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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 13

Super Tool Counterbore, 29/32" D, Carbide Tipped 5779062
Super Tool

Counterbore, 29/32" D, Carbide Tipped

Zoro # G0330001
Mfr # 5779062
product price: 
$166.99
/ea
Super Tool Counterbore, 1-5/8" D, Carbide Tipped 56423
Super Tool

Counterbore, 1-5/8" D, Carbide Tipped

Zoro # G0329837
Mfr # 56423
product price: 
$257.99
/ea
Link Ua3 #6 English Shcs HSS Counterbore 60-L2-294
Link

Ua3 #6 English Shcs HSS Counterbore

Zoro # G7638769
Mfr # 60-L2-294
product price: 
$22.65
/ea
Link 1/2" 3Xd HSS Se .532 X 1.596 Drill .781 Cbore 1/2 Shank 4-1/2 Oal 50-L2-388
Link

1/2" 3Xd HSS Se .532 X 1.596 Drill .781 Cbore 1/2 Shank 4-1/2 Oal

Zoro # G7639968
Mfr # 50-L2-388
product price: 
$118.99
/ea
Link #3 HSS Se .110 X .220 Drill .175 Cbore 3/16 Shank 1-1/16 Oal 50-L2-178
Link

#3 HSS Se .110 X .220 Drill .175 Cbore 3/16 Shank 1-1/16 Oal

Zoro # G7641289
Mfr # 50-L2-178
product price: 
$19.39
/ea
Super Tool Reduced Shank Counterbore, 11/16" D 52222
Super Tool

Reduced Shank Counterbore, 11/16" D

Zoro # G0331377
Mfr # 52222
product price: 
$117.99
/ea
Internal Tool A Nc-297-312 N/C Counterbore 85-2971
Internal Tool

A Nc-297-312 N/C Counterbore

Zoro # G200402403
Mfr # 85-2971
product price: 
$80.49
/ea
Keo Counterbore Set, 7, Fractional Inch 902-000-189
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G321726334
Mfr # 902-000-189
product price: 
$573.99
/ea
Morse Cap Screw Counterbore, Straight Shank, Series 1766, 12 mm Screw, 06496 Bore Dia, 712 Overall L 25752
Morse

Cap Screw Counterbore, Straight Shank, Series 1766, 12 mm Screw, 06496 Bore Dia, 712 Overall L

Zoro # G908029070
Mfr # 25752
product price: 
$125.99
/ea
Harvey Tool 0.2187 in. 7/32 Cutter dia. x 3/4 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731614-C3
Harvey Tool

0.2187 in. 7/32 Cutter dia. x 3/4 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated

Zoro # G011325229
Mfr # 731614-C3
product price: 
$79.89
/ea
Super Tool Counterbore, 7/8" D, Carbide Tipped 59811
Super Tool

Counterbore, 7/8" D, Carbide Tipped

Zoro # G0329968
Mfr # 59811
product price: 
$149.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 17.5 mm 156620 10X17,5
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 17.5 mm

Zoro # G014389785
Mfr # 156620 10X17,5
product price: 
$47.45
/ea
Super Tool Counterbore, 13/16" D, Carbide Tipped 56410
Super Tool

Counterbore, 13/16" D, Carbide Tipped

Zoro # G0330141
Mfr # 56410
product price: 
$120.99
/ea
Super Tool Reduced Shank Counterbore, 27/32" D 52227
Super Tool

Reduced Shank Counterbore, 27/32" D

Zoro # G0331480
Mfr # 52227
product price: 
$133.99
/ea
Link #8 3Xd HSS Se .178 X .534 Drill .290 Cbore 3/8 Shank 2-1/4 Oal 50-L2-382
Link

#8 3Xd HSS Se .178 X .534 Drill .290 Cbore 3/8 Shank 2-1/4 Oal

Zoro # G7642716
Mfr # 50-L2-382
product price: 
$35.15
/ea
Kodiak Cutting Tools 1/2 Counterbore 1/64 Oversize Capscrew Style 5495908
Kodiak Cutting Tools

1/2 Counterbore 1/64 Oversize Capscrew Style

Zoro # G8624274
Mfr # 5495908
product price: 
$108.99
/ea
Kodiak Cutting Tools No. 10 Counterbores On Size Capscrew Style 5495699
Kodiak Cutting Tools

No. 10 Counterbores On Size Capscrew Style

Zoro # G8655467
Mfr # 5495699
product price: 
$49.65
/ea
Tungaloy Solid End Mill Head, VGC098L09.0R03-, PK2 6859366
Tungaloy

Solid End Mill Head, VGC098L09.0R03-, PK2

Zoro # G001779070
Mfr # 6859366
product price: 
$159.99
/pk of 2, $80.00/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: 
$176.99
/ea
Kodiak Cutting Tools No. 1 Counterbores On Size Capscrew Style 5495798
Kodiak Cutting Tools

No. 1 Counterbores On Size Capscrew Style

Zoro # G8614797
Mfr # 5495798
product price: 
$278.99
/ea
Link 3MM Co 3Fl 3.8 Pilot X 6.3 Cbore 6.35 Shank X 100 Oal 75-CO-520
Link

3MM Co 3Fl 3.8 Pilot X 6.3 Cbore 6.35 Shank X 100 Oal

Zoro # G7644956
Mfr # 75-CO-520
product price: 
$62.49
/ea
Kodiak Cutting Tools No. 5 Counterbores 1/64 Oversize Capscrew Style 5495820
Kodiak Cutting Tools

No. 5 Counterbores 1/64 Oversize Capscrew Style

Zoro # G8614849
Mfr # 5495820
product price: 
$40.35
/ea
Internal Tool A Nc-625-625 N/C Counterbore 85-6251
Internal Tool

A Nc-625-625 N/C Counterbore

Zoro # G500402530
Mfr # 85-6251
product price: 
$333.99
/ea
Internal Tool A Nc-390-437 N/C Counterbore 85-3901
Internal Tool

A Nc-390-437 N/C Counterbore

Zoro # G100402466
Mfr # 85-3901
product price: 
$127.99
/ea
Internal Tool A Nc-594-625 N/C Counterbore 85-5941
Internal Tool

A Nc-594-625 N/C Counterbore

Zoro # G900402505
Mfr # 85-5941
product price: 
$331.99
/ea
Internal Tool A Nc-234-250 N/C Counterbore 85-2341
Internal Tool

A Nc-234-250 N/C Counterbore

Zoro # G100402404
Mfr # 85-2341
product price: 
$59.59
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 26-30, 14 mm 156620 8X14
Garant

Interchangeable Pilot Pin for Counterbore 156520 26-30, 14 mm

Zoro # G614389598
Mfr # 156620 8X14
product price: 
$39.75
/ea
Link No 6 Co 3Fl 0.169 Pilot X 0.260 Cbore 1/4" Shank X 4" Oal 50-CO-181
Link

No 6 Co 3Fl 0.169 Pilot X 0.260 Cbore 1/4" Shank X 4" Oal

Zoro # G7638890
Mfr # 50-CO-181
product price: 
$67.99
/ea
Super Tool Counterbore, 9/16" D, Carbide Tipped 56406
Super Tool

Counterbore, 9/16" D, Carbide Tipped

Zoro # G0330351
Mfr # 56406
product price: 
$108.99
/ea
Super Tool Counterbore, 19/32" D, Carbide Tipped 5775938
Super Tool

Counterbore, 19/32" D, Carbide Tipped

Zoro # G0330360
Mfr # 5775938
product price: 
$130.99
/ea
Super Tool Counterbore, 31/32" D, Carbide Tipped 5799688
Super Tool

Counterbore, 31/32" D, Carbide Tipped

Zoro # G0329828
Mfr # 5799688
product price: 
$139.99
/ea
Kodiak Cutting Tools No. 5 Counterbores 1/32 Oversize Capscrew Style 5495974
Kodiak Cutting Tools

No. 5 Counterbores 1/32 Oversize Capscrew Style

Zoro # G8640986
Mfr # 5495974
product price: 
$43.85
/ea
Hhip 3/4 X 13/16 High Speed Steel 3 Flute Solid  Pilot Counterbore 2007-0034
Hhip

3/4 X 13/16 High Speed Steel 3 Flute Solid Pilot Counterbore

Zoro # G2467956
Mfr # 2007-0034
product price: 
$28.25
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 18-20, 11 mm 156620 5X11
Garant

Interchangeable Pilot Pin for Counterbore 156520 18-20, 11 mm

Zoro # G614389628
Mfr # 156620 5X11
product price: 
$33.15
/ea
Tungaloy Solid End Mill Head, VGC160L15.0R08-, PK2 6859391
Tungaloy

Solid End Mill Head, VGC160L15.0R08-, PK2

Zoro # G201779061
Mfr # 6859391
product price: 
$314.99
/pk of 2, $157.50/ea
Link Ua3 #5 English Shcs HSS Counterbore 60-L2-293
Link

Ua3 #5 English Shcs HSS Counterbore

Zoro # G7636118
Mfr # 60-L2-293
product price: 
$21.75
/ea
Porting Tools & Counterbores (993 items) - Page 13
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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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