SK-81 Series Taper 90 Degree Carbide Burr 3/16"
Product Overview
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
Why Trades Trust the SK-81 for Precision Metalworking
Beyond the technical specs, the SK-81 offers long-term value by reducing the need for frequent burr replacements thanks to its durable carbide construction. This means less downtime and lower overall tooling costs for businesses focused on minimizing interruptions and maximizing productivity. when your tools hold up under continuous use, you spend more time focusing on quality finishes rather than tool maintenance.
With Burrs4Less's commitment to quality, the SK-81 benefits from decades of industry knowledge and manufacturing excellence. Made in the USA, the burr meets strict standards that many professionals rely on for precision and consistency. This attention to quality ensures that each burr performs reliably across a wide range of metalworking applications, supporting smooth jobs from prototype to production.
Case Study: Real Business, Real Results
Detroit, Michigan – A manufacturing shop upgraded to the SK-81 for finishing work on automotive components.
"Switching to the SK-81 burr gave us the precision edge we needed. The 90-degree taper made creating clean countersunk holes much simpler and faster, improving our overall workflow."
Marcus D. – Production Manager
Boosted throughput by 35% while maintaining exacting quality standards.
How the 90-Degree Taper Enhances Your Metalworking Projects
The SK-81's tapered cone shape, angled precisely at 90 degrees, is designed to help you easily shape beveled edges and countersunk holes. Think of it like sanding a corner perfectly but with much more control and precision. This taper makes it simple to create smooth, angled cuts without the guesswork—perfect for tasks where you need convincing fit and finish, like prepping holes for flush screws or refining metal parts that will be welded or assembled.
Installation and Maintenance Guide
Setting It Up
- Choose a rotary tool compatible with a 3/16" shank size.
- Ensure the tool is powered off before inserting the burr.
- Securely tighten the chuck to prevent slippage during use.
- Test spin at low speed to check balance before starting your project.
- Wear proper safety gear including gloves and eye protection.
Keeping It Going
- Clean the burr regularly to remove metal shavings and debris.
- Avoid overheating by using moderate speeds and short bursts.
- Store in a protective case to prevent damage to the cutting edges.
- Inspect for dullness or chipping and replace when necessary.
- Lubricate the tool spindle occasionally to maintain smooth operation.
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.
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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 Burrs4less?
Discover top reasons to pick our carbide burrs for your projects. Factory-direct quality at wholesale prices.
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Premium Quality
Pro-grade tungsten carbide burrs for durable, precise work.
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Affordable Pricing
Wholesale rates from USA manufacturer, high performance.
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Fast & Free Shipping
24-hour shipping, free on $100+ orders.
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Expert Guidance
Team assists in picking ideal burr for materials.
Ready for Order
Ready to tackle your next metalworking project with precision? The SK-81 is stocked and ready to ship from our USA warehouse, ensuring you get the reliable performance you need, fast. Add it to your toolkit today and experience the difference quality makes!
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