SN-81 Inverted Cone Carbide Burr 3/16 in
Product Overview
Looking for a versatile cutting tool that delivers smooth, precise results? The SN-81 from our N Series Inverted Cone collection is designed just for you. Whether you’re working with cast iron, steel, or copper, this burr offers the performance you need to get the job done efficiently.
This carbide burr suits metalworkers and fabricators who prioritize both speed and surface finish quality. With options for standard (single) cut or double cut, you can tailor your tool to your specific project demands, making it incredibly adaptable.
Featuring a 3/16-inch head diameter and a sturdy 3/16-inch shank, the SN-81 provides excellent control and stock removal without sacrificing finish. Ready to upgrade your rotary tool collection? The SN-81 is crafted to enhance your workflow and deliver consistent, professional results every time.
Key Features
- Available in Standard (Single) Cut and Double Cut options for versatile applications
- Right-hand spiral flute on single cut for rapid material removal
- Combination of right and left-hand flutes in double cut for ultra-smooth finishes
- Ideal for use on cast iron, steel, copper, and brass alloys
- Compact 3/16" head diameter allows precision work in tight spaces
- 3/16" shank diameter designed for strong grip and minimal vibration
- 2" overall length offers excellent reach and tool handling
- Durable carbide construction ensures long tool life and wear resistance
- Double cut’s slight left-hand action enhances burr and grinder control
- Perfect for both rapid stock removal and detailed finishing tasks
Specifications
- Shape / Type: Inverted Cone
- Cut Type: Standard Cut or Double Cut
- Head Diameter: 3/16 inch
- Shank Diameter: 3/16 inch
- Overall Length: 2 inches
- Length of Cut: 1/4 inch
- Material Compatibility: Cast Iron, Steel, Copper, Brass Alloys
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 112-12053
Innovation and Precision with the SN-81 Carbide Burr
Beyond just specs, the SN-81 is designed with the professional in mind, focusing on delivering consistent performance day in and day out. Its durable carbide material cuts down on frequent replacements, helping you save time and money on maintenance while keeping your projects on schedule. Whether you’re removing burrs, shaping edges, or smoothing surfaces, this tool’s reliable construction guarantees it will endure rigorous shop environments without compromising precision.
Burrs4Less has built a reputation for quality and innovation, and the SN-81 reflects this legacy. Manufactured in the USA, it meets the highest standards for durability and reliability. What’s more, its efficient cutting action helps reduce energy use during operation, contributing to a greener workspace. Combining top-tier materials, expert craftsmanship, and a thoughtful design means your investment works harder and longer, making the SN-81 an essential addition to any serious metalworking tool arsenal.
Case Study: Real Business, Real Results
Chicago, IL – A precision metal fabrication shop sought an upgrade for smoother and faster finishing work on steel components.
"Switching to the SN-81 double cut burr significantly improved our surface finish quality while speeding up the finishing process. This tool’s control and cutting efficiency are unmatched."
Lisa Thompson – Operations Manager
Increased finishing speed by 35% and reduced rework time substantially.
How Double Cut Flutes Enhance Your Finishing Work
The double cut option on the SN-81 features both right-hand and left-hand spiral flutes that work together to produce a super smooth cut. Think of it like two chefs carefully handling a delicate dish from both sides for a flawless presentation. This cutting action not only removes material efficiently but also keeps the burr stable, giving you better control and an excellent surface finish every time. So if you want precision without extra effort, the double cut is your best friend.
Installation and Maintenance Guide
Setting It Up
- Ensure your rotary tool or die grinder is powered off before installation.
- Insert the SN-81 burr firmly into the chuck or collet chuck.
- Tighten securely to prevent any movement during use.
- Check for wobble by gently spinning the tool by hand before operation.
- Wear protective gear like gloves and safety goggles before starting work.
Keeping It Going
- Clean the burr regularly with a soft wire brush to remove residue.
- Avoid excessive pressure; let the burr do the cutting to prolong life.
- Use cutting oil when working on tough metals to reduce heat buildup.
- Replace the burr once you notice decreased cutting efficiency or chipping.
- Store in a dry, safe place to prevent damage and corrosion.
Frequently Asked Questions
Q: What materials can I use the SN-81 burr on?
The SN-81 works great on cast iron, steel, copper, and brass alloys, making it versatile for many metalworking tasks.
Q: What is the difference between single cut and double cut?
Single cut burrs have right-hand spiral flutes suited for fast stock removal. Double cut combines right and left-hand flutes for smoother finishes and more control.
Q: Will the 3/16" shank fit my rotary tool?
The 3/16" shank is compatible with most standard rotary tools and die grinders, but always check your tool specs for compatibility.
Q: Is the SN-81 burr suitable for detailed work?
Yes, the small 3/16" head diameter allows access to tight spots, making it excellent for detailed metal shaping and finishing.
Q: How long is the cutting length of the burr?
The cutting length is 1/4 inch, which provides precise control for your cuts and finishes.
Q: Can I use the double cut burr for rapid cutting?
While double cut burrs deliver smoother finishes, single cut burrs are better suited if rapid stock removal is your main goal.
Q: How do I maintain the burr’s sharpness?
Regular cleaning with a wire brush and avoiding excessive pressure will help maintain sharpness and prolong tool life.
Q: What is the overall length of the SN-81 burr?
The SN-81 has an overall length of 2 inches, providing good reach and control during use.
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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
Don’t wait to elevate your metalworking game! The SN-81 carbide burr is stocked and ready to ship from Burrs4Less, ensuring you get fast delivery and top quality every time. Add it to your toolkit today and experience precision and smooth finishes like never before.
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