The SM-51 from our M Series is a tapered carbide burr designed with precision to tackle a variety of metalworking challenges. Whether you're shaping, deburring, or finishing, this burr gets the job done with ease.
Perfect for professionals working with cast iron, steel, copper, and brass alloys, it accommodates both single and double cut types to suit your specific cutting needs. Its 1/4 inch head diameter and 1/8 inch shank make it comfortable to handle and fit most rotary tools.
Built to provide rapid stock removal or super smooth finishes, the SM-51 is a versatile addition for your toolkit, promising both control and efficiency on the job.
Key Features
Available in Standard Cut (Single) or Double Cut options for different finish needs
Right-hand spiral flutes for single cut, combined right and left for double cut
1/4 inch head diameter ideal for precision work
Length of cut at 1/2 inch balances reach and control
1/8 inch diameter shank fits most rotary tools
Designed for rapid stock removal with single cut
Double cut provides excellent surface smoothness and burr control
Works on multiple materials – cast iron, steel, copper, and brass alloys
Compact and ergonomic for comfortable handling
Durable carbide construction for long tool life
Specifications
Shape / Type: M Series Taper 10 to 31 Degrees
Cut Type: Standard Cut (Single Cut) or Double Cut
Head Diameter: 1/4 inch
Shank Diameter: 1/8 inch
Overall Length (Length of Cut): 1/2 inch
Material Compatibility: Cast Iron, Steel, Copper, Brass Alloys
Brand / Manufacturer: Burrs4Less
Made In: USA
SKU / Part Number: 107-17112
Frequently Asked Questions
Q: Can I use the SM-51 on aluminum?
Yes, while it’s optimized for cast iron, steel, copper, and brass, you can use it on aluminum but ensure proper speed and feed to avoid clogging.
Q: What is the difference between single cut and double cut?
Single cut burrs have right-hand spiral flutes designed for rapid stock removal; double cut burrs combine right and left-hand flutes for smoother finishes and better burr control.
Q: Will this burr fit my rotary tool?
If your tool accepts a 1/8 inch shank, the SM-51 will fit comfortably.
Q: How do I know when the burr needs replacing?
If you notice decreased cutting efficiency, increased heat, or visible dullness and chipping, it’s time for a replacement.
Q: Can the SM-51 be used on hardened steel?
It can handle some hardened steels, but performance depends on the hardness. It’s best to test on a small area first.
Q: Is this burr suitable for woodworking?
It’s primarily designed for metal, but some woodworkers use carbide burrs for shaping hard woods cautiously.
Q: What RPM range should I use?
RPM depends on material and burr size; start slow and increase gradually but avoid excessive speed to prevent tool damage.
Q: Does the SM-51 provide a smooth finish on copper?
Yes, especially with the double cut configuration, it offers excellent surface smoothness on copper.
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.
