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  1. Home
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  5. Cutting Tools
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  7. Porting Tools & Counterbores

Porting Tools & Counterbores (993 items) - Page 17

Link #6 HSS Se .150 X .250 Drill .242 Cbore 3/16 Shank 1-7/32 Oal 50-L2-181
Link

#6 HSS Se .150 X .250 Drill .242 Cbore 3/16 Shank 1-7/32 Oal

Zoro # G7639986
Mfr # 50-L2-181
product price: 
$20.89
/ea
Super Tool Counterbore, 1-9/16" D, Carbide Tipped 56422
Super Tool

Counterbore, 1-9/16" D, Carbide Tipped

Zoro # G0329618
Mfr # 56422
product price: 
$251.99
/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: 
$42.35
/ea
Internal Tool A Nc-343-375 N/C Counterbore 85-3431
Internal Tool

A Nc-343-375 N/C Counterbore

Zoro # G600402379
Mfr # 85-3431
product price: 
$108.99
/ea
Tungaloy Solid End Mill Head, VGC120L10.0R10-, PK2 6859505
Tungaloy

Solid End Mill Head, VGC120L10.0R10-, PK2

Zoro # G401779069
Mfr # 6859505
product price: 
$197.99
/pk of 2, $99.00/ea
Tungaloy Solid End Mill Head, VGC100L09.0R20-, PK2 6859423
Tungaloy

Solid End Mill Head, VGC100L09.0R20-, PK2

Zoro # G901779033
Mfr # 6859423
product price: 
$159.99
/pk of 2, $80.00/ea
Super Tool Counterbore, 1" D, Carbide Tipped 56413
Super Tool

Counterbore, 1" D, Carbide Tipped

Zoro # G0329870
Mfr # 56413
product price: 
$148.99
/ea
Super Tool Counterbore, 29/32" D, Carbide Tipped 5799062
Super Tool

Counterbore, 29/32" D, Carbide Tipped

Zoro # G0330239
Mfr # 5799062
product price: 
$170.99
/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
Tungaloy Solid End Mill Head, VGC117L10.0R03-, PK2 6859458
Tungaloy

Solid End Mill Head, VGC117L10.0R03-, PK2

Zoro # G801779058
Mfr # 6859458
product price: 
$68.69
/pk of 2, $34.35/ea
Super Tool Reduced Shank Counterbore, 1-13/16" D 52258
Super Tool

Reduced Shank Counterbore, 1-13/16" D

Zoro # G0331462
Mfr # 52258
product price: 
$247.99
/ea
Garant Interchangeable Pilot Pin for Counterbore 156520 33-40, 21 mm 156620 10X21
Garant

Interchangeable Pilot Pin for Counterbore 156520 33-40, 21 mm

Zoro # G414389811
Mfr # 156620 10X21
product price: 
$45.65
/ea
Kodiak Cutting Tools No. 10 Counterbores 1/64 Oversize Capscrew Style 5495853
Kodiak Cutting Tools

No. 10 Counterbores 1/64 Oversize Capscrew Style

Zoro # G8604559
Mfr # 5495853
product price: 
$47.99
/ea
Super Tool Counterbore, 17/32" D, Carbide Tipped 5795312
Super Tool

Counterbore, 17/32" D, Carbide Tipped

Zoro # G0330169
Mfr # 5795312
product price: 
$148.99
/ea
Hhip M3.5 X 3.7mm HSS 3 Flute Straight Shank Solid Pilot Counterbore 2007-0053
Hhip

M3.5 X 3.7mm HSS 3 Flute Straight Shank Solid Pilot Counterbore

Zoro # G2468245
Mfr # 2007-0053
product price: 
$14.39
/ea
Super Tool Counterbore, 1/2" D, Carbide Tipped 59805
Super Tool

Counterbore, 1/2" D, Carbide Tipped

Zoro # G0329977
Mfr # 59805
product price: 
$112.99
/ea
Link 14MM Co 3Fl 14.8 Pilot X 21.8 Cbore 12.7 Shank X 150 Oal 75-CO-527
Link

14MM Co 3Fl 14.8 Pilot X 21.8 Cbore 12.7 Shank X 150 Oal

Zoro # G7637457
Mfr # 75-CO-527
product price: 
$122.99
/ea
Tungaloy Solid End Mill Head, VGC080L08.0R04-, PK2 6859503
Tungaloy

Solid End Mill Head, VGC080L08.0R04-, PK2

Zoro # G101779024
Mfr # 6859503
product price: 
$139.99
/pk of 2, $70.00/ea
Internal Tool A Nc-281-312 N/C Counterbore 85-2811
Internal Tool

A Nc-281-312 N/C Counterbore

Zoro # G600402386
Mfr # 85-2811
product price: 
$82.79
/ea
Internal Tool A Nc-187-187 N/C Counterbore 85-1871
Internal Tool

A Nc-187-187 N/C Counterbore

Zoro # G300402365
Mfr # 85-1871
product price: 
$50.39
/ea
Super Tool Counterbore, 19/32" D, Carbide Tipped 5795938
Super Tool

Counterbore, 19/32" D, Carbide Tipped

Zoro # G0330062
Mfr # 5795938
product price: 
$125.99
/ea
Super Tool Reduced Shank Counterbore, 31/32" D 52231
Super Tool

Reduced Shank Counterbore, 31/32" D

Zoro # G0331243
Mfr # 52231
product price: 
$138.99
/ea
Internal Tool A Nc-203-250 N/C Counterbore 85-2031
Internal Tool

A Nc-203-250 N/C Counterbore

Zoro # G800402360
Mfr # 85-2031
product price: 
$56.29
/ea
Hhip 5/16 X 7/16" High Speed Steel 2 Flute Solid  Cap Screw Counterbore 2007-0106
Hhip

5/16 X 7/16" High Speed Steel 2 Flute Solid Cap Screw Counterbore

Zoro # G2467895
Mfr # 2007-0106
product price: 
$17.99
/ea
Super Tool Counterbore, 1/4" D, Carbide Tipped 56401
Super Tool

Counterbore, 1/4" D, Carbide Tipped

Zoro # G0330333
Mfr # 56401
product price: 
$88.39
/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
Super Tool Reduced Shank Counterbore, 1-7/8" D 52260
Super Tool

Reduced Shank Counterbore, 1-7/8" D

Zoro # G0331517
Mfr # 52260
product price: 
$232.99
/ea
Morse Cap Screw Counterbore, Series 1766, 4 Screw, 0199 Bore Dia, 378 Overall Length, 4 Flutes, 01 25701
Morse

Cap Screw Counterbore, Series 1766, 4 Screw, 0199 Bore Dia, 378 Overall Length, 4 Flutes, 01

Zoro # G108028958
Mfr # 25701
product price: 
$53.99
/ea
Super Tool Counterbore, 23/32" D, Carbide Tipped 5777188
Super Tool

Counterbore, 23/32" D, Carbide Tipped

Zoro # G0330211
Mfr # 5777188
product price: 
$153.99
/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
Qualtech Counterbore, Round Shank, Series DEWCBR, 278 Bore, 978 Overall Length, 134 Shank Diameter,  DEWCBR2-7/8
Qualtech

Counterbore, Round Shank, Series DEWCBR, 278 Bore, 978 Overall Length, 134 Shank Diameter,

Zoro # G108029122
Mfr # DEWCBR2-7/8
product price: 
$512.99
/ea
Internal Tool A Nc-453-500 N/C Counterbore 85-4531
Internal Tool

A Nc-453-500 N/C Counterbore

Zoro # G400402364
Mfr # 85-4531
product price: 
$174.99
/ea
Link 5/16" Co 3Fl 0.343 Pilot X 0.507 Cbore 3/8" Shank X 5" Oal 50-CO-185
Link

5/16" Co 3Fl 0.343 Pilot X 0.507 Cbore 3/8" Shank X 5" Oal

Zoro # G7638866
Mfr # 50-CO-185
product price: 
$85.65
/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: 
$31.79
/ea
Keen Sleeve Height & Counterbore Gage KE278657
Keen

Sleeve Height & Counterbore Gage

Zoro # G909923957
Mfr # KE278657
product price: 
$328.99
/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
Porting Tools & Counterbores (993 items) - Page 17
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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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