Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Deals
  • Contact Us
Added to Cart
Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Support
0
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Tools & Machining
  4. /
  5. Cutting Tools
  6. /
  7. Porting Tools & Counterbores

Porting Tools & Counterbores (993 items) - Page 12

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
Harvey Tool Counterbores - Flat Bottom 23380-C3
Harvey Tool

Counterbores - Flat Bottom

Zoro # G201018894
Mfr # 23380-C3
product price: 
$60.15
/ea
Harvey Tool 0.0937 in. 3/32 Cutter dia x 3/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731593
Harvey Tool

0.0937 in. 3/32 Cutter dia x 3/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G511325064
Mfr # 731593
product price: 
$54.79
/ea
Harvey Tool 3/16 Cutter dia. x .75 in. 3/4 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731612-C3
Harvey Tool

3/16 Cutter dia. x .75 in. 3/4 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated

Zoro # G011325069
Mfr # 731612-C3
product price: 
$61.15
/ea
Harvey Tool 0.2812 in. 9/32 Cutter dia x 0.875 in. 7/8 Flute Length Carbide Flat Bottom Counterbore 731618
Harvey Tool

0.2812 in. 9/32 Cutter dia x 0.875 in. 7/8 Flute Length Carbide Flat Bottom Counterbore

Zoro # G211325203
Mfr # 731618
product price: 
$86.29
/ea
Harvey Tool 0.3437 in. 11/32 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731622
Harvey Tool

0.3437 in. 11/32 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G611325346
Mfr # 731622
product price: 
$102.99
/ea
Harvey Tool 0.0937 in. 3/32 Cutter dia. x 3/8 in. Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731593-C3
Harvey Tool

0.0937 in. 3/32 Cutter dia. x 3/8 in. Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated

Zoro # G411325058
Mfr # 731593-C3
product price: 
$63.29
/ea
Harvey Tool Counterbores - Flat Bottom 23320
Harvey Tool

Counterbores - Flat Bottom

Zoro # G601022507
Mfr # 23320
product price: 
$52.79
/ea
Harvey Tool 11/32 in. Cutter dia. x 1 in. 1 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731622-C3
Harvey Tool

11/32 in. Cutter dia. x 1 in. 1 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated

Zoro # G811325290
Mfr # 731622-C3
product price: 
$118.99
/ea
Harvey Tool 9/32 in. Cutter dia. x7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated 731618-C3
Harvey Tool

9/32 in. Cutter dia. x7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated

Zoro # G611325216
Mfr # 731618-C3
product price: 
$99.89
/ea
Harvey Tool 5/16 Cutter dia. x 1 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated 23420-C8
Harvey Tool

5/16 Cutter dia. x 1 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated

Zoro # G311324687
Mfr # 23420-C8
product price: 
$96.15
/ea
Harvey Tool Counterbores - Flat Bottom 23330-C3
Harvey Tool

Counterbores - Flat Bottom

Zoro # G401020246
Mfr # 23330-C3
product price: 
$56.79
/ea
Keo Counterbore Set, 7, Fractional Inch 902-000-192
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G421725862
Mfr # 902-000-192
product price: 
$573.99
/ea
Harvey Tool 0.25in. 1/4 Cutter dia x 0.8750 in. 7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes 731616
Harvey Tool

0.25in. 1/4 Cutter dia x 0.8750 in. 7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes

Zoro # G911325251
Mfr # 731616
product price: 
$70.69
/ea
Harvey Tool Counterbores - Flat Bottom 23409-C6
Harvey Tool

Counterbores - Flat Bottom

Zoro # G604195383
Mfr # 23409-C6
product price: 
$56.89
/ea
Harvey Tool Counterbores - Flat Bottom 23411-C6
Harvey Tool

Counterbores - Flat Bottom

Zoro # G804195398
Mfr # 23411-C6
product price: 
$61.49
/ea
Keo Counterbore Set, 7, Fractional Inch 902-000-195
Keo

Counterbore Set, 7, Fractional Inch

Zoro # G321727829
Mfr # 902-000-195
product price: 
$573.99
/ea
Harvey Tool Counterbores - Flat Bottom 23432-C6
Harvey Tool

Counterbores - Flat Bottom

Zoro # G504195384
Mfr # 23432-C6
product price: 
$182.99
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-126
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G421726708
Mfr # 902-000-126
product price: 
$76.79
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-313
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G921726406
Mfr # 902-000-313
product price: 
$92.89
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-318
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G821726032
Mfr # 902-000-318
product price: 
$82.59
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-120
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G321726624
Mfr # 902-000-120
product price: 
$73.39
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-316
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G921726161
Mfr # 902-000-316
product price: 
$77.59
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-108
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G221726663
Mfr # 902-000-108
product price: 
$67.69
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-317
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G621725921
Mfr # 902-000-317
product price: 
$82.59
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-117
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G721727269
Mfr # 902-000-117
product price: 
$73.39
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-123
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G621726300
Mfr # 902-000-123
product price: 
$68.29
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-319
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G021725804
Mfr # 902-000-319
product price: 
$78.19
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-111
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G321727119
Mfr # 902-000-111
product price: 
$67.69
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-132
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G521726745
Mfr # 902-000-132
product price: 
$76.79
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-314
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G221724614
Mfr # 902-000-314
product price: 
$86.15
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-321
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G621724955
Mfr # 902-000-321
product price: 
$74.89
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-129
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G021726566
Mfr # 902-000-129
product price: 
$76.79
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-114
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G821726896
Mfr # 902-000-114
product price: 
$70.69
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-315
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G621725426
Mfr # 902-000-315
product price: 
$86.15
/ea
Keo Counterbore, Decimal Inch, 4-1/2 in 902-000-320
Keo

Counterbore, Decimal Inch, 4-1/2 in

Zoro # G321725061
Mfr # 902-000-320
product price: 
$74.89
/ea
Porting Tools & Counterbores (993 items) - Page 12
  • First
  • Previous
  • 12
    of 28 pages
  • Next
  • Last
How was your search?

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

Drill BitsTapsHole Saws & CuttersEnd MillsWrenches
Sockets & RatchetsMeasuring and Layout ToolsClampsCutting and Shaping ToolsScrewdrivers and Nutdrivers
counter bore pilotmetric counterbore set5/8 counterborepilot counterboreinterchangeable pilot counterbore
high speed steelscientific cutting toolsmetric shcs1-1/4 in counterboremetric counterbore

Sign up and save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every part plays a part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Deals
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research
  • Tax Exemption

Zoro, Inc

Connect

Customer service from real people

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc