Looking for a compact yet powerful carbide burr? The SB-81 fits the bill perfectly with its precise 3/16" head diameter, designed to tackle detailed tasks effortlessly. Ideal for metalworking and woodworking pros who need accuracy in tight spaces.
This miniature burr is not just about size; it offers versatility with its choice of standard cut or double cut for various applications. Whether you’re refining edges or shaping intricate details, it’s got your back.
With a 5/8" length of cut and overall length of 3/16" by 2", the SB-81 balances power and control in one durable tool you can count on day in and day out. Small tool, big results.
Key Features
Compact 3/16" head diameter for precision work
Choice between standard cut or double cut for versatility
End cutting design ideal for finishing and shaping edges
5/8" length of cut provides ample working surface
Overall length of 2" for comfortable handling and control
Manufactured from solid carbide for exceptional durability
Great for both metalworking and woodworking applications
Miniature burr size makes it perfect for tight, detailed areas
Compatible with most rotary tools using 3/16" shank diameter
Exceptional balance of power and finesse in one burr
Specifications
Shape / Type: SB-81 Miniature Burr
Cut Type: Standard Cut or Double Cut
Head Diameter: 3/16"
Length of Cut: 5/8"
Overall Length (OAL): 2"
Material Compatibility: Suitable for metal and wood
Cutting Style: End Cutting
Brand / Manufacturer: Burrs4Less
Made In: USA
SKU / Part Number: 101-12143-M
Frequently Asked Questions
Q: What materials can the SB-81 burr be used on?
The SB-81 is suitable for use on metals, hardwoods, softwoods, and certain plastics.
Q: Does this burr fit standard rotary tools?
Yes, it fits any rotary tool with a 3/16" chuck size.
Q: What is the difference between standard cut and double cut?
Standard cut removes material in a traditional pattern, while double cut offers a cross-cut pattern for smoother finishes.
Q: How do I maintain the sharpness of the burr?
Clean regularly with a wire brush and avoid overheating to maintain sharpness.
Q: Is the burr suitable for end cutting tasks?
Yes, the SB-81 features an end cutting design specifically for edge and surface finishing.
Q: What speeds work best for this tool?
Medium to high rotational speeds are recommended, depending on the material.
Q: Can it be used for precision jewelry work?
Absolutely, its miniature size makes it great for jewelry and intricate detail work.
Q: Will the burr withstand heavy industrial use?
Yes, made from solid carbide, it’s built to be durable even under frequent 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.
