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  1. Home
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  3. Tools & Machining
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  5. Cutting Tools
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  7. Porting Tools & Counterbores

Porting Tools & Counterbores (993 items) - Page 2

Super Tool Counterbore, 1-1/4" D, Carbide Tipped 56417
Super Tool

Counterbore, 1-1/4" D, Carbide Tipped

Zoro # G0330108
Mfr # 56417
product price: 
$163.99
/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: 
$239.99
/ea
Otc Motorcycle Spring Hook OTC4740
Otc

Motorcycle Spring Hook

Zoro # G408170807
Mfr # OTC4740
product price: 
$21.15
/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: 
$280.99
/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: 
$338.99
/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: 
$548.99
/ea
Scientific Cutting Tools Port Tool, RPT, Reamer, 5/16-24 UNJF RPT-4
Scientific Cutting Tools

Port Tool, RPT, Reamer, 5/16-24 UNJF

Zoro # G8154501
Mfr # RPT-4
product price: 
$341.99
/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: 
$355.99
/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: 
$35.99
/ea
Hhip 1/2 X 17/32 High Speed Steel 3 Flute Solid  Pilot Counterbore 2007-0032
Hhip

1/2 X 17/32 High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2468069
Mfr # 2007-0032
product price: 
$20.79
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 11X6.6 mm 156020 11X6,6
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 11X6.6 mm

Zoro # G814389626
Mfr # 156020 11X6,6
product price: 
$23.15
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3750" (3/8), Finish - Machining: AlTiN 23424-C3
Harvey Tool

Counterbores - Flat Bottom, 0.3750" (3/8), Finish - Machining: AlTiN

Zoro # G7150966
Mfr # 23424-C3
product price: 
$110.99
/ea
Keo Counterbore, Nominal Fit, Size 1, Cobalt 902-000-038
Keo

Counterbore, Nominal Fit, Size 1, Cobalt

Zoro # G1932016
Mfr # 902-000-038
product price: 
$448.99
/ea
Garant Counterbore with Interchangeable Pilot Pins, 24 mm 156520 24
Garant

Counterbore with Interchangeable Pilot Pins, 24 mm

Zoro # G714389740
Mfr # 156520 24
product price: 
$124.99
/ea
Keo Counterbore, Close Fit, Size 7/8, Cobalt 902-000-037
Keo

Counterbore, Close Fit, Size 7/8, Cobalt

Zoro # G1600033
Mfr # 902-000-037
product price: 
$322.99
/ea
Keo Counterbore Set, 7, Fractional Inch 902-000-293
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G621725273
Mfr # 902-000-293
product price: 
$647.99
/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: 
$66.15
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 18-20, 9 mm 156620 5X9
Garant

Interchangeable Pilot Pin for Counterbore 156520 18-20, 9 mm

Zoro # G014389655
Mfr # 156620 5X9
product price: 
$33.15
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 14 mm 156620 10X14
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 14 mm

Zoro # G514389735
Mfr # 156620 10X14
product price: 
$47.45
/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: 
$198.99
/ea
Drill America 1/2" X 3/8" Pilots for Counterbore DEWPIL1/2X3/8
Drill America

1/2" X 3/8" Pilots for Counterbore

Zoro # G1747176
Mfr # DEWPIL1/2X3/8
product price: 
$8.29
/ea
Drill America 1/4" X 1/8" Pilots for Counterbore DEWPIL1/4X1/8
Drill America

1/4" X 1/8" Pilots for Counterbore

Zoro # G1744884
Mfr # DEWPIL1/4X1/8
product price: 
$7.49
/ea
Sold in mult. of 2 for $14.98
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
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
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
Super Tool Reduced Shank Counterbore, 13/32" D 52213
Super Tool

Reduced Shank Counterbore, 13/32" D

Zoro # G0331322
Mfr # 52213
product price: 
$89.25
/ea
Link #10 3Xd HSS Se .200 X .600 Drill .332 Cbore 3/8 Shank 2-1/4 Oal 50-L2-383
Link

#10 3Xd HSS Se .200 X .600 Drill .332 Cbore 3/8 Shank 2-1/4 Oal

Zoro # G7640004
Mfr # 50-L2-383
product price: 
$38.29
/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: 
$398.99
/ea
Scientific Cutting Tools Port Tool, 7/8"-14, 2-1/8 in, Straight MS16142-10S
Scientific Cutting Tools

Port Tool, 7/8"-14, 2-1/8 in, Straight

Zoro # G8440871
Mfr # MS16142-10S
product price: 
$264.99
/ea
Keo Counterbore, Close Fit, Size No 6, Cobalt 902-000-007
Keo

Counterbore, Close Fit, Size No 6, Cobalt

Zoro # G2879667
Mfr # 902-000-007
product price: 
$66.89
/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: 
$102.99
/ea
Super Tool Reduced Shank Counterbore, 1/2" D 52216
Super Tool

Reduced Shank Counterbore, 1/2" D

Zoro # G0331340
Mfr # 52216
product price: 
$114.99
/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: 
$228.99
/ea
Keo Counterbore, 1/32 Clearance, Size 5/8, Co 902-000-033
Keo

Counterbore, 1/32 Clearance, Size 5/8, Co

Zoro # G1975653
Mfr # 902-000-033
product price: 
$177.99
/ea
Keo Counterbore, 1/64 Clearance, Size 5/8, Co 902-000-032
Keo

Counterbore, 1/64 Clearance, Size 5/8, Co

Zoro # G3372582
Mfr # 902-000-032
product price: 
$142.99
/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: 
$256.99
/ea
Porting Tools & Counterbores (993 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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counter bore pilotmetric counterbore set5/8 counterborepilot counterboreinterchangeable pilot counterbore
high speed steelscientific cutting toolsmetric shcs1-1/4 in counterboremetric counterbore

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