If precision and reliability top your list of priorities, the SA-4 Carbide Burr is a stellar choice that fits right into your toolkit. Crafted for metalworking and woodworking pros, this tool handles everything from shaping to deburring with finesse.
This cylindrical-shaped burr, part of the trusted A Series, offers dual cut options—standard and double cut—giving you the versatility to tackle a broad range of jobs efficiently. Its 7/16-inch head diameter and 1-inch cut length make it ideal for detailed work without sacrificing control.
Designed with a sturdy 1/4-inch shank and a convenient 2-inch overall length, the SA-4 is built to fit comfortably into your rotary tools. It's the go-to burr when you want the job done cleanly, quickly, and accurately every time.
Key Features
7/16-inch head diameter for precise shaping and grinding
1-inch length of cut allows for effective material removal
1/4-inch shank diameter fits most rotary tools for easy compatibility
Available in both standard cut and double cut for versatile application
Cylindrical shape designed for smooth contouring and flat surface work
Durable carbide construction resists wear and retains sharpness
Compact 2-inch overall length for enhanced maneuverability
Ideal for metalworking, woodworking, and other fabrication tasks
Efficient chip clearance reduces clogging during use
Precision balanced for smooth, vibration-free operation
Specifications
Shape / Type: Cylindrical
Cut Type: Standard Cut or Double Cut
Head Diameter: 7/16 inch
Shank Diameter: 1/4 inch (0.25 inch)
Overall Length: 2 inches
Length of Cut: 1 inch
Material Compatibility: Metalworking, Woodworking
Brand / Manufacturer: Burrs4Less A Series
Made In: USA
SKU / Part Number: 001-30204
Frequently Asked Questions
Q: What materials can the SA-4 burr be used on?
It’s designed for metalworking and woodworking applications, handling a wide range of metals and woods smoothly.
Q: What is the difference between standard cut and double cut?
Standard cut offers a smoother finish with slower material removal, while double cut is more aggressive and reduces clogging with smaller chip formation.
Q: Will the 1/4-inch shank fit my rotary tool?
Most rotary tools and die grinders support a 1/4-inch shank, but it’s best to check your tool’s collet size to be sure.
Q: How long is the cutting area?
The length of cut is 1 inch, providing ample surface for efficient material removal.
Q: Is this burr suitable for detailed work?
Yes, its size and shape make it great for both detailed shaping and smoothing flat surfaces.
Q: What maintenance does the SA-4 require?
Regular cleaning with a wire brush and proper storage helps maintain sharpness and prolong lifespan.
Q: Can I use this burr on plastics?
While designed primarily for metal and wood, it can be used on some plastics, but test on scrap material first.
Q: Is the SA-4 burr balanced to reduce vibration?
Yes, it is precision balanced to ensure smooth operation during use.
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.