Introducing the SK-81 from our renowned K Series Taper 90 Deg lineup, designed specifically for precision metalworking tasks. This tapered carbide burr features a 90-degree cone angle perfect for crafting beveled edges and countersinking holes with ease.
If you’re a professional fabricator, machinist, or metalworker looking for a reliable and versatile tool, this burr is a solid companion to ensure clean, sharp finishes and smooth transitions on your metal projects. Its compact size allows for detailed work without sacrificing control.
With multiple cut options—Standard Cut and Double Cut—to suit your specific material and project requirements, the SK-81 combines durability and performance in one tool. Whether refining edges or prepping surfaces, this burr helps you get the job done right the first time.
Key Features
90-Degree tapered cone shape ideal for beveled edges and countersunk holes
Choice between Standard Cut and Double Cut for versatile material removal
3/16" head diameter offers precision in small, detailed applications
5/32" length of cut for efficient surface finishing
3/16" diameter shank with 2" length ensures secure fit in most rotary tools
High-quality, durable carbide construction designed for long tool life
Compatible with a wide range of metals and materials including steel and aluminum
Balanced for smooth operation to reduce vibration and user fatigue
Perfect for professional metal fabricators, welders, and machinists
Made in the USA, guaranteeing consistent quality and support
Specifications
Shape / Type: Tapered 90 Degree Cone (K Burr)
Cut Type: Standard Cut or Double Cut
Head Diameter: 3/16" (0.1875")
Length of Cut: 5/32" (0.15625")
Shank Diameter: 3/16" (0.1875")
Shank Length: 2" (2 inches)
Material Compatibility: Suitable for steel, stainless steel, aluminum, and other metals
Brand / Manufacturer: Burrs4Less K Series
Made In: USA
SKU / Part Number: 110-12023
Frequently Asked Questions
Q: What materials is the SK-81 suitable for?
The SK-81 works well on steel, stainless steel, aluminum, and most other common metal materials.
Q: What's the difference between Standard Cut and Double Cut?
Standard Cut has single-layered cutting edges ideal for softer materials, while Double Cut has crisscrossing teeth designed for smoother finish and faster removal on harder metals.
Q: Can this burr fit most rotary tools?
Yes, the 3/16" shank diameter fits standard collets commonly found in rotary tools and die grinders.
Q: Is the 90-degree taper angle suitable for countersinking?
Absolutely, the 90-degree cone shape is optimized for creating clean beveled edges and countersunk holes.
Q: How long is the cutting portion of this burr?
The length of cut is 5/32", providing enough surface for effective material removal on edges and corners.
Q: Can I use the SK-81 on woodworking projects?
It is primarily designed for metals; for woodworking, we recommend burrs specifically shaped and cut for wood.
Q: How do I maintain the burr to extend its life?
Regular cleaning, avoiding overheating, and proper storage will keep your SK-81 performing at its best.
Q: Can the SK-81 burr be resharpened?
Typically, carbide burrs are replaced once dull due to the delicate nature of the cutting edges rather than being resharpened.
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.
