The SF-4 is a precision-crafted tree shape radius end carbide burr, ideal for detailed metal shaping and finishing. Perfect for metalworkers looking for versatility and efficiency in their toolset.
Whether you’re grinding cast iron, steel, or non-ferrous alloys, this burr offers both standard and double cut options to suit your specific project’s needs. It’s designed to deliver rapid stock removal with smooth finishes.
Made to fit comfortably with a 1/4" shank and engineered for professional results, the SF-4 tree shape radius end burr combines control, durability, and precision in one compact package.
Key Features
Available with Standard or Double Cut flutes for versatile material removal
Right hand single cut for aggressive stock removal
Double cut combines right and left flutes for smooth finishes
7/16" head diameter offers precision in tight spaces
1" length of cut ideal for detailed work
1/4" shank diameter fits most rotary tools
Ideal for cast iron, steel, copper, and brass alloys
Manufactured for rapid wear resistance and longevity
Designed with a tree shape radius end for contour and edge work
Specifications
Shape / Type: F Series Tree Shape Radius End
Cut Type: Standard Cut or Double Cut
Head Diameter: 7/16 inch
Length of Cut: 1 inch
Shank Diameter: 1/4 inch
Overall Length: 2 inches
Material Compatibility: Cast iron, steel, copper, brass alloys
Brand / Manufacturer: Burrs4Less
Made In: USA
SKU / Part Number: 105-30204
Frequently Asked Questions
Q: What materials can the SF-4 burr cut?
A: It’s designed to work great on cast iron, steel, copper, and brass alloys.
Q: What is the difference between standard cut and double cut?
A: Standard cut is great for fast stock removal with a right-hand spiral, while double cut mixes left and right flutes to deliver smoother finishes.
Q: What size rotary tool shank do I need?
A: The SF-4 uses a 1/4 inch shank, which fits many common rotary tools.
Q: Can the tree shape radius end reach tight corners?
A: Yes, its shape is perfect for contouring and rounded edges in tight work areas.
Q: How long is the cutting length?
A: The length of cut is 1 inch, ideal for detailed shaping jobs.
Q: Is the SF-4 burr suitable for finishing work?
A: The double cut version provides a super smooth finish for finishing and deburring.
Q: Does the burr require lubrication?
A: Using coolant when working with metals prone to heat buildup is recommended to prolong burr life.
Q: What is the overall length of the burr?
A: The burr’s overall length is 2 inches, making it compact yet functional.
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.
