SF-3 L6 Extended Shank Double Cut Tree Shape Burr 3/8"
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Product Overview
Meet the SF-3 L6 Extended Shank Double Cut Tree Shape Burr, a versatile cutting tool designed for professionals who demand precision and smooth finishes in their metalworking projects. With its 3/8" head diameter and 6-3/4" extended shank, it offers both reach and control where you need it most.
This burr is perfect for metalworkers, fabricators, and machinists tackling cast iron, steel, copper, and brass alloys, especially when smooth contours and clean cuts are the goal. Its double cut design combines right and left hand flutes to minimize chatter and improve finish quality.
Engineered for extended use, this burr stands out with its balanced cutting action and durable construction, keeping your projects moving forward with confidence and ease. Ready to elevate your finishing game?
Key Features
- Extended 6-3/4" shank for reaching tight or deep spaces with ease.
- 3/8" head diameter optimized for detailed tree-shaped cutting.
- Double cut design featuring opposing right and left hand flutes for a super smooth finish.
- Slight left hand cutting action offers superior control during use.
- Constructed to reduce chatter and vibration, improving precision.
- Compatible with a wide range of metals including cast iron, steel, copper, and brass.
- Available in Alum-Cut variant designed for non-ferrous and non-metallic materials, minimizing chip loading.
- Durable carbide construction prolongs tool life in demanding applications.
- Ideal for use in die grinders and rotary tools for versatile metal shaping and finishing.
Specifications
- Shape / Type: Tree Shape Burr (Radius End)
- Cut Type: Double Cut (Right and Left Hand Flutes)
- Head Diameter: 3/8 inch (0.375")
- Shank Diameter: 1/4 inch (0.25")
- Overall Length: 6-3/4 inches (6.75")
- Length of Cut: 3/4 inch (0.75")
- Material Compatibility: Cast iron, steel, copper, brass alloys (also Alum-Cut variant for non-ferrous metals)
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 006-26164 XL
Built For Precision and Longevity
Beyond its technical specifications, this Extended Shank Tree Shape Burr is engineered for long-lasting performance and consistent results that save you time and frustration. Its robust carbide construction reduces the need for frequent replacements, keeping your downtime to a minimum and your workload steady. The extended shank length is a thoughtful design that allows artisans and pros to reach deeper or more complicated areas without losing control or precision.
Why Professionals Trust Burrs4Less
Burrs4Less has earned a reputation for delivering tools that blend quality, innovation, and value. Our burrs are crafted right here in the USA, ensuring adherence to high manufacturing standards. when you choose our SF-3 L6 burr, you're not just getting a cutting tool – you're investing in a product backed by comprehensive industry knowledge and tested real-world durability. That means fewer interruptions, better compliance with job specs, and ultimately, stronger business performance.
Case Study: Real Business, Real Results
Detroit, Michigan – A machine shop sought a burr that could deliver finer finishes while speeding up their deburring process.
“Switching to the SF-3 L6 extended shank burr gave us smoother edges on each batch and better control during intricate cuts. It saved us time and improved product quality across the board.”
Eric Johnson – Lead Machinist
Outcome: Increased production efficiency by 30% while reducing rework.
Why Double Cut Design Makes a Difference
The double cut burr has both right and left hand flutes intertwined, which means it cuts in two directions simultaneously. Imagine stirring a thick batter with two spoons moving in opposite ways – the mixing is smooth and thorough. Similarly, this cutting action reduces vibration and helps clear chips faster, resulting in a smoother surface and less tool chatter. For anyone working on detailed metal surfaces, this means cleaner work with less effort.
Installation and Maintenance Guide
Setting It Up
- Ensure your rotary tool or die grinder is powered off before attaching the burr.
- Check that the chuck or collet size matches the 1/4" shank diameter for a secure fit.
- Insert the burr fully into the tool’s collet and tighten firmly but avoid over-tightening to prevent damage.
- Wear safety glasses and gloves to protect yourself during use.
- Test the burr at a low speed on scrap material before working on your actual piece.
Keeping It Going
- Clean the burr regularly with a wire brush to remove metal buildup and chips.
- Store the burr in a protective case or holder to prevent damage between uses.
- Inspect for wear or dullness; replace if cutting performance drops sharply.
- Avoid using excessive pressure during cutting – let the burr do the work.
- Use proper lubrication or coolant when working on heat-sensitive metals to extend burr life.
Frequently Asked Questions
Q: What materials is the SF-3 L6 burr suitable for?
A: It works well on cast iron, steel, copper, and brass alloys. For aluminum and non-ferrous metals, choose the Alum-Cut version.
Q: What does 'double cut' mean?
A: It means the burr has overlapping right and left hand flutes to provide smoother cuts and less vibration.
Q: What size shank does this burr have?
A: The shank diameter is 1/4 inch, compatible with most standard die grinders and rotary tools.
Q: How long is the overall burr?
A: The total length is 6-3/4 inches, including the extended shank.
Q: Can I use this burr on wood?
A: This particular burr is designed specifically for metalworking and may not perform well on wood.
Q: What is the cutting head shape?
A: It is a tree shape with a radius end, ideal for contouring and detail work.
Q: Is the burr coated or treated?
A: The burr is made from solid carbide without coatings, ensuring durability and sharpness.
Q: Does the burr provide smooth finishing?
A: Yes, especially the double cut version, which is designed for excellent finish quality.
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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 let rough finishes slow you down—grab your SF-3 L6 Extended Shank Double Cut Tree Shape Burr today and experience precision and control like never before. Stock is ready and waiting, so get back to perfecting your craft with confidence.
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