SF-42 L 3 Extended Shank Tree Shape Radius End Burr 1/8"
- Buy 5 for $5.90 each and save 10%
Product Overview
If you're looking for precision with a smooth finish, the SF-42 L 3 Extended Shank Tree Shape Radius End Burr is built to deliver. Designed for metalworking pros and craftspeople who demand accuracy, this burr balances cutting efficiency with control.
Perfect for working on tough metals like cast iron or steel, as well as copper and brass alloys, this burr comes with both single and double cut options to suit your project's needs. Its tree shape radius end is ideal for detailed contouring and surface work.
With an extended 3-inch shank and a compact 1/8" head diameter, it offers great reach and versatility—making tricky spots easier to access. Don’t let your work settle for less; this tool is crafted to keep your projects sharp and your finishes smooth.
Key Features
- Extended 3-inch shank for hard-to-reach areas
- Tree shape radius end designed for fine contouring
- Available in both standard (single) and double cut types
- Double cut combines right and left flutes for ultra-smooth finishes
- Single cut features right-hand spiral flute for aggressive material removal
- Compact 1/8" head diameter for precision work
- Compatible with metals including cast iron, steel, copper, and brass alloys
- Slight left-hand cutting action on double cut enhances control
- Durable carbide material ensures long tool life
- Perfect for metalworking professionals and hobbyists alike
Specifications
- Shape / Type: Tree Shape Radius End Burr
- Cut Type: Standard (Single Cut) or Double Cut
- Head Diameter: 1/8"
- Shank Diameter: 1/8"
- Overall Length: 3"
- Material Compatibility: Cast iron, steel, copper, brass alloys
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 006-08112 XL
Building Long-Term Value with Burrs4Less Extended Shank Burrs
Beyond just sharp cutting edges, the SF-42 L 3 Extended Shank Burr provides long-term business value by minimizing downtime. Its extended reach means you won’t need to switch tools or reposition your workpiece as often, helping your workflow stay smooth and efficient. Thanks to its durable carbide construction and double cut option that reduces rework, you end up saving on frequent replacements—keeping your maintenance costs and interruptions to a minimum. This reliability is a goldmine for busy workshops where efficiency matters more than ever.
Trust and Innovation from a USA-Based Leader
Burrs4Less has built a solid reputation by delivering precision tools made right here in the USA, combining cutting-edge manufacturing with real-world user feedback. The company is recognized in the metalworking community for innovation that focuses on making your work easier, safer, and more effective. Choosing one of their extended shank burrs means you’re investing in a tool that’s been tried, tested, and designed for lasting performance—giving you confidence every time you pick it up.
Case Study: Real Business, Real Results
Located in Cleveland, Ohio, IronEdge Fabrication upgraded their tooling for complex metal shaping tasks.
"Switching to the SF-42 L 3 Extended Shank Burr has made a noticeable difference in the smoothness and precision of our finishes. It’s easier to control, especially when working in tight spaces."
Mark Thompson – Lead Fabricator
Increased project turnaround speed by 35% while improving finish quality.
Why the Double Cut Shape Brings Smoother Finishes
The double cut version of this burr features right and left hand flutes working together, kind of like two hands gently sanding in opposite directions at the same time. This combo action cuts cleaner and smoother, reducing rough edges and leaving a nice polished surface without extra effort. Think of it as the difference between sanding wood with grit in one direction versus cross-sanding for that ultra-smooth finish. It’s especially handy when you’re aiming for precision with less rework.
Installation and Maintenance Guide
Setting It Up
- Ensure the rotary tool or grinder is unplugged before installing the burr.
- Select a collet or chuck that matches the 1/8" shank diameter for a secure fit.
- Insert the burr fully but avoid forcing it to prevent bending.
- Tighten the chuck evenly to keep the burr steady during use.
- Test run at low speed first to check for wobble or vibration.
Keeping It Going
- Clean burrs regularly to remove metal shavings and residue.
- Avoid overheating by using moderate speeds and applying only light pressure.
- Store burrs in protective cases to prevent damage between uses.
- Inspect cutting edges often; replace burrs once dull to maintain quality.
- Use appropriate safety gear to extend your tool’s lifespan and protect yourself.
Frequently Asked Questions
Q: What materials is this burr suitable for?
It works great on cast iron, steel, copper, and brass alloys.
Q: What’s the difference between single cut and double cut?
Single cut is for faster stock removal, while double cut offers smoother finishes and better control.
Q: What size is the shank and will it fit my tool?
The shank diameter is 1/8", compatible with most rotary tools that accept this size.
Q: How long is the shank?
This model has an extended 3-inch shank, ideal for reaching tricky or deep spots.
Q: Can this burr be used on wood or plastic?
It’s primarily designed for metalworking, but may work on some plastics with caution; not recommended for wood.
Q: What does the tree shape radius end do?
It allows for precise contouring and shaping on curved surfaces or edges.
Q: Does the double cut burr have any special cutting action?
Yes, it has a slight left-hand cutting action which improves control during use.
Q: How durable is the tool?
Made from high-quality carbide, it offers excellent durability even with tough materials.
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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
Ready to tackle those tough-to-reach spots and achieve flawless finishes? Grab the SF-42 L 3 Extended Shank Tree Shape Radius End Burr today and elevate your metalworking game with a tool built for precision and control. Don’t wait—your next project deserves the best.
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