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
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.
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 Carbide Burrs Direct?
Discover top reasons to pick our carbide burrs for your projects. Factory-direct quality at wholesale prices.
High Heat Resistance
Solid carbide construction maintains hardness even at high operating temperatures.
Maximum Durability
Solid piece construction ensures heat resistance and minimal breakage.
Affordable Pricing
Wholesale rates from USA manufacturer, high performance.
Industrial Heritage
Decades of experience supplying tools to the aerospace and automotive sectors.
