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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 6

Scientific Cutting Tools Port Tool, MS16142, Solid, 5/16-24 UNF MS16142-2S
Scientific Cutting Tools

Port Tool, MS16142, Solid, 5/16-24 UNF

Zoro # G7922397
Mfr # MS16142-2S
product price: 
$217.99
/ea
Harvey Tool 0.1875 in. 3/16 Cutter dia x 0.75in. 3/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731612
Harvey Tool

0.1875 in. 3/16 Cutter dia x 0.75in. 3/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G111325082
Mfr # 731612
product price: 
$52.39
/ea
Harvey Tool 0.2187 in. 7/32 Cutter dia x 0.75in. 3/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731614
Harvey Tool

0.2187 in. 7/32 Cutter dia x 0.75in. 3/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G511325170
Mfr # 731614
product price: 
$70.69
/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: 
$224.99
/ea
Harvey Tool 0.0394 in. 1 mm Cutter dia. x 0.1560 in. 5/32 Carbide Flat Bottom Counterbore, 4 Flutes 2331M-C8
Harvey Tool

0.0394 in. 1 mm Cutter dia. x 0.1560 in. 5/32 Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G311326391
Mfr # 2331M-C8
product price: 
$58.79
/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: 
$79.89
/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: 
$63.19
/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: 
$58.79
/ea
Keo Metric Counterbore Set DIN373 - Before Thread 902-000-067
Keo

Metric Counterbore Set DIN373 - Before Thread

Zoro # G8925454
Mfr # 902-000-067
product price: 
$457.99
/ea
Kodiak Cutting Tools No. 10 Counterbores 1/32 Oversize Capscrew Style 5496007
Kodiak Cutting Tools

No. 10 Counterbores 1/32 Oversize Capscrew Style

Zoro # G8622795
Mfr # 5496007
product price: 
$49.65
/ea
Kodiak Cutting Tools No. 5/16 Counterbores 1/32 Oversize Capscrew Style 5496029
Kodiak Cutting Tools

No. 5/16 Counterbores 1/32 Oversize Capscrew Style

Zoro # G8644985
Mfr # 5496029
product price: 
$68.29
/ea
Kodiak Cutting Tools No. 3/8 Counterbores 1/64 Oversize Capscrew Style 5495886
Kodiak Cutting Tools

No. 3/8 Counterbores 1/64 Oversize Capscrew Style

Zoro # G8614830
Mfr # 5495886
product price: 
$71.35
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 15, 6.8 mm 156620 4X6,8
Garant

Interchangeable Pilot Pin for Counterbore 156520 15, 6.8 mm

Zoro # G514389711
Mfr # 156620 4X6,8
product price: 
$27.25
/ea
Link Ua7-7/16 English Shcs HSS Counterbore 60-L2-300
Link

Ua7-7/16 English Shcs HSS Counterbore

Zoro # G7641316
Mfr # 60-L2-300
product price: 
$44.25
/ea
Super Tool Reduced Shank Counterbore, 1-1/16" D 52234
Super Tool

Reduced Shank Counterbore, 1-1/16" D

Zoro # G0331261
Mfr # 52234
product price: 
$170.99
/ea
Hhip M10 X 11mm HSS 3 Flute Straight Shank Solid Pilot Counterbore 2007-0064
Hhip

M10 X 11mm HSS 3 Flute Straight Shank Solid Pilot Counterbore

Zoro # G2468157
Mfr # 2007-0064
product price: 
$41.99
/ea
Link 1/4" HSS Se .280 X .375 Drill .406 Cbore 7/16 Shank 1-3/4 Oal 50-L2-184
Link

1/4" HSS Se .280 X .375 Drill .406 Cbore 7/16 Shank 1-3/4 Oal

Zoro # G7636039
Mfr # 50-L2-184
product price: 
$25.49
/ea
Super Tool Reduced Shank Counterbore, 17/32" D 52217
Super Tool

Reduced Shank Counterbore, 17/32" D

Zoro # G0331401
Mfr # 52217
product price: 
$91.15
/ea
Link Ua4-6MM Metric Shcs HSS Counterbore 72-L2-513
Link

Ua4-6MM Metric Shcs HSS Counterbore

Zoro # G7642725
Mfr # 72-L2-513
product price: 
$32.75
/ea
Hhip 7/16 X 1/2" High Speed Steel 2 Flute Solid  Cap Screw Counterbore 2007-0108
Hhip

7/16 X 1/2" High Speed Steel 2 Flute Solid Cap Screw Counterbore

Zoro # G2467999
Mfr # 2007-0108
product price: 
$29.69
/ea
Super Tool Reduced Shank Counterbore, 1-9/16" D 52250
Super Tool

Reduced Shank Counterbore, 1-9/16" D

Zoro # G0331587
Mfr # 52250
product price: 
$232.99
/ea
Super Tool Counterbore, 21/32" D, Carbide Tipped 5776562
Super Tool

Counterbore, 21/32" D, Carbide Tipped

Zoro # G0330342
Mfr # 5776562
product price: 
$128.99
/ea
Super Tool Reduced Shank Counterbore, 11/32" D 52211
Super Tool

Reduced Shank Counterbore, 11/32" D

Zoro # G0331447
Mfr # 52211
product price: 
$75.59
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 26-30, 12 mm 156620 8X12
Garant

Interchangeable Pilot Pin for Counterbore 156520 26-30, 12 mm

Zoro # G914389564
Mfr # 156620 8X12
product price: 
$39.75
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 24, 12 mm 156620 6X12
Garant

Interchangeable Pilot Pin for Counterbore 156520 24, 12 mm

Zoro # G414389705
Mfr # 156620 6X12
product price: 
$37.85
/ea
Link Ua7-14MM Metric Shcs HSS Counterbore 72-L2-517
Link

Ua7-14MM Metric Shcs HSS Counterbore

Zoro # G7646898
Mfr # 72-L2-517
product price: 
$49.75
/ea
Morse Cap Screw Counterbore, Straight Shank, Series 1766, 8 mm Screw, 05315 Bore Dia, 612 Overall Le 25750
Morse

Cap Screw Counterbore, Straight Shank, Series 1766, 8 mm Screw, 05315 Bore Dia, 612 Overall Le

Zoro # G608029127
Mfr # 25750
product price: 
$89.95
/ea
Hhip M3 X 3.4mm HSS 3 Flute Straight Shank Solid Pilot Counterbore 2007-0051
Hhip

M3 X 3.4mm HSS 3 Flute Straight Shank Solid Pilot Counterbore

Zoro # G2468114
Mfr # 2007-0051
product price: 
$12.65
/ea
Hhip 1/2 X 3/4" Shank High Speed Steel 2 Flute Solid  Cap Screw Counterbore 2007-0109
Hhip

1/2 X 3/4" Shank High Speed Steel 2 Flute Solid Cap Screw Counterbore

Zoro # G2468236
Mfr # 2007-0109
product price: 
$21.79
/ea
Super Tool Counterbore, 2" D, Carbide Tipped 56428
Super Tool

Counterbore, 2" D, Carbide Tipped

Zoro # G0330248
Mfr # 56428
product price: 
$414.99
/ea
Super Tool Counterbore, 21/32" D, Carbide Tipped 5796562
Super Tool

Counterbore, 21/32" D, Carbide Tipped

Zoro # G0330150
Mfr # 5796562
product price: 
$127.99
/ea
Super Tool Counterbore, 1-3/16" D, Carbide Tipped 56416
Super Tool

Counterbore, 1-3/16" D, Carbide Tipped

Zoro # G0329843
Mfr # 56416
product price: 
$154.99
/ea
Super Tool Counterbore, 13/32" D, Carbide Tipped 5794062
Super Tool

Counterbore, 13/32" D, Carbide Tipped

Zoro # G0330053
Mfr # 5794062
product price: 
$114.99
/ea
Internal Tool A Nc-094-125 N/C Counterbore 85-0941
Internal Tool

A Nc-094-125 N/C Counterbore

Zoro # G500402363
Mfr # 85-0941
product price: 
$36.79
/ea
Hhip 6 Piece M4-M12 HSS 3 Flute Straight Shank Solid Pilot Counterbore Set 2007-0001
Hhip

6 Piece M4-M12 HSS 3 Flute Straight Shank Solid Pilot Counterbore Set

Zoro # G612482277
Mfr # 2007-0001
original price:  $54.29 , new price: $46.98 , 13 percent off
13% off
new price: 
$46.98
/ea
Super Tool Counterbore, 23/32" D, Carbide Tipped 5797188
Super Tool

Counterbore, 23/32" D, Carbide Tipped

Zoro # G0330071
Mfr # 5797188
product price: 
$122.99
/ea
Porting Tools & Counterbores (993 items) - Page 6
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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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5/8 counterborescientific cutting toolspilot counterborecounter bore setmetric shcs
1-1/4 in counterborecounterbores - flat bottomcounter bore pilotmetric counterborehigh speed steel

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