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 23

Scientific Cutting Tools Port Tool, 13/16"-16, 2-1/8 in, Straight MS33649-9S
Scientific Cutting Tools

Port Tool, 13/16"-16, 2-1/8 in, Straight

Zoro # G8212635
Mfr # MS33649-9S
product price:  $223.99
/ea
Cleveland Counterbore, 3.000" L, 0.250" dia., Bright C91697
Cleveland

Counterbore, 3.000" L, 0.250" dia., Bright

Zoro # G4765463
Mfr # C91697
product price:  $136.99
/ea
Cleveland AircraftCounterboreW/IntPilot, 15/32in C46893
Cleveland

AircraftCounterboreW/IntPilot, 15/32in

Zoro # G4845668
Mfr # C46893
product price:  $104.99
/ea
Cleveland Counterbore, 2.500" L, 0.375" dia., Bright C46647
Cleveland

Counterbore, 2.500" L, 0.375" dia., Bright

Zoro # G4782430
Mfr # C46647
product price:  $53.89
/ea
Cleveland Port Tool, 3.813" L, 0.312" dia., Bright C46426
Cleveland

Port Tool, 3.813" L, 0.312" dia., Bright

Zoro # G4766933
Mfr # C46426
product price:  $125.99
/ea
Cleveland Pilot for Counterbores, 3/32 in, 5/32 in C46533
Cleveland

Pilot for Counterbores, 3/32 in, 5/32 in

Zoro # G4784783
Mfr # C46533
product price:  $27.45
/ea
Cleveland AircraftCounterboreW/IntPilot, 13/32in C46891
Cleveland

AircraftCounterboreW/IntPilot, 13/32in

Zoro # G4787647
Mfr # C46891
product price:  $97.79
/ea
Cleveland Counterbore, 7.000" L, 0.500" dia., Bright C91719
Cleveland

Counterbore, 7.000" L, 0.500" dia., Bright

Zoro # G4814308
Mfr # C91719
product price:  $212.99
/ea
Cleveland Counterbore, 2.156" L, 0.313" dia., Bright C46600
Cleveland

Counterbore, 2.156" L, 0.313" dia., Bright

Zoro # G4810333
Mfr # C46600
product price:  $42.15
/ea
Cleveland Pilot for Counterbores, 3/32 in, 3/32 in C46528
Cleveland

Pilot for Counterbores, 3/32 in, 3/32 in

Zoro # G4791110
Mfr # C46528
product price:  $31.15
/ea
Cleveland Counterbore, 6.500" L, 0.500" dia., Bright C91713
Cleveland

Counterbore, 6.500" L, 0.500" dia., Bright

Zoro # G4806842
Mfr # C91713
product price:  $151.99
/ea
Cleveland Counterbore, 1.937" L, 0.375" dia., Bright C46669
Cleveland

Counterbore, 1.937" L, 0.375" dia., Bright

Zoro # G4841492
Mfr # C46669
product price:  $61.59
/ea
Cleveland Counterbore Set, 8, Fractional Inch C91770
Cleveland

Counterbore Set, 8, Fractional Inch

Zoro # G4865968
Mfr # C91770
product price:  $1,150.99
/ea
Cleveland Port Tool, 6.375" L, 0.750" dia., Bright C46448
Cleveland

Port Tool, 6.375" L, 0.750" dia., Bright

Zoro # G4837189
Mfr # C46448
product price:  $266.99
/ea
Cleveland Port Tool, 6.125" L, 0.750" dia., Bright C46445
Cleveland

Port Tool, 6.125" L, 0.750" dia., Bright

Zoro # G4796747
Mfr # C46445
product price:  $198.99
/ea
Cleveland Pilot for Counterbores, 1/8 in, 1/8 in C46544
Cleveland

Pilot for Counterbores, 1/8 in, 1/8 in

Zoro # G4776657
Mfr # C46544
product price:  $30.59
/ea
Cleveland Counterbore, 1.375" L, 0.156" dia., Bright C46555
Cleveland

Counterbore, 1.375" L, 0.156" dia., Bright

Zoro # G4846611
Mfr # C46555
product price:  $30.15
/ea
Cleveland Counterbore, 2.187" L, 0.250" dia., Bright C46687
Cleveland

Counterbore, 2.187" L, 0.250" dia., Bright

Zoro # G4818867
Mfr # C46687
product price:  $71.99
/ea
Cleveland Counterbore, 3.000" L, 0.219" dia., Bright C91695
Cleveland

Counterbore, 3.000" L, 0.219" dia., Bright

Zoro # G4834258
Mfr # C91695
product price:  $109.99
/ea
Cleveland Counterbore, 6.000" L, 0.438" dia., Bright C92708
Cleveland

Counterbore, 6.000" L, 0.438" dia., Bright

Zoro # G4864102
Mfr # C92708
product price:  $140.99
/ea
Cleveland Counterbore, 6.000" L, 0.438" dia., Bright C91710
Cleveland

Counterbore, 6.000" L, 0.438" dia., Bright

Zoro # G4799669
Mfr # C91710
product price:  $150.99
/ea
Cleveland Port Tool, 2.375" L, 0.250" dia., Bright C46888
Cleveland

Port Tool, 2.375" L, 0.250" dia., Bright

Zoro # G4798637
Mfr # C46888
product price:  $90.69
/ea
Cleveland Counterbore, 3.500" L, 0.344" dia., Bright C91701
Cleveland

Counterbore, 3.500" L, 0.344" dia., Bright

Zoro # G4829647
Mfr # C91701
product price:  $135.99
/ea
Cleveland Port Tool, 4.063" L, 0.375" dia., Bright C46428
Cleveland

Port Tool, 4.063" L, 0.375" dia., Bright

Zoro # G4760828
Mfr # C46428
product price:  $130.99
/ea
Cleveland Counterbore, 1.875" L, 0.188" dia., Bright C46556
Cleveland

Counterbore, 1.875" L, 0.188" dia., Bright

Zoro # G4823283
Mfr # C46556
product price:  $30.15
/ea
Cleveland Counterbore, 8.250" L, 0.750" dia., Bright C91728
Cleveland

Counterbore, 8.250" L, 0.750" dia., Bright

Zoro # G4768239
Mfr # C91728
product price:  $281.99
/ea
Cleveland Counterbore, 7.250" L, 0.500" dia., Bright C91721
Cleveland

Counterbore, 7.250" L, 0.500" dia., Bright

Zoro # G4767539
Mfr # C91721
product price:  $177.99
/ea
Cleveland Counterbore, 1.375" L, 0.156" dia., Bright C46565
Cleveland

Counterbore, 1.375" L, 0.156" dia., Bright

Zoro # G4848370
Mfr # C46565
product price:  $31.29
/ea
Cleveland Counterbore, 2.156" L, 0.313" dia., Bright C46614
Cleveland

Counterbore, 2.156" L, 0.313" dia., Bright

Zoro # G4767703
Mfr # C46614
product price:  $44.19
/ea
Cleveland Pilot for Counterbores, 3/16 in, 3/16 in C46546
Cleveland

Pilot for Counterbores, 3/16 in, 3/16 in

Zoro # G4802730
Mfr # C46546
product price:  $32.25
/ea
Cleveland Counterbore, 7.000" L, 0.500" dia., Bright C91717
Cleveland

Counterbore, 7.000" L, 0.500" dia., Bright

Zoro # G4756217
Mfr # C91717
product price:  $193.99
/ea
Cleveland Counterbore, 3.000" L, 0.219" dia., Bright C91696
Cleveland

Counterbore, 3.000" L, 0.219" dia., Bright

Zoro # G4851152
Mfr # C91696
product price:  $124.99
/ea
Cleveland Counterbore, 8.250" L, 0.750" dia., Bright C91726
Cleveland

Counterbore, 8.250" L, 0.750" dia., Bright

Zoro # G4836653
Mfr # C91726
product price:  $219.99
/ea
Cleveland Counterbore, 6.500" L, 0.500" dia., Bright C91712
Cleveland

Counterbore, 6.500" L, 0.500" dia., Bright

Zoro # G4772271
Mfr # C91712
product price:  $156.99
/ea
Cleveland Counterbore, 1.875" L, 0.188" dia., Bright C46551
Cleveland

Counterbore, 1.875" L, 0.188" dia., Bright

Zoro # G4771757
Mfr # C46551
product price:  $29.89
/ea
Cleveland Port Tool, 5.125" L, 0.500" dia., Bright C46435
Cleveland

Port Tool, 5.125" L, 0.500" dia., Bright

Zoro # G4826357
Mfr # C46435
product price:  $156.99
/ea
Porting Tools & Counterbores (993 items) - Page 23
  • First
  • Previous
  • 23
    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
Precision Measuring ToolsMeasuring and Layout ToolsKnives, Cutters & SnipsSockets & RatchetsPower Saw Blades
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