SM-42 Series Taper Carbide Burr with Extended Shank 1/8"
- Buy 5 for $3.91 each and save 7%
- Buy 100 for $3.21 each and save 24%
Product Overview
Meet the SM-42 with Extended Shank Options—a versatile carbide burr designed to tackle a wide range of metwork and metal shaping jobs. Whether you’re grinding, deburring, or finishing, this tool has the muscle and precision to get it done.
If you work with metals like cast iron, steel, copper, or brass alloys, this burr is crafted just for you. It comes in two cut styles to suit your exact needs: Standard Cut for fast stock removal, or Double Cut for a finer, smoother finish.
Plus, if you’re planning a bigger project or need to stock up, there’s a sweet deal when you buy 100 or more—getting a top-notch burr at budget-friendly pricing. Ready to upgrade your toolkit?
Key Features
- Available in Standard Cut and Double Cut options for versatile cutting needs.
- Extended shank for better reach and control in tight or tricky spots.
- 1/8" head diameter with 7/16" length of cut gives precise and efficient material removal.
- Shank diameter of 1/8" x 1-1/2" fits most standard rotary tools and grinders.
- Standard Cut features a right-hand spiral flute ideal for rapid stock removal.
- Double Cut combines right and left-hand flutes for super smooth finishes.
- Compatible with a wide range of materials including cast iron, steel, copper, and brass alloys.
- Slight left-hand cutting action on double cut enhances burr and grinder control.
- Ideal for both professional metalworkers and hobbyists seeking quality results.
- Bulk purchase discount available for orders of 100 or more units.
Specifications
- Shape / Type: M Series Taper 10 to 31 Degree
- Cut Type: Standard Cut or Double Cut
- Head Diameter: 1/8 inch
- Length of Cut: 7/16 inch
- Shank Diameter: 1/8 inch x 1-1/2 inches
- Material Compatibility: Cast iron, steel, copper, brass alloys
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 107-08092
More Than Just a Burr: The Burrs4Less Reputation
Choosing the SM-42 with Extended Shank isn’t just about the specs—it’s about joining a community of professionals who rely on Burrs4Less for durable, precise tools day in and day out. These burrs are designed to minimize downtime with their long-lasting carbide construction, so you can count on fewer tool changes and smoother project flow. Plus, being made right here in the USA means stringent quality control and quick access to replacements or bulk orders when you need them.
Efficiency Meets Innovation for Long-Term Savings
This carbides burr’s design supports cost-effective production through reliable, consistent cutting performance. The extended shank gives you greater versatility in your projects, accessing spots that would otherwise be tough. This efficiency translates into saved labor time and less wasted material. On top of that, Burrs4Less continuously innovates with careful attention to environmental impact, using materials and processes that keep waste minimal—good for your business and the planet.
Case Study: Real Business, Real Results
Denver, Colorado metal fabrication shop upgraded their burrs to the SM-42 with Extended Shank to improve finishing speed.
"Switching to these burrs has made a noticeable difference in our workflow — smoother finishes and less tool wear, saving us time and money every day."
Lisa M. – Shop Manager
Output increased by 35% with improved finish quality and less frequent tool changes.
How Choosing the Right Cut Type Makes Your Workflow Smoother
Understanding the difference between Standard Cut and Double Cut burrs can be a total productivity booster. Think of the Standard Cut like a fast, no-fuss chef’s knife that quickly removes large chunks of material—it’s great when you need speed. On the other hand, Double Cut burrs are like your fine paring knives, offering a smoother, controlled finish with less vibration. The mix of right and left-hand flutes works together to tame the burr, making it easier to handle and reducing chatter while you work. Choosing the correct cut type for your project not only improves your finish but can save you effort and time in cleanup.
Installation and Maintenance Guide
Setting It Up
- Make sure your rotary tool or grinder is compatible with a 1/8" shank size.
- Securely tighten the chuck to avoid any wobble during operation.
- Check that the shank is fully inserted to ensure maximum stability.
- Wear proper safety gear like gloves and eye protection before use.
- Test on scrap material to confirm the cut type suits your needs.
Keeping It Going
- Clean the burr regularly to remove metal shavings and prevent clogging.
- Use a wire brush to gently clean the cutting surfaces without damaging them.
- Avoid applying excessive pressure to prolong burr life and maintain performance.
- Store in a dry place to prevent rust or corrosion.
- Inspect for any chips or wear before each use and replace as needed.
Frequently Asked Questions
Q: What materials can I use the SM-42 burr on?
It’s compatible with cast iron, steel, copper, and brass alloys for a wide range of metalworking tasks.
Q: How do I choose between Standard Cut and Double Cut?
Choose Standard Cut for rapid stock removal or Double Cut for smoother finishes and better control.
Q: Is the 1/8" shank diameter compatible with most rotary tools?
Yes, it fits standard rotary tool chucks and grinders designed for 1/8" shanks.
Q: What is the advantage of the extended shank?
The extended shank gives better reach into tight spots and improves control during detailed work.
Q: Does the double cut burr have a different cutting direction?
Yes, it features a slight left-hand cutting action combined with right-hand flutes to reduce chatter and improve control.
Q: Can I use the burr on non-metal materials?
While primarily designed for metals, it can be cautiously used on some hard plastics, but performance varies.
Q: How should I clean and maintain the burr?
Use a wire brush regularly to remove debris, avoid clogging, and store it in a dry place to prevent corrosion.
Q: Are bulk discounts available?
Yes, buying 100 pieces or more lowers the price per burr to $2.69 each while supplies last.
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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 give your tool kit an upgrade with the SM-42 with Extended Shank Options. Whether you need speed or precision, this burr delivers. Order today and take advantage of bulk pricing—your projects will thank you!
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