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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 9

No Product Image Available
Keo

Counterbore, Metric, 80 mm

Zoro # G321725443
Mfr # 902-000-231
product price:  $72.89
/ea
Internal Tool A Nc-359-375 N/C Counterbore 85-3591
Internal Tool

A Nc-359-375 N/C Counterbore

Zoro # G500402424
Mfr # 85-3591
product price:  $103.99
/ea
Super Tool Reduced Shank Counterbore, 9/32" D 52209
Super Tool

Reduced Shank Counterbore, 9/32" D

Zoro # G0331550
Mfr # 52209
product price:  $78.49
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G021726566
Mfr # 902-000-129
product price:  $76.79
/ea
Morse Cap Screw Counterbore, Straight Shank, Series 1766, 10 mm Screw, 06496 Bore Dia, 7 Overall Lengt 25751
Morse

Cap Screw Counterbore, Straight Shank, Series 1766, 10 mm Screw, 06496 Bore Dia, 7 Overall Lengt

Zoro # G208029138
Mfr # 25751
product price:  $107.99
/ea
No Product Image Available
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G321727829
Mfr # 902-000-195
product price:  $573.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G621726300
Mfr # 902-000-123
product price:  $68.29
/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
Internal Tool A Nc-171-187 N/C Counterbore 85-1711
Internal Tool

A Nc-171-187 N/C Counterbore

Zoro # G300402433
Mfr # 85-1711
product price:  $49.15
/ea
No Product Image Available
Keo

Counterbore, Metric, 100 mm

Zoro # G921727458
Mfr # 902-000-264
product price:  $112.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G221725109
Mfr # 902-000-309
product price:  $127.99
/ea
Link No 10 Co 3Fl 0.221 Pilot X 0.346 Cbore 5/16" Shank X 4" Oal 50-CO-183
Link

No 10 Co 3Fl 0.221 Pilot X 0.346 Cbore 5/16" Shank X 4" Oal

Zoro # G7637308
Mfr # 50-CO-183
product price:  $75.75
/ea
No Product Image Available
Keo

Counterbore, Metric, 80 mm

Zoro # G521725885
Mfr # 902-000-237
product price:  $71.69
/ea
Link 14MM HSS Se 14.68 X 16.67 Drill 21.82 Cbore 15.87 Shank 66.67 Oal 75-L2-527
Link

14MM HSS Se 14.68 X 16.67 Drill 21.82 Cbore 15.87 Shank 66.67 Oal

Zoro # G7637335
Mfr # 75-L2-527
product price:  $46.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G021725804
Mfr # 902-000-319
product price:  $78.19
/ea
Tungaloy Solid End Mill Head, VGC120L10.0R20-, PK2 6859335
Tungaloy

Solid End Mill Head, VGC120L10.0R20-, PK2

Zoro # G901779019
Mfr # 6859335
product price:  $201.99
/pk 2, $101.00/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G321727119
Mfr # 902-000-111
product price:  $67.69
/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
No Product Image Available
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G221724652
Mfr # 902-000-298
product price:  $432.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G121727029
Mfr # 902-000-177
product price:  $382.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G421726210
Mfr # 902-000-147
product price:  $109.99
/ea
Keen Sleeve Height & Counterbore Gage KE278657
Keen

Sleeve Height & Counterbore Gage

Zoro # G909923957
Mfr # KE278657
product price:  $328.99
/ea
Super Tool Counterbore, 27/32" D, Carbide Tipped 5798438
Super Tool

Counterbore, 27/32" D, Carbide Tipped

Zoro # G0330187
Mfr # 5798438
product price:  $158.99
/ea
No Product Image Available
Keo

Counterbore, Metric, 100 mm

Zoro # G621725938
Mfr # 902-000-243
product price:  $85.79
/ea
Link Ua6-10MM Metric Shcs HSS Counterbore 72-L2-515
Link

Ua6-10MM Metric Shcs HSS Counterbore

Zoro # G7643967
Mfr # 72-L2-515
product price:  $37.79
/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
No Product Image Available
Keo

Counterbore, Decimal Inch, 6 in

Zoro # G321726112
Mfr # 902-000-156
product price:  $125.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G821726605
Mfr # 902-000-307
product price:  $127.99
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G821726032
Mfr # 902-000-318
product price:  $82.59
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 3 in

Zoro # G721726408
Mfr # 902-000-324
product price:  $71.15
/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
No Product Image Available
Keo

Counterbore, Decimal Inch, 5 in

Zoro # G521725823
Mfr # 902-000-141
product price:  $93.39
/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
No Product Image Available
Keo

Counterbore, Metric, 100 mm

Zoro # G221725246
Mfr # 902-000-252
product price:  $98.89
/ea
No Product Image Available
Keo

Counterbore, Decimal Inch, 7 in

Zoro # G521725250
Mfr # 902-000-183
product price:  $518.99
/ea
Internal Tool A Nc-687-750 N/C Counterbore 85-6871
Internal Tool

A Nc-687-750 N/C Counterbore

Zoro # G500402516
Mfr # 85-6871
product price:  $465.99
/ea
Porting Tools & Counterbores (993 items) - Page 9
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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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