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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

Internal Tool A Nc-125-125 N/C Counterbore 85-1251
Internal Tool

A Nc-125-125 N/C Counterbore

Zoro # G700402361
Mfr # 85-1251
product price:  $36.79
/ea
Super Tool Counterbore, 27/32" D, Carbide Tipped 5778438
Super Tool

Counterbore, 27/32" D, Carbide Tipped

Zoro # G0330290
Mfr # 5778438
product price:  $145.99
/ea
Link 1/2" HSS Se .532 X .562 Drill .781 Cbore 5/8 Shank 2-11/16 Oal 50-L2-188
Link

1/2" HSS Se .532 X .562 Drill .781 Cbore 5/8 Shank 2-11/16 Oal

Zoro # G7638735
Mfr # 50-L2-188
product price:  $51.19
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G521726745
Mfr # 902-000-132
product price:  $76.79
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G421726517
Mfr # 902-000-322
product price:  $71.79
/ea
No Product Image Available
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G621726478
Mfr # 902-000-292
product price:  $647.99
/ea
Qualtech Counterbore, Morse Taper Shank, Series DEWCBR, 238 Bore, 978 Overall Length, 5 Shank Diamete DEWCBRTS2-3/8
Qualtech

Counterbore, Morse Taper Shank, Series DEWCBR, 238 Bore, 978 Overall Length, 5 Shank Diamete

Zoro # G708029089
Mfr # DEWCBRTS2-3/8
product price:  $404.99
/ea
Harvey Tool Counterbores-Flat Bottom, 676732, Uncoated, 1/2" Cutter Diameter, 1-1/2" Flute Length 676732
Harvey Tool

Counterbores-Flat Bottom, 676732, Uncoated, 1/2" Cutter Diameter, 1-1/2" Flute Length

Zoro # G422920709
Mfr # 676732
product price:  $161.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G321727607
Mfr # 902-000-310
product price:  $110.99
/ea
Internal Tool A Nc-547-562 N/C Counterbore 85-5471
Internal Tool

A Nc-547-562 N/C Counterbore

Zoro # G000402504
Mfr # 85-5471
product price:  $232.99
/ea
Internal Tool A Nc-672-750 N/C Counterbore 85-6721
Internal Tool

A Nc-672-750 N/C Counterbore

Zoro # G700402484
Mfr # 85-6721
product price:  $444.99
/ea
No Product Image Available
Keo

Counterbore, Metric, 80 mm

Zoro # G821726940
Mfr # 902-000-234
product price:  $75.39
/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
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
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
Internal Tool A Nc-250-250 N/C Counterbore 85-2501
Internal Tool

A Nc-250-250 N/C Counterbore

Zoro # G600402430
Mfr # 85-2501
product price:  $57.99
/ea
Internal Tool A Nc-219-250 N/C Counterbore 85-2191
Internal Tool

A Nc-219-250 N/C Counterbore

Zoro # G900402406
Mfr # 85-2191
product price:  $57.99
/ea
Internal Tool A Nc-265-312 N/C Counterbore 85-2651
Internal Tool

A Nc-265-312 N/C Counterbore

Zoro # G000402450
Mfr # 85-2651
product price:  $80.79
/ea
Super Tool Counterbore, 13/16" D, Carbide Tipped 59810
Super Tool

Counterbore, 13/16" D, Carbide Tipped

Zoro # G0330193
Mfr # 59810
product price:  $129.99
/ea
No Product Image Available
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G421725862
Mfr # 902-000-192
product price:  $573.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G421724704
Mfr # 902-000-171
product price:  $258.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G321727546
Mfr # 902-000-081
product price:  $57.59
/ea
Link #5 3Xd HSS Se .138 X .414 Drill .220 Cbore 1/4 Shank 2 Oal 50-L2-380
Link

#5 3Xd HSS Se .138 X .414 Drill .220 Cbore 1/4 Shank 2 Oal

Zoro # G7644840
Mfr # 50-L2-380
product price:  $30.55
/ea
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
Link 2.5MM Co 3Fl 3.0 Pilot X 5.4 Cbore 6.35 Shank X 100 Oal 75-CO-519
Link

2.5MM Co 3Fl 3.0 Pilot X 5.4 Cbore 6.35 Shank X 100 Oal

Zoro # G7639977
Mfr # 75-CO-519
product price:  $80.15
/ea
Super Tool Reduced Shank Counterbore, 29/32" D 52229
Super Tool

Reduced Shank Counterbore, 29/32" D

Zoro # G0331228
Mfr # 52229
product price:  $135.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G121726527
Mfr # 902-000-135
product price:  $93.39
/ea
Link 12MM Co 3Fl 12.8 Pilot X 18.8 Cbore 9.53 Shank X 125 Oal 75-CO-526
Link

12MM Co 3Fl 12.8 Pilot X 18.8 Cbore 9.53 Shank X 125 Oal

Zoro # G7641264
Mfr # 75-CO-526
product price:  $108.99
/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
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
Tungaloy Solid End Mill Head, VGC080L08.0R20-, PK2 6859504
Tungaloy

Solid End Mill Head, VGC080L08.0R20-, PK2

Zoro # G401779045
Mfr # 6859504
product price:  $139.99
/pk 2, $70.00/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G421727217
Mfr # 902-000-186
product price:  $518.99
/ea
Super Tool Counterbore, 1-7/16" D, Carbide Tipped 56420
Super Tool

Counterbore, 1-7/16" D, Carbide Tipped

Zoro # G0329861
Mfr # 56420
product price:  $238.99
/ea
Super Tool Counterbore, 1-1/16" D, Carbide Tipped 56414
Super Tool

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

Zoro # G0329898
Mfr # 56414
product price:  $135.99
/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
No Product Image Available
Keo

Counterbore, Metric, 100 mm

Zoro # G521726073
Mfr # 902-000-255
product price:  $98.89
/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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counter bore pilot1-1/4 in counterborepilot counterboremetric shcshigh speed steel

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