Porting Tools & Counterbores (994 items) - Page 18
No. 5/16 Counterbores On Size Capscrew Style
1/2 Counterbore 1/64 Oversize Capscrew Style
10Pc Counterbore Set No 4-1/2 1/32 Oversize HSS Counterbore Set
No. 8 Counterbores On Size Capscrew Style
No. 4 Counterbores 1/32 Oversize Capscrew Style
7/16 Counterbore 1/32 Oversize Capscrew Style
No. 5/8 Counterbores 1/32 Oversize Capscrew Style
No. 6 Counterbores On Size Capscrew Style
No. 3/8 Counterbores 1/32 Oversize Capscrew Style
No. 8 Counterbores 1/32 Oversize Capscrew Style
7/16 Counterbore 1/64 Oversize Capscrew Style
0.5000 in. 1/2 Cutter dia x 1.0000 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
0.3437 in. 11/32 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
0.2187 in. 7/32 Cutter dia x 0.75in. 3/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
Counterbores - Flat Bottom
5/16 Cutter dia. x 1 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated
0.0625 in. 1/16 Cutter dia x 0.25in. 1/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
0.2187 in. 7/32 Cutter dia. x 3/4 Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated
1/16 Cutter dia. x 1/4 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated
1/8 in. Cutter dia. x 1/2 in. Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated
0.0937 in. 3/32 Cutter dia. x 3/8 in. Carbide Flat Bottom Counterbore, 4 Flutes, AlTiN Coated
0.1181 in. 3 mm Cutter dia. x 3/8 in. Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated
0.3750 in. 3/8 Cutter dia x 1.0000 in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
Counterbores - Flat Bottom
1/4 in. Cutter dia. x7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes, TiB2 Coated
0.3125 in. 5/16 Cutter dia x 1.00in. 1 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
0.1875 in. 3/16 Cutter dia x 0.75in. 3/4 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
Counterbores - Flat Bottom
0.25in. 1/4 Cutter dia x 0.8750 in. 7/8 Flute Length Carbide Flat Bottom Counterbore, 4 Flutes
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.









