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  5. Cutting Tools
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  7. Porting Tools & Counterbores
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Porting Tools & Counterbores (995 items) - Page 3

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
Garant Mini Counterbore for Through Holes, 180 Deg, Uncoated, 2.2X1.1 mm 155700 2,2X1,1
Garant

Mini Counterbore for Through Holes, 180 Deg, Uncoated, 2.2X1.1 mm

Zoro # G814389794
Mfr # 155700 2,2X1,1
product price:  $30.99
/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
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, 3/8-24 UNF MS16142-3S
Scientific Cutting Tools

Port Tool, MS16142, Solid, 3/8-24 UNF

Zoro # G8237117
Mfr # MS16142-3S
product price:  $199.99
/ea
Drill America 3/4" 13/16" Continuous Pilot Capscrew Counterbore DEWCSCBR3/4
Drill America

3/4" 13/16" Continuous Pilot Capscrew Counterbore

Zoro # G1745295
Mfr # DEWCSCBR3/4
product price:  $90.85
/ea
Cleveland Counterbore, 7.000" L, 0.500" dia., Bright C91715
Cleveland

Counterbore, 7.000" L, 0.500" dia., Bright

Zoro # G4772831
Mfr # C91715
product price:  $169.99
/ea
Cleveland Counterbore, 6.000" L, 0.438" dia., Bright C92706
Cleveland

Counterbore, 6.000" L, 0.438" dia., Bright

Zoro # G4830082
Mfr # C92706
product price:  $126.99
/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:  $222.29
/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
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:  $7.89
/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:  $70.75
/ea
Drill America 5/8" X 1/2" Pilots for Counterbore DEWPIL5/8X1/2
Drill America

5/8" X 1/2" Pilots for Counterbore

Zoro # G1745520
Mfr # DEWPIL5/8X1/2
product price:  $15.35
/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:  $136.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3281" (21/64) 23421
Harvey Tool

Counterbores - Flat Bottom, 0.3281" (21/64)

Zoro # G7148604
Mfr # 23421
product price:  $73.75
/ea
Garant Mini Counterbore for Through Holes, 180 Deg, Uncoated, 4.3X2.2 mm 155600 4,3X2,2
Garant

Mini Counterbore for Through Holes, 180 Deg, Uncoated, 4.3X2.2 mm

Zoro # G014389792
Mfr # 155600 4,3X2,2
product price:  $30.99
/ea
Cleveland Counterbore, 3.500" L, 0.344" dia., Bright C91701
Cleveland

Counterbore, 3.500" L, 0.344" dia., Bright

Zoro # G4829647
Mfr # C91701
product price:  $123.99
/ea
Drill America 1-3/4" X 7/16" Pilot Hole HSS Taper Shank Counterbore DEWCBRTS1-3/4
Drill America

1-3/4" X 7/16" Pilot Hole HSS Taper Shank Counterbore

Zoro # G1741384
Mfr # DEWCBRTS1-3/4
product price:  $151.99
/ea
Cleveland Counterbore, 6.500" L, 0.500" dia., Bright C91712
Cleveland

Counterbore, 6.500" L, 0.500" dia., Bright

Zoro # G4772271
Mfr # C91712
product price:  $138.99
/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
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
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:  $552.99
/ea
Scientific Cutting Tools Port Tool, MS33649, Reamer, 1 1/16-12 UNJ AS5202-12R
Scientific Cutting Tools

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

Zoro # G8150274
Mfr # AS5202-12R
product price:  $304.19
/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, MS16142, Reamer, 7/16-20 UNF MS16142-4R
Scientific Cutting Tools

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

Zoro # G7550295
Mfr # MS16142-4R
product price:  $237.99
/ea
Scientific Cutting Tools Port Tool, MS16142, Solid, 1 5/16-12 UN MS16142-16S
Scientific Cutting Tools

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

Zoro # G7937352
Mfr # MS16142-16S
product price:  $298.79
/ea
Cleveland Port Tool, 2.813" L, 0.250" dia., Bright C46898
Cleveland

Port Tool, 2.813" L, 0.250" dia., Bright

Zoro # G4821113
Mfr # C46898
product price:  $135.44
/ea
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
Cleveland Pilot for Counterbores, 3/32 in, 3/32 in C46523
Cleveland

Pilot for Counterbores, 3/32 in, 3/32 in

Zoro # G4800210
Mfr # C46523
product price:  $31.71
/ea
Cleveland Counterbore, 7.000" L, 0.500" dia., Bright C91833
Cleveland

Counterbore, 7.000" L, 0.500" dia., Bright

Zoro # G4876468
Mfr # C91833
product price:  $248.99
/ea
Keo Counterbore, 1/32 Clearance, Size 5/16, Co 902-000-021
Keo

Counterbore, 1/32 Clearance, Size 5/16, Co

Zoro # G2623661
Mfr # 902-000-021
product price:  $74.69
/ea
Keo Counterbore, 1/64 Clearance, Size 1/4, Co 902-000-017
Keo

Counterbore, 1/64 Clearance, Size 1/4, Co

Zoro # G1279327
Mfr # 902-000-017
product price:  $71.09
/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
Super Tool Reduced Shank Counterbore, 13/32" D 52213
Super Tool

Reduced Shank Counterbore, 13/32" D

Zoro # G0331322
Mfr # 52213
product price:  $77.19
/ea
Keo Counterbore Set, Metric, 6 pcs., 3F, Fine 902-000-068
Keo

Counterbore Set, Metric, 6 pcs., 3F, Fine

Zoro # G8925463
Mfr # 902-000-068
product price:  $362.99
/ea
Porting Tools & Counterbores (995 items) - Page 3
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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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