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  1. Home
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  7. Porting Tools & Counterbores

Porting Tools & Counterbores (999 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, 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
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
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
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 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
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
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, 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, 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
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
Hhip 6 Piece High Speed Steel 3 Flute Solid  Pilot Counterbore Set 2007-0003
Hhip

6 Piece High Speed Steel 3 Flute Solid Pilot Counterbore Set

Zoro # G2468148
Mfr # 2007-0003
product price:  $214.99
/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
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, 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, 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
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
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
Drill America 1/4" HSS Solid Counterbore DEWCBRSOL1/4
Drill America

1/4" HSS Solid Counterbore

Zoro # G1744839
Mfr # DEWCBRSOL1/4
product price:  $23.49
/ea
Scientific Cutting Tools Port Tool, MS16142, Solid, 1/2-20 UNF SAEJ1926-05S
Scientific Cutting Tools

Port Tool, MS16142, Solid, 1/2-20 UNF

Zoro # G8276685
Mfr # SAEJ1926-05S
product price:  $219.99
/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:  $256.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Reamer, 1/2-20 UNF MS16142-5R
Scientific Cutting Tools

Port Tool, MS16142, Reamer, 1/2-20 UNF

Zoro # G8233766
Mfr # MS16142-5R
product price:  $221.99
/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
Keo Metric Counterbore Set DIN373 - Before Thread 902-000-067
Keo

Metric Counterbore Set DIN373 - Before Thread

Zoro # G8925454
Mfr # 902-000-067
product price:  $416.99
/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
Scientific Cutting Tools Port Tool, MS16142, Solid, 1 7/8-12 UN MS16142-24S
Scientific Cutting Tools

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

Zoro # G8070343
Mfr # MS16142-24S
product price:  $461.99
/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
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
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
Harvey Tool Counterbores - Flat Bottom, 0.5000" (1/2) 23432
Harvey Tool

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

Zoro # G7160504
Mfr # 23432
product price:  $142.99
/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
Cleveland Counterbore, 8.813" L, 1.000" dia., Bright C91749
Cleveland

Counterbore, 8.813" L, 1.000" dia., Bright

Zoro # G4817132
Mfr # C91749
product price:  $424.99
/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
Harvey Tool Counterbores - Flat Bottom, 0.5000" (1/2) 23432-C3
Harvey Tool

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

Zoro # G7162927
Mfr # 23432-C3
product price:  $165.99
/ea
Porting Tools & Counterbores (999 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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metric counterbore set5/8 counterboremetric shcspilot counterborecounter bore set
counter bore pilotmetric counterborecounterbores - flat bottom1-1/4 in counterborehigh speed steel

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