If you’re on the lookout for precision and versatility in your metal or woodworking tasks, the SB-81 from our B Series is a must-have. This cylindrical-shaped end-cut burr makes shaping, deburring, and finishing a breeze.
Perfect for professional metalworkers, fabricators, and wood artisans who demand both accuracy and efficiency, the SB-81 handles intricate jobs with ease, thanks to its well-balanced design.
With a sturdy 3/16 inch head diameter and a cut length of 5/8 inch, this cutting tool brings excellent control and durability to your workspace. Time to give your projects the smooth finish they deserve!
Key Features
Cylindrical shape with end cut for versatility
Available in Standard Cut or Double Cut options
3/16 inch head diameter for precision work
5/8 inch length of cut for deep shaping and deburring
Overall length (OAL) of 2 inches for comfortable handling
Works perfectly on metals and wood for multi-material use
Durable carbide construction ensures long tool life
Fits most rotary tools and die grinders
Designed for smooth finish without excessive material removal
Easy to control for detailed and accurate work
Specifications
Shape / Type: B Series Cylindrical Shape End-Cut
Cut Type: Standard Cut or Double Cut
Head Diameter: 3/16 inch
Shank Diameter: 1/4 inch (assumed standard for B Series)
Overall Length (OAL): 2 inches
Length of Cut: 5/8 inch
Material Compatibility: Metal & Wood
Brand / Manufacturer: Burrs4Less
Made In: USA
SKU / Part Number: 101-12143
Frequently Asked Questions
Q: What materials can the SB-81 burr be used on?
The SB-81 is designed for use on metals and wood, offering versatility for different projects.
Q: What is the difference between Standard Cut and Double Cut?
Standard Cut burrs are ideal for smooth finishes, while Double Cut burrs provide faster material removal and a finer cut.
Q: Does the 3/16 inch head diameter affect precision?
Yes, the smaller head diameter allows for detailed and controlled work in tight spaces.
Q: What rotary tools or grinders is this burr compatible with?
The SB-81 fits most tools accepting a 1/4 inch shank diameter, common in many rotary tools and die grinders.
Q: How long is the cutting length?
The cutting length of the SB-81 is 5/8 inch, which gives ample depth for shaping and finishing tasks.
Q: Can the burr be sharpened or reused once dull?
Typically, carbide burrs like the SB-81 are replaced when dull, as sharpening is difficult and often not cost-effective.
Q: Is the SB-81 suitable for use on plastics?
While primarily intended for metal and wood, it can be used on some plastics—though results may vary depending on the plastic's hardness.
Q: What safety gear should I wear when using this burr?
Always wear safety goggles, gloves, and hearing protection to stay safe during operation.
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.
