The SF-13 from the F Series is a top-shelf Tree Shape Radius End carbide burr designed to tackle metalworking with ease and precision. Whether you’re smoothing rough edges or shaping intricate curves, this tool stands ready for action.
Ideal for metalworkers and machinists who demand both speed and a clean finish, it handles cast iron, steel, copper, and brass with its standard or double cut options.
Built for rapid stock removal without sacrificing surface quality, the SF-13 makes sure your projects look sharp and professional every time.
Key Features
Available in Standard Cut and Double Cut for versatile applications
Tree shape tip with a radius end ideal for curved and contoured surfaces
1/2 inch head diameter balances control and coverage
3/4 inch length of cut for effective material removal
1/4 inch shank diameter that fits most grinders and rotary tools
Right hand spiral flute in single cut for rapid stock removal
Double cut combines right and left hand flutes for superior surface finish and control
Suitable for use on cast iron, steel, copper, and brass alloys
Designed for excellent burr control to reduce operator fatigue
Manufactured with durable tungsten carbide to extend tool life
Specifications
Shape / Type: Tree Shape Radius End
Cut Type: Standard Cut or Double Cut
Head Diameter: 1/2 inch
Length of Cut: 3/4 inch
Shank Diameter: 1/4 inch
Overall Length: 2 inches
Material Compatibility: Cast Iron, Steel, Copper, Brass Alloys
Brand / Manufacturer: F Series
Made In: USA
SKU / Part Number: 105-34164
Frequently Asked Questions
Q: What materials can the SF-13 burr handle?
It works great on cast iron, steel, copper, and brass alloys.
Q: What’s the difference between Standard Cut and Double Cut burrs?
Standard Cut removes material quickly with a right hand spiral flute, while Double Cut has combined flutes for smoother finishes and better control.
Q: Is the shank compatible with my rotary tool?
The SF-13 has a 1/4 inch shank, which fits most common rotary grinders and die grinders.
Q: Can I use this burr on materials other than metals?
While designed for metals like steel and brass, it can also be used on some hard plastics, but performance may vary.
Q: How do I prevent the burr from dulling quickly?
Use proper speed, apply light pressure, and lubricate if cutting tougher materials to extend tool life.
Q: What is the benefit of the tree shape radius end?
This shape allows you to reach tight curves and contours with smooth, controlled cuts.
Q: How long is the working cut length?
The cutting length is 3/4 inch, suitable for detailed but effective material removal.
Q: Is the burr made in the USA?
Yes, the SF-13 is made in the USA, ensuring top manufacturing 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.