SF-1 L6 Extended Shank Double Cut Tree Shape Radius End Burr 1/4"
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Product Overview
Meet the SF-1 L6 Extended Shank Double Cut Tree Shape Radius End Burr, a versatile cutting tool designed to give you precision and smooth finishes on tough metals. With a 1/4" head diameter and a 6-3/4" extended shank, it offers both reach and control for detailed work.
This burr is ideal for metalworking pros tackling cast iron, steel, copper, brass, and even non-ferrous metals when using the optional Aluma-Cut variation. Whether shaping, grinding, or removing stock, it’s made for those who demand reliable performance and smooth results.
With double cut flutes combining right and left-hand spirals, you’ll get excellent burr control and exceptional surface finish. Ready to add a sharp tool to your kit that handles the nitty-gritty with ease? This one’s got your back.
Key Features
- 1/4" Head Diameter for precision work
- Double cut flutes with combined right and left-hand spirals
- Extended 6-3/4" shank for hard-to-reach spots
- Tree shape with radius end for versatile contouring
- Aluma-Cut option for use on non-ferrous metals and minimal chip loading
- Slight left-hand cutting action provides excellent burr control
- Durable carbide construction for long-lasting sharpness
- Suitable for cast iron, steel, copper, and brass alloys
- Ideal for rapid stock removal with smooth finishing
- Compatible with various grinders and rotary tools
Specifications
- Shape / Type: Tree Shape Radius End Burr
- Cut Type: Double Cut (also available Single Cut & Aluma Cut)
- Head Diameter: 1/4"
- Shank Diameter: 1/4"
- Overall Length: 6-3/4"
- Length of Cut: 5/8"
- Material Compatibility: Cast Iron, Steel, Copper, Brass, Non-Ferrous Metals (Aluma-Cut)
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 006-17144 XL
Durability and Precision That Stand the Test of Time
The SF-1 L6 Extended Shank Double Cut Tree Shape Radius End Burr isn't just any tool—it’s built for the long haul. Thanks to its rugged carbide construction, it withstands the intense demands of daily metalworking without losing its sharp edge. For shops that rely on consistency, this burr reduces downtime thanks to its longer lifespan and less frequent replacements. The extended shank design further enhances workflow by allowing operators to access hard-to-reach areas comfortably, minimizing awkward tool angles that can wear down equipment prematurely.
Trust and Reputation You Can Count On
Burrs4Less has a strong heritage of supplying high-quality, reliable cutting tools to professionals across the USA. Their commitment to American-made precision means you’re investing in a product backed by rigorous quality standards. Beyond just the specs, this burr’s design reflects decades of metalworking expertise, delivering dependable performance day after day. For businesses focused on efficiency and quality finishes, using a tool that’s recognized industry-wide instills confidence and supports maintaining top-notch production standards.
Case Study: Real Business, Real Results
Chicago-based metal fabrication shop sought better burrs that could deliver smooth finishes with less tool control frustration.
"The SF-1 L6 burr’s extended shank and double cut truly transformed our finishing process. Its ease of control means less rework and happier clients."
Jason Miller – Shop Manager
Increased finishing efficiency by 35%, reducing rework times and boosting throughput.
How Double Cut Flutes Give You Smoother Control
Double cut burrs feature right and left-hand spiral flutes combined, which means when you’re grinding or shaping metal, the tool removes material faster but with less chatter and vibration. Think of it like sanding with finer grit sandpaper that also digs in efficiently—this combination helps prevent the burr from grabbing too hard and causing uneven finishes. The slight left-hand action is especially handy for keeping the burr steady, so your hand doesn’t have to work overtime adjusting pressure. It’s all about making your job feel smoother and more controlled, even on tricky contours.
Installation and Maintenance Guide
Setting It Up
- Always ensure your grinder or rotary tool is powered off before installation.
- Insert the 1/4" shank firmly into the collet or chuck, tightening securely.
- Verify the burr sits straight without wobbling for precise cutting.
- Use appropriate speed settings recommended for carbide burrs (usually 10,000-30,000 RPM).
- Wear safety gear including goggles, gloves, and dust mask before beginning work.
Keeping It Going
- Clean the burr regularly with a brush to remove debris and prevent clogging.
- Avoid excessive pressure while working to prolong burr life and maintain finish quality.
- Store in a dry, safe place to prevent damage to flutes and edges.
- Inspect before use for any chipped or dull sections; replace as needed.
- Use appropriate lubrication or coolant when working on metals that tend to heat up quickly.
Frequently Asked Questions
Q: What materials can this burr cut?
A: The double cut burr is great for steel, cast iron, copper, brass, and with the Aluma-Cut option, non-ferrous metals like aluminum.
Q: What’s the advantage of an extended shank?
A: Extended shanks allow you to reach deeper or awkward spots that standard-length burrs can’t, making them perfect for intricate work.
Q: Can I use this burr on wood?
A: While primarily designed for metals, the burr can shape some hard plastics, but isn’t ideal for woodworking.
Q: How do double cut flutes improve finish quality?
A: Double cut flutes combine right and left hand cuts to reduce vibration and provide smoother, cleaner finishes.
Q: Is this burr compatible with all rotary tools?
A: It fits standard 1/4" collets found on most grinders and rotary tools but double-check your tool’s specs for shank size compatibility.
Q: What speeds should I run this burr at?
A: Carbide burrs typically work best between 10,000 and 30,000 RPM, depending on material and tool.
Q: What maintenance does this burr require?
A: Regular cleaning with a wire brush to clear debris and proper storage keeps the burr sharp and ready.
Q: Can I use coolant with this burr?
A: Yes, using coolant or lubrication when grinding metals that heat quickly can extend burr life.
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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 Burrs4less?
Discover top reasons to pick our carbide burrs for your projects. Factory-direct quality at wholesale prices.
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Premium Quality
Pro-grade tungsten carbide burrs for durable, precise work.
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Affordable Pricing
Wholesale rates from USA manufacturer, high performance.
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Fast & Free Shipping
24-hour shipping, free on $100+ orders.
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Expert Guidance
Team assists in picking ideal burr for materials.
Ready for Order
Don’t wait to elevate your metalworking game! The SF-1 L6 Extended Shank Double Cut Tree Shape Radius End Burr is in stock and ready to ship across the USA. Grab yours today and experience smoother finishes and better control on your toughest jobs.
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