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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 (999 items) - Page 2

Cleveland Counterbore, 2.046" L, 0.313" dia., Bright C46587
Cleveland

Counterbore, 2.046" L, 0.313" dia., Bright

Zoro # G4812433
Mfr # C46587
product price:  $36.29
/ea
Cleveland Counterbore, 1.625" L, 0.188" dia., Bright C46566
Cleveland

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

Zoro # G4775613
Mfr # C46566
product price:  $29.99
/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, 2.156" L, 0.313" dia., Bright C46614
Cleveland

Counterbore, 2.156" L, 0.313" dia., Bright

Zoro # G4767703
Mfr # C46614
product price:  $42.39
/ea
Cleveland Counterbore, 2.406" L, 0.313" dia., Bright C46678
Cleveland

Counterbore, 2.406" L, 0.313" dia., Bright

Zoro # G4833591
Mfr # C46678
product price:  $65.19
/ea
Cleveland Counterbore, 2.062" L, 0.188" dia., Bright C46592
Cleveland

Counterbore, 2.062" L, 0.188" dia., Bright

Zoro # G4783937
Mfr # C46592
product price:  $34.19
/ea
Cleveland Counterbore, 2.406" L, 0.313" dia., Bright C46673
Cleveland

Counterbore, 2.406" L, 0.313" dia., Bright

Zoro # G4845309
Mfr # C46673
product price:  $74.29
/ea
Cleveland Counterbore, 1.625" L, 0.188" dia., Bright C46612
Cleveland

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

Zoro # G4776620
Mfr # C46612
product price:  $34.19
/ea
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
Cleveland Counterbore, 2.156" L, 0.313" dia., Bright C46600
Cleveland

Counterbore, 2.156" L, 0.313" dia., Bright

Zoro # G4810333
Mfr # C46600
product price:  $40.29
/ea
Cleveland Counterbore, 2.109" L, 0.313" dia., Bright C46594
Cleveland

Counterbore, 2.109" L, 0.313" dia., Bright

Zoro # G4863588
Mfr # C46594
product price:  $40.29
/ea
Cleveland Counterbore, 2.218" L, 0.313" dia., Bright C46622
Cleveland

Counterbore, 2.218" L, 0.313" dia., Bright

Zoro # G4851469
Mfr # C46622
product price:  $49.69
/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
Cleveland #1 655 TAPER ROUTER, 5PK C24292
Cleveland

#1 655 TAPER ROUTER, 5PK

Zoro # G823507288
Mfr # C24292
product price:  $14.19
/pk 5, $2.84/ea
Drill America 5/8" X 1/8" HSS Aircraft Counterbore 1/4" Shank DEWA/CCBR5/8
Drill America

5/8" X 1/8" HSS Aircraft Counterbore 1/4" Shank

Zoro # G1744315
Mfr # DEWA/CCBR5/8
product price:  $40.79
/ea
Cleveland Counterbore, 8.250" L, 0.750" dia., Bright C91728
Cleveland

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

Zoro # G4768239
Mfr # C91728
product price:  $265.99
/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
Keo Counterbore, 1/32 Clearance, Size No 10, Co 902-000-015
Keo

Counterbore, 1/32 Clearance, Size No 10, Co

Zoro # G2458337
Mfr # 902-000-015
product price:  $66.69
/ea
Hhip MT2 Shank For 21 Piece Counterbore Set No 2007-0021 2007-0022
Hhip

MT2 Shank For 21 Piece Counterbore Set No 2007-0021

Zoro # G2468263
Mfr # 2007-0022
product price:  $27.29
/ea
Hhip M4 X 4.5mm HSS 3 Flute Straight Shank Solid Pilot Counterbore 2007-0055
Hhip

M4 X 4.5mm HSS 3 Flute Straight Shank Solid Pilot Counterbore

Zoro # G2468105
Mfr # 2007-0055
product price:  $14.39
/ea
Link Ua4-5MM Metric Shcs HSS Counterbore 72-L2-512
Link

Ua4-5MM Metric Shcs HSS Counterbore

Zoro # G7643976
Mfr # 72-L2-512
product price:  $26.65
/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 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, 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
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:  $241.99
/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:  $5.95
/ea
Sold in mult. of 2 for $11.90
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:  $64.79
/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:  $161.99
/ea
Garant Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 18X8.5 mm 156220 18X8,5
Garant

Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 18X8.5 mm

Zoro # G414375555
Mfr # 156220 18X8,5
product price:  $44.59
/ea
Garant Mini Counterbore for Through Holes, 180 Deg, Uncoated, 3.3X1.7 mm 155700 3,3X1,7
Garant

Mini Counterbore for Through Holes, 180 Deg, Uncoated, 3.3X1.7 mm

Zoro # G914389700
Mfr # 155700 3,3X1,7
product price:  $30.99
/ea
Drill America No 2 .085mm Machine Screw Solid Counterbore DEWCBRSOL2
Drill America

No 2 .085mm Machine Screw Solid Counterbore

Zoro # G1744699
Mfr # DEWCBRSOL2
product price:  $8.65
/ea
Drill America No 8 .163mm Machine Screw Solid Counterbore DEWCBRSOL8
Drill America

No 8 .163mm Machine Screw Solid Counterbore

Zoro # G1739695
Mfr # DEWCBRSOL8
product price:  $12.65
/ea
Garant Counterbore for Through Holes, 180 Deg, Uncoated, 10X5.5 mm 156020 10X5,5
Garant

Counterbore for Through Holes, 180 Deg, Uncoated, 10X5.5 mm

Zoro # G114389555
Mfr # 156020 10X5,5
product price:  $21.49
/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
Garant Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 8X3.3 mm 156220 8X3,3
Garant

Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 8X3.3 mm

Zoro # G014376389
Mfr # 156220 8X3,3
product price:  $23.39
/ea
Garant Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 6.5X2.5 mm 156220 6,5X2,5
Garant

Counterbore for Tapping Drill Holes, 180 Deg, Uncoated, 6.5X2.5 mm

Zoro # G714375965
Mfr # 156220 6,5X2,5
product price:  $25.99
/ea
Porting Tools & Counterbores (999 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.

Related Categories

Drill BitsTapsEnd MillsCountersinks, Center Drills & Spotting DrillsPrecision Measuring Tools
Power Saw BladesSockets & RatchetsClampsWrenchesCutting and Shaping Tools
metric counterborecounter bore pilotmetric counterbore setinterchangeable pilot counterbore1-1/4 in counterbore
high speed steelcounter bore setcounterbores - flat bottom5/8 counterborepilot counterbore

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