SM-3 Series Taper Cone Burr 10° Angle 1/4" Options for Extra Length
- Buy 12 for $7.97 each and save 16%
- Buy 50 for $6.90 each and save 28%
Product Overview
The SM-3 is a precision-engineered M Series Taper Cone Shape carbide burr designed with a 10-degree taper angle. This tool is ideal for professionals who demand accuracy and reliability in metal shaping and finishing tasks.
Whether you're working with cast iron, steel, or non-ferrous metals, the SM-3 offers a choice between Standard Cut or Double Cut to match your project needs. It's perfect for those looking to speed up stock removal without sacrificing surface quality.
With a head diameter of 1/4 inch and a compact length of cut at 1 inch, this burr balances maneuverability and performance. Plus, there's a handy 6-inch length option for extended reach. It's a go-to for metalworkers seeking precision and control.
Key Features
- 10-degree taper cone shape for precise contouring
- Available in Standard Cut and Double Cut options
- Standard Cut optimized for rapid stock removal
- Double Cut delivers smooth finishes with excellent control
- 1/4 inch head diameter ideal for detailed work
- 1/4 inch shank diameter fits most rotary tools
- Compact 1 inch cutting length for versatility
- Optional 6-inch length for hard-to-reach areas
- Compatible with cast iron, steel, copper, and brass alloys
- Right-hand spiral flute for efficient cutting action
Specifications
- Shape / Type – M Series Taper Cone Shape
- Cut Type – Standard Cut or Double Cut
- Head Diameter – 1/4 inch
- Shank Diameter – 1/4 inch
- Overall Length – 2 inches (standard), 6 inches (option)
- Material Compatibility – Cast iron, steel, copper, brass alloys
- Brand / Manufacturer – Burrs4Less
- Made In – USA
- SKU / Part Number – 107-17204
Trusted Precision with Burrs4Less
Choosing the SM-3 means investing in more than just a burr; it’s about long-term reliability and smooth operation. Burrs4Less is known across the U.S. for delivering tools that minimize downtime thanks to robust construction and consistent performance. These burrs undergo rigorous testing to ensure they hold sharpness and shape, reducing frequent replacements and costly interruptions. This reliability helps machinists and fabricators stay productive, saving both time and money over the life of the tool.
The innovation behind Burrs4Less tools like the SM-3 supports cleaner, safer workplaces. Their double cut burrs, for example, lessen vibration, which cuts down on user fatigue and boosts precision. Plus, the durability of their carbide material means the tool maintains quality even under daily use. All this combines to protect your investment and enhance work quality, making Burrs4Less a top choice for professionals who demand excellence.
Case Study: Real Business, Real Results
Based in Portland, Oregon, Precision Metalworks upgraded to the SM-3 for its high-performance stock removal and smoother finishes.
"Switching to the SM-3 gave our team better control and shaved hours off our finishing time each week. The tapered design made a noticeable difference in quality and consistency."
Linda Chavez – Shop Supervisor
Increased finishing efficiency by 35% with reduced rework.
How the Double Cut Option Enhances Your Work
The double cut burr combines right and left hand flutes that work together to create a finer finish. Think of it as using two combs moving in opposite directions to smooth out tangled hair—this approach gently evens out rough areas, leaving a cleaner, polished surface. It not only improves control but also reduces chatter and vibration, making it easier to handle the tool and achieve professional results every time.
Installation and Maintenance Guide
Setting It Up
- Ensure your rotary tool is powered off before installing the burr.
- Check that the shank diameter (1/4 inch) matches your tool’s collet size for a secure fit.
- Insert the burr firmly into the collet and tighten the chuck securely.
- Select the correct cut type (Standard or Double) for your project before starting.
- Wear proper safety gear like gloves and eye protection during setup.
Keeping It Going
- Clean the burr regularly to prevent metal buildup using a wire brush or abrasive cleaning stick.
- Avoid applying excessive pressure; let the burr do the work to prolong its life.
- Store in a protective case to prevent damage when not in use.
- Inspect the burr for any signs of wear or damage before each use.
- Replace the burr once surface quality deteriorates to maintain optimal performance.
Frequently Asked Questions
Q: What materials can the SM-3 burr be used on?
A: It’s compatible with cast iron, steel, copper, and brass alloys.
Q: What’s the difference between Standard Cut and Double Cut?
Standard Cut is for fast material removal, while Double Cut provides smoother finishes and better control.
Q: What is the shank diameter?
The shank diameter is 1/4 inch, fitting most common rotary tool collets.
Q: Can I use the 6-inch length option in a standard rotary tool?
Yes, as long as your tool can accommodate the 1/4 inch shank and the longer length.
Q: Is the SM-3 burr suitable for detailed work?
Absolutely, the 1/4 inch head diameter and taper shape make it great for precision tasks.
Q: How do I choose between single cut and double cut?
Choose Single Cut for rapid stock removal and Double Cut for finer finishes with less vibration.
Q: Does the burr come pre-sharpened?
Yes, the SM-3 is ready to use right out of the box.
Q: What is the overall length of the standard SM-3 burr?
It is 2 inches overall length, with a 1 inch cutting length.
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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 upgrade your tool kit—grab the SM-3 today and experience the smooth efficiency of Burrs4Less precision. Whether you’re tackling detailed projects or general metal shaping, this burr is ready to deliver the results you need right away.
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