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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 4

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
Scientific Cutting Tools Port Tool, MS16142, Solid, 2 1/2-12 UN MS16142-32S
Scientific Cutting Tools

Port Tool, MS16142, Solid, 2 1/2-12 UN

Zoro # G8167844
Mfr # MS16142-32S
product price:  $499.99
/ea
Harvey Tool Counterbores - Flat Bottom - Long Reach, 0.2031" (13/64), Overall Length: 4" 25513-C3
Harvey Tool

Counterbores - Flat Bottom - Long Reach, 0.2031" (13/64), Overall Length: 4"

Zoro # G7262607
Mfr # 25513-C3
product price:  $108.99
/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, MS33649, Solid, 1 5/16-12 UNJ MS33649-16S
Scientific Cutting Tools

Port Tool, MS33649, Solid, 1 5/16-12 UNJ

Zoro # G8153957
Mfr # MS33649-16S
product price:  $297.99
/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
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, 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 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
Link 8MM HSS Se 8.73 X 11.11 Drill 13.49 Cbore 11.11 Shank 46.04 Oal 75-L2-524
Link

8MM HSS Se 8.73 X 11.11 Drill 13.49 Cbore 11.11 Shank 46.04 Oal

Zoro # G7643809
Mfr # 75-L2-524
product price:  $29.75
/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
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
Drill America No 4 .111mm Machine Screw Solid Counterbore DEWCBRSOL4
Drill America

No 4 .111mm Machine Screw Solid Counterbore

Zoro # G1746835
Mfr # DEWCBRSOL4
product price:  $8.85
/ea
Harvey Tool Counterbores - Flat Bottom 23330
Harvey Tool

Counterbores - Flat Bottom

Zoro # G301019968
Mfr # 23330
product price:  $49.09
/ea
Scientific Cutting Tools Port Tool, MS33649, Solid, 3/4-16 UNJF MS33649-8S
Scientific Cutting Tools

Port Tool, MS33649, Solid, 3/4-16 UNJF

Zoro # G8174135
Mfr # MS33649-8S
product price:  $219.99
/ea
Scientific Cutting Tools Port Tool, RPT, Reamer, 7/16-20 UNJF RPT-6
Scientific Cutting Tools

Port Tool, RPT, Reamer, 7/16-20 UNJF

Zoro # G7999293
Mfr # RPT-6
product price:  $257.99
/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
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 Counterbore, 5/8" D, Carbide Tipped 59807
Super Tool

Counterbore, 5/8" D, Carbide Tipped

Zoro # G0330132
Mfr # 59807
product price:  $113.99
/ea
Harvey Tool 1/8 in. Cutter dia. x 1/2 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731608-C3
Harvey Tool

1/8 in. Cutter dia. x 1/2 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated

Zoro # G911325152
Mfr # 731608-C3
product price:  $58.45
/ea
Harvey Tool 1/2 in. Cutter dia. x 1 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated 23432-C8
Harvey Tool

1/2 in. Cutter dia. x 1 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated

Zoro # G811324668
Mfr # 23432-C8
product price:  $167.99
/ea
Harvey Tool 0.2420'' Cutter DIA x 0.8750'', 7/8 Flute Length - 4 FL - AlTiN Coated 23641-C3
Harvey Tool

0.2420'' Cutter DIA x 0.8750'', 7/8 Flute Length - 4 FL - AlTiN Coated

Zoro # G413082188
Mfr # 23641-C3
product price:  $70.95
/ea
Garant Counterbore with Interchangeable Pilot Pins, 36 mm 156520 36
Garant

Counterbore with Interchangeable Pilot Pins, 36 mm

Zoro # G614389840
Mfr # 156520 36
product price:  $215.99
/ea
Harvey Tool 1/16 Cutter dia. x 1/4 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated 23362-C8
Harvey Tool

1/16 Cutter dia. x 1/4 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated

Zoro # G711326380
Mfr # 23362-C8
product price:  $55.99
/ea
Harvey Tool 1/4 in. Cutter dia. x7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731616-C3
Harvey Tool

1/4 in. Cutter dia. x7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated

Zoro # G111325242
Mfr # 731616-C3
product price:  $76.05
/ea
Otc Motorcycle Spring Hook OTC4740
Otc

Motorcycle Spring Hook

Zoro # G408170807
Mfr # OTC4740
product price:  $21.15
/ea
Drill America 1/2" X 1/4" Pilots for Counterbore DEWPIL1/2X1/4
Drill America

1/2" X 1/4" Pilots for Counterbore

Zoro # G1742879
Mfr # DEWPIL1/2X1/4
product price:  $8.45
/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:  $87.99
/ea
Drill America 1/2" X 5/16" Pilots for Counterbore DEWPIL1/2X5/16
Drill America

1/2" X 5/16" Pilots for Counterbore

Zoro # G1742048
Mfr # DEWPIL1/2X5/16
product price:  $10.59
/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
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
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 Port Tool, 5.375" L, 0.625" dia., Bright C46441
Cleveland

Port Tool, 5.375" L, 0.625" dia., Bright

Zoro # G4802688
Mfr # C46441
product price:  $174.99
/ea
Harvey Tool Counterbores - Flat Bottom, 0.3125" (5/16) 23420-C3
Harvey Tool

Counterbores - Flat Bottom, 0.3125" (5/16)

Zoro # G7155096
Mfr # 23420-C3
product price:  $91.05
/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
Porting Tools & Counterbores (999 items) - Page 4
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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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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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