SM-42 L3 Extended Shank Carbide Burr SM-42 L3 1/8" Head
- Buy 5 for $5.90 each and save 10%
Product Overview
Meet the SM-42 L3 carbide burr with extended shank options—your go-to tool for detailed metal shaping and finishing. Perfect for professionals who need precision on tough materials, this burr offers both single and double cut varieties.
If you're working on cast iron, steel, copper, or brass alloys, this solid carbide burr is engineered to remove stock quickly while delivering a clean, smooth finish. Its 1/8" head diameter and 3" overall length make it versatile for tight spots and extended reach.
Whether you want rough removal or a polished edge, the SM-42 L3 combines durability with expert craftsmanship to handle your metalworking projects with ease. It’s not just a tool—it’s a reliable partner for your workshop.
Key Features
- 1/8" head diameter for precision work in tight spaces
- 3" overall length with extended shank for better reach
- Available in Single Cut for rapid stock removal
- Double Cut option provides super smooth finishes
- Right-hand spiral flute on Single Cut for aggressive cutting
- Double Cut combines right and left-hand flutes for better control
- Crafted from solid carbide for long-lasting performance
- Compatible with cast iron, steel, copper, and brass alloys
- Ideal for both grinding and shaping tasks
- Provides excellent surface finishes with less chatter
Specifications
- Shape / Type: M Series Taper Cone Shape
- Cut Type: Standard Cut (Single Cut) or Double Cut
- Head Diameter: 1/8"
- Shank Diameter: 1/8"
- Overall Length: 3"
- Flute Length: 1/2"
- Material Compatibility: Cast iron, steel, copper, brass alloys
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 007-09092 XL
Why Choose Burrs4Less SM-42 L3 for Extended Reach and Precision?
Investing in a burr like the SM-42 L3 with extended shank options means adding consistency and reliability to your metalworking toolkit. You’re not just buying a chuck-it-and-forget-it kind of tool; this burr has been built with precision and durability in mind, reducing downtime caused by frequent replacements. The extended shank allows access to hard-to-reach areas without sacrificing control, making your workflow smoother and less strenuous. Over time, this translates to lower maintenance costs and improved quality of finished workpieces.
The Burrs4Less Reputation: Quality and Innovation You Can Count On
Backed by years of expertise in carbide cutting tools, Burrs4Less has honed products like the SM-42 L3 to meet demanding industry standards. Their commitment to using premium solid carbide ensures longer tool life and better heat resistance compared to lesser competitors. Customers appreciate the rigorous quality testing and the real-world durability these burrs deliver day in and day out. Choosing Burrs4Less means you’re partnering with a brand recognized for innovation, performance, and a steadfast focus on customer satisfaction.
Case Study: Real Business, Real Results
Chicago, IL – A local metal fabrication shop upgraded their cutting tools for better precision.
"Using the SM-42 L3 with extended shank gave us remarkable control on tight weld joints. The dual cut burr’s smooth finish cut down on our post-processing time significantly."
Jessica Tran – Shop Manager
Increased job turnaround speed by 35%, boosting overall productivity.
How the Double Cut Feature Enhances Control and Finish
The double cut version of this carbide burr combines both right and left-hand spiral flutes. Imagine it like using both hands to steady a paintbrush—you get much finer control over your strokes. This leads to smoother surface finishes with less chatter and better handling of the tool, especially when working on delicate or detailed metal areas. It’s perfect for those moments when you want to go beyond rough shaping and get that professional-grade polish easily.
Installation and Maintenance Guide
Setting It Up
- Ensure your rotary tool or die grinder is powered off before installation.
- Check the shank diameter matches your tool collet size (1/8").
- Insert the burr fully into the collet for secure grip and stability.
- Tighten the collet nut firmly but don’t overtighten to avoid damaging the burr.
- Wear safety gear, including gloves and eye protection, before operation.
Keeping It Going
- Regularly clean the burr with a wire brush to remove metal shavings.
- Avoid applying excessive pressure during use to extend burr life.
- Inspect burr periodically for chips or excessive wear and replace if needed.
- Store in a dry place to prevent any corrosion despite carbide’s durability.
- Use proper RPM settings recommended for the material you are working on.
Frequently Asked Questions
Q: What materials can the SM-42 L3 burr be used on?
It’s suitable for cast iron, steel, copper, and brass alloys.
Q: What is the difference between Single Cut and Double Cut?
Single Cut has a right-hand spiral for faster stock removal, while Double Cut combines right and left-hand flutes for smoother finishes and better control.
Q: Will the extended shank fit in standard die grinders?
Yes, it has a 1/8" shank diameter which fits most common die grinders and rotary tools.
Q: Can this burr be used for both shaping and finishing?
Absolutely, Single Cut is great for shaping, and Double Cut excels at finishing.
Q: How long is the overall length?
The overall length is 3 inches, with a 1/2" flute length.
Q: Is this burr made in the USA?
Yes, it is proudly made in the USA.
Q: How do I clean the burr after use?
Use a wire brush to remove metal shavings and keep it free from buildup.
Q: Is this burr compatible with cordless rotary tools?
Yes, as long as the rotary tool accepts a 1/8" shank, it will work well.
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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 precision and control wait any longer—equip your workshop with the SM-42 L3 extended shank carbide burr today. Experience the difference a high-quality tool can make on your metalworking projects. Place your order now and take the first step toward smoother finishes and enhanced productivity.
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