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3/8" Tree Shape Radius End Double Cut Flex Shank Carbide Burr 7", 12", & 18"

In stock
Special Price $26.28 Regular Price $32.21
Overview Features Specifications FAQ

Product Overview

If you’re tackling tough-to-reach spots on castings or intricate metalwork, the SF-3 x 7" Flex Shank Carbide Burr is the tool to have on hand. Its flexible shank design lets you maneuver with ease in tight or awkward spaces where standard or longer burrs just can't reach.

Designed for metalworking pros and hobbyists alike, this carbide burr comes in multiple lengths including 7", 12", and 18", plus various shapes to fit just about any job. Whether it’s smoothing, shaping, or grinding, it’s built to deliver precision and control.

Featuring a 3/8" diameter tree shape radius end with a double cut, this burr ensures a smooth finish, reducing your effort while enhancing your craftsmanship. Get ready to upgrade your workflow with a flexible, reliable cutting tool that does more in hard-to-reach places.

Key Features

  • Flexible 6-inch shank to access tight or curved areas.
  • 3/8-inch diameter tree-shaped radius end for precision work.
  • Double cut design combining right and left hand flutes for ultra-smooth finishes.
  • Available in multiple lengths: 7", 12", and 18" for various reach needs.
  • Slight left-hand cutting action provides excellent tool control.
  • Ideal for castings and hard-to-reach metal surfaces.
  • Works great on a variety of metals and materials.
  • Durable tungsten carbide construction ensures long life.
  • Compatible with most flex shaft rotary tools.
  • Offers better control and precision compared to rigid shaft burrs.

Specifications

  • Shape / Type: Tree Shape Radius End
  • Cut Type: Standard Cut or Double Cut
  • Head Diameter: 3/8 inch
  • Shank Diameter: Flexible Shank
  • Overall Length: 7 inches (also available in 12" and 18")
  • Material Compatibility: Suitable for castings and various metals
  • Brand / Manufacturer: Burrs4Less
  • Made In: USA
  • SKU / Part Number: SF-3 x 7" Flex Shank Carbide

Frequently Asked Questions

  • Q: What materials can this burr be used on?

    A: It's designed primarily for castings and metal, but it's versatile enough for many metals and some hard materials.

  • Q: Can I use this burr with a standard rotary tool?

    A: Yes, as long as your rotary tool supports flexible shank bits, this will work perfectly.

  • Q: What's the difference between standard cut and double cut?

    A: Double cut burrs have flutes in two directions to provide smoother finishes and better control, while standard cuts remove material faster.

  • Q: How flexible is the shank?

    A: The shank is designed to flex enough to reach awkward angles without breaking but remains sturdy for safe operation.

  • Q: Are other shapes available with this flexible shank?

    A: Yes, Burrs4Less offers this flexible shank design in many shapes and sizes for different jobs.

  • Q: Can I use this for woodworking?

    A: While it’s designed for metal, skilled users sometimes use carbide burrs on hardwoods, but better options exist specifically for wood.

  • Q: How do I know when the burr needs replacing?

    A: when you notice decreased cutting performance, smoothness, or visible wear on the cutting edges, it's time to replace.

  • Q: Is the flexible shank durable for heavy-duty jobs?

    A: The flexible shank is sturdy but best suited for finishing and trimming in hard-to-reach areas rather than heavy stock removal.

  • 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.