375" L, 0.250" dia., Bright C46886
Cleveland

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

Zoro # G4764151
Mfr # C46886
product price:  $84.69
/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:  $52.89
/ea
Cleveland Counterbore, 1.500" L, 0.125" dia., Bright C46576
Cleveland

Counterbore, 1.500" L, 0.125" dia., Bright

Zoro # G4851283
Mfr # C46576
product price:  $29.99
/ea
Keo Counterbore, 1/32 Clearance, Size No 5, Co 902-000-006
Keo

Counterbore, 1/32 Clearance, Size No 5, Co

Zoro # G0495774
Mfr # 902-000-006
product price:  $55.15
/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
Harvey Tool Counterbores - Flat Bottom, 0.3750" (3/8) 23424-C6
Harvey Tool

Counterbores - Flat Bottom, 0.3750" (3/8)

Zoro # G7158885
Mfr # 23424-C6
product price:  $113.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3125" (5/16), Finish - Machining: Uncoated 23420
Harvey Tool

Counterbores - Flat Bottom, 0.3125" (5/16), Finish - Machining: Uncoated

Zoro # G7149347
Mfr # 23420
product price:  $78.95
/ea
Harvey Tool Counterbores - Flat Bottom, 0.2500" (1/4) 23416-C6
Harvey Tool

Counterbores - Flat Bottom, 0.2500" (1/4)

Zoro # G7149356
Mfr # 23416-C6
product price:  $77.95
/ea
Porting Tools & Counterbores (995 items)
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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 pilotmetric shcsscientific cutting toolsinterchangeable pilot counterboremetric counterbore

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