If you're after a reliable cutting tool that works wonders on metals like cast iron, steel, and brass, the SF-3 is the burr for you. This dental lab burr is a favorite among metalworkers and dental technicians who appreciate durability and precision.
Ideal for both general use and fine detail work, the SF-3 offers two cutting options: single cut for speedy stock removal or double cut for a smoother, more controlled finish. Its design balances performance with ease of use, making it a smart addition to your tool kit.
Whether you’re shaping castings or refining surface finishes, this top-notch burr ensures you get the job done cleanly and consistently—making your workflow smoother from start to finish.
Key Features
Available in both Single Cut and Double Cut versions to suit different metalworking needs.
3/8" head diameter with 3/4" cutting length for versatile material engagement.
Fits securely with a 1/4" diameter shank, 2" overall length for easy handling.
Single Cut features right-hand spiral flutes for rapid stock removal on metals like cast iron and copper alloys.
Double Cut combines right and left-hand flutes to provide ultra-smooth finishes and enhanced control.
Designed for use on cast iron, steel, and various copper and brass alloys, offering broad material compatibility.
Balances speed and finish quality to save time without sacrificing surface smoothness.
Constructed with durability in mind for consistent performance during tougher jobs.
Manufacturer-backed with quality assurance for professional reliability.
Specifications
Shape / Type: F Series Tree Shape Radius End
Cut Type: Standard Cut (Single Cut) or Double Cut
Head Diameter: 3/8 inch
Cutting Length: 3/4 inch
Shank Diameter: 1/4 inch
Overall Length: 2 inches
Material Compatibility: Cast iron, steel, copper, brass alloys
Brand / Manufacturer: Burrs4Less (F Series)
Made In: USA
SKU / Part Number: 105-26164
Frequently Asked Questions
Q: Can I use the SF-3 on materials other than metals listed?
It’s designed primarily for cast iron, steel, copper, and brass alloys, but may work on other similar metals with caution.
Q: What is the difference between Single Cut and Double Cut?
Single Cut offers faster material removal with right-hand flutes, while Double Cut combines flutes for smoother finishes and better control.
Q: What shank size should I match the SF-3 with?
The burr has a 1/4 inch shank, so ensure your tool’s collet accommodates this size.
Q: Is the SF-3 suitable for dental lab applications?
Yes, it’s specifically designed also for detailed work like dental tooling and metal shaping.
Q: How long is the cutting length?
The cutting length is 3/4 inch, perfect for reaching detailed or intricate areas.
Q: Can I use the double cut burr for rapid stock removal?
While possible, the double cut burr is best suited for finishing as it prioritizes smooth results and control.
Q: What is the recommended maintenance procedure?
Regular cleaning to prevent clogging and inspecting for dullness is recommended to keep the burr effective.
Q: Is the SF-3 made in the USA?
Yes, this burr is manufactured domestically ensuring high-quality standards.
Q: How do I know when it’s time to Replace or Resharpen the burr?
Replace or Resharpen it when you notice decreased cutting efficiency or visible wear on the cutting edges.
Why Choose Carbide Burrs Direct?
Discover top reasons to pick our carbide burrs for your projects. Factory-direct quality at wholesale prices.
High Heat Resistance
Solid carbide construction maintains hardness even at high operating temperatures.
Maximum Durability
Solid piece construction ensures heat resistance and minimal breakage.
Affordable Pricing
Wholesale rates from USA manufacturer, high performance.
Industrial Heritage
Decades of experience supplying tools to the aerospace and automotive sectors.
