The SD-4 D Series Ball Shape carbide burr is designed for those who demand precision and efficiency in their cutting tools. Perfect for metalworking professionals and woodworkers alike, this burr handles detailed shaping with ease.
If you’re all about clean cuts and smooth finishes, you’ll appreciate the versatile cut options of this burr, available in both Standard Cut and Double Cut to suit different materials and applications.
With its 7/16-inch head diameter and robust 1/4-inch shank, this tool fits comfortably into your rotary tool arsenal, providing reliable performance that keeps your projects moving forward confidently.
Key Features
Ball shape head for precise contouring and rounding
Available in Standard Cut or Double Cut for versatile cutting options
7/16 inch head diameter suitable for detailed work
1/4 inch shank diameter fits most rotary tools easily
Compact 2 inch overall length for maneuverability in tight spaces
Durable carbide material for long-lasting use and sharpness
Ideal for metal, wood, and composite materials
Smooth finishes with minimal burr production
Designed for professional-grade applications
Easy to handle thanks to balanced design and size
Specifications
Shape / Type – Ball Shape (D Series)
Cut Type – Standard Cut or Double Cut
Head Diameter – 7/16 inch
Shank Diameter – 1/4 inch
Overall Length – 2 inches
Material Compatibility – Metal, Wood, Composites
Brand / Manufacturer – Burrs4Less
Made In – USA
SKU / Part Number – 103-30094
Frequently Asked Questions
Q: What materials can I use the SD-4 on?
This burr is compatible with metal, wood, and composite materials, making it quite versatile.
Q: How do I choose between Standard Cut and Double Cut?
Standard Cut is great for softer materials and faster stock removal; Double Cut is best when you want finer finishes on harder substances.
Q: Will the 1/4 inch shank fit my rotary tool?
Most rotary tools with a 1/4 inch collet will accept this burr, but please double-check your tool specs.
Q: How long is the overall length?
The burr measures 2 inches in total length, ideal for precise handling.
Q: Can I use this burr for engraving?
Yes, the ball shape is helpful for detailed engraving and contouring tasks.
Q: Is this product made in the USA?
Yes, the SD-4 is proudly manufactured in the USA.
Q: How do I maintain the burr?
Clean after use and avoid overheating; a small brush or compressed air works well for cleaning.
Q: Does the cut type affect burr durability?
Both cuts are durable, but the right choice depends on your application and material to maximize lifespan.
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.
