Looking for a versatile carbide burr that tackles those hard-to-reach spots? The SF-1 x 7" Flex Shaft Burr offers a flexible shank design that bends and twists effortlessly, making it perfect for intricate metal or woodwork projects.
Designed for metalworking pros and woodworkers dealing with castings and tight angles, this burr’s tree radius end shape with double cut teeth provides clean, efficient material removal without sacrificing control.
With options for a 12" or 18" flex shank and multiple shank diameters, this burr adapts to your exact needs—giving you the precision and reach you’ve been missing on tricky jobs.
Key Features
1/4" diameter Tree Radius end shape for precise contouring
Double cut teeth for fast, smooth material removal
Flexible shank available in 3/16" x 12" or 1/4" x 12" with optional 18" length
Perfect for working in tight spaces and hard-to-reach casting areas
Durable tungsten carbide construction for long-lasting use
Reduces hand fatigue thanks to flexible shaft design
Compatible with most flex shaft rotary tools
Improves efficiency on detailed grind, carve, or deburr tasks
Available in various shapes and sizes to customize your toolkit
USA supplier ensuring quick delivery and great customer support
Specifications
Shape / Type: Tree Radius End (Tree)
Cut Type: Double Cut
Head Diameter: 1/4" (0.25 inches)
Shank Diameter: 3/16" or 1/4" options
Overall Length: 12" standard, option for 18"
Material Compatibility: Castings, metal, and woodworking
Brand / Manufacturer: Burrs4Less
Made In: USA
SKU / Part Number: SF-1 x 7" Flex Shaft Burr (special)
Frequently Asked Questions
Q: What materials can this burr be used on?
A: It's designed for castings, metals, and wood, delivering efficient shaping and smoothing.
Q: What shank sizes are available?
A: You can choose between a 3/16" or 1/4" shank diameter based on your tool compatibility.
Q: Can the flex shaft burr reach tight areas?
A: Absolutely, the flexible shank bends easily to access difficult spots standard burrs can’t.
Q: What's the difference between standard and double cut?
A: Double cut burrs provide a smoother finish with faster material removal than standard cuts.
Q: Is the 18" length option better than 12"?
A: The 18" offers deeper reach but may require more careful handling for stability.
Q: Will this burr fit all flex shaft rotary tools?
A: It fits most tools that accept 3/16" or 1/4" shanks but always check your tool specs.
Q: How do I maintain the flexible shank?
A: Regular cleaning and lubrication will keep the shaft smooth and durable over time.
Q: Can I use this burr for woodworking?
A: Yes! It's great for fine detailing and shaping wood along with metal.
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.