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  7. Porting Tools & Counterbores

Porting Tools & Counterbores (993 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
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
Super Tool Counterbore, 3/4" D, Carbide Tipped 59809
Super Tool

Counterbore, 3/4" D, Carbide Tipped

Zoro # G0329907
Mfr # 59809
product price:  $117.99
/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:  $241.99
/ea
Scientific Cutting Tools PortTool, 1-1/16"-12, 2-1/8in, Straight AS5202-12R
Scientific Cutting Tools

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

Zoro # G8150274
Mfr # AS5202-12R
product price:  $303.99
/ea
Drill America 1/2" X 1/8" HSS Aircraft Counterbore 1/4" Shank DEWA/CCBR1/2
Drill America

1/2" X 1/8" HSS Aircraft Counterbore 1/4" Shank

Zoro # G1744559
Mfr # DEWA/CCBR1/2
product price:  $29.89
/ea
Scientific Cutting Tools Port Tool, 1-5/8"-12, 2-1/4 in, Straight MS16142-20R
Scientific Cutting Tools

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

Zoro # G8367335
Mfr # MS16142-20R
product price:  $340.99
/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 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:  $24.19
/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
Super Tool Counterbore, 5/8" D, Carbide Tipped 59807
Super Tool

Counterbore, 5/8" D, Carbide Tipped

Zoro # G0330132
Mfr # 59807
product price:  $119.99
/ea
Otc Motorcycle Spring Hook OTC4740
Otc

Motorcycle Spring Hook

Zoro # G408170807
Mfr # OTC4740
product price:  $21.09
/ea
Drill America 3/8" X 3/16" Pilots for Counterbore DEWPIL3/8X3/16
Drill America

3/8" X 3/16" Pilots for Counterbore

Zoro # G1741244
Mfr # DEWPIL3/8X3/16
product price:  $7.25
/ea
Sold in mult. of 2 for $14.50
Drill America 5/16" X 1/8" Pilots for Counterbore DEWPIL5/16X1/8
Drill America

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

Zoro # G1742556
Mfr # DEWPIL5/16X1/8
product price:  $9.65
/ea
Sold in mult. of 2 for $19.30
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:  $212.88
/ea
Scientific Cutting Tools PortTool, 1-5/16"-12, 2-1/4in, Straight SAEJ1926-16R
Scientific Cutting Tools

PortTool, 1-5/16"-12, 2-1/4in, Straight

Zoro # G8253831
Mfr # SAEJ1926-16R
product price:  $309.99
/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
Drill America 7/16" HSS Solid Counterbore DEWCBRSOL7/16
Drill America

7/16" HSS Solid Counterbore

Zoro # G1745855
Mfr # DEWCBRSOL7/16
product price:  $28.15
/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
Keo Counterbore, 1/32 Clearance, Size No 6, Co 902-000-009
Keo

Counterbore, 1/32 Clearance, Size No 6, Co

Zoro # G1198321
Mfr # 902-000-009
product price:  $66.09
/ea
Drill America 9/16" X 1/4" Pilots for Counterbore DEWPIL9/16X1/4
Drill America

9/16" X 1/4" Pilots for Counterbore

Zoro # G1741034
Mfr # DEWPIL9/16X1/4
product price:  $10.19
/ea
Garant Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 11X5 mm 156220 11X5
Garant

Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 11X5 mm

Zoro # G614375614
Mfr # 156220 11X5
product price:  $24.29
/ea
Drill America 3/16" X 3/32" Pilots for Counterbore DEWPIL3/16X3/32
Drill America

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

Zoro # G1746780
Mfr # DEWPIL3/16X3/32
product price:  $6.25
/ea
Sold in mult. of 2 for $12.50
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
Super Tool Counterbore, 3/8" D, Carbide Tipped 56403
Super Tool

Counterbore, 3/8" D, Carbide Tipped

Zoro # G0330379
Mfr # 56403
product price:  $105.99
/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:  $6.79
/ea
Sold in mult. of 2 for $13.58
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.3750" (3/8), Flute Length: 1" 25524-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.3750" (3/8), Flute Length: 1"

Zoro # G7262126
Mfr # 25524-C3
product price:  $166.99
/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:  $18.49
/ea
Keo Counterbore, Fractional Inch, 4-1/2 in 902-000-016
Keo

Counterbore, Fractional Inch, 4-1/2 in

Zoro # G1107714
Mfr # 902-000-016
product price:  $74.45
/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
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:  $577.99
/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
Drill America 1-1/2" X 3/8" Pilot Hole HSS Taper Shank Counterbore DEWCBRTS1-1/2
Drill America

1-1/2" X 3/8" Pilot Hole HSS Taper Shank Counterbore

Zoro # G1741375
Mfr # DEWCBRTS1-1/2
product price:  $97.15
/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
Porting Tools & Counterbores (993 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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1-1/4 in counterborecounter bore setmetric counterbore setpilot counterborehigh speed steel
counterbores - flat bottomscientific cutting toolsinterchangeable pilot counterbore5/8 counterboremetric counterbore

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