If you're tackling detailed metalwork or need precision at a high level, the SM-6 M Series Taper Burr with a sharp 31-degree angle is exactly what you want in your toolkit. Crafted for professionals who deal with tough materials like cast iron, steel, and copper alloys, this burr balances durability with precision.
This versatile carbide burr offers two cut types—single cut for rapid stock removal and double cut for silky smooth finishes. Whether you're shaping, deburring, or cleaning up welds, it’s built to deliver.
With a 5/8 inch head diameter and a comfortable 1/4 inch shank, it fits most rotary tools, making it a reliable companion for metalworkers and machinists alike. Ready to sharpen your workflow and surface finish? This burr has your back.
Key Features
31-degree taper shape offers excellent access for detailed work
Two cutting options: Standard single cut for aggressive material removal
Double cut option produces super smooth finishes for refined surfaces
Right hand spiral flute for efficient chip evacuation on single cuts
Combined left and right flutes on double cut ensure smooth operation and burr control
5/8 inch head diameter balances precision and coverage
1/4 inch shank diameter fits most rotary tools securely
Durable carbide material built for extended life on hard metals
Perfect for cast iron, steel, copper, brass, and various alloys
Made to minimize chatter and vibration during use
Specifications
Shape / Type: M Series Taper 31 Deg
Cut Type: Standard Cut or Double Cut
Head Diameter: 5/8 inch
Shank Diameter: 1/4 inch
Overall Length: 2 inches
Material Compatibility: Cast Iron, Steel, Copper, Brass, Alloys
Brand / Manufacturer: Burrs4Less M Series
Made In: USA
SKU / Part Number: 107-42204
Frequently Asked Questions
Q: What is the difference between single cut and double cut options?
Single cut is ideal for rapid material removal with a right-hand spiral, while double cut combines left and right cuts for smoother finishes.
Q: What metals can the SM-6 burr be used on?
It works great on cast iron, steel, copper, brass, and various alloys.
Q: Does the 1/4 inch shank fit standard rotary tools?
Yes, the SM-6’s shank is designed to fit most standard rotary tools and die grinders.
Q: How do I know which cut type to use for my project?
If you need fast stock removal, go with single cut; for surface smoothing and finer finishes, choose double cut.
Q: Can I use this burr for woodworking?
This specific model is optimized for metalworking but may work on certain hardwoods; however, results can vary.
Q: What maintenance does the SM-6 require?
Regular cleaning with a wire brush and storing in a dry environment will help maintain performance.
Q: What rpm speed is recommended?
Use a moderate speed suitable for the metal being worked on; slower speeds for harder metals, faster for softer ones.
Q: Is the product made in the USA?
Yes, the SM-6 burr is proudly manufactured in the USA.
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.