SB-50 L3 Extended Shank Double Cut Cylindrical Burr 1/4"
Product Overview
Discover the SB-50 L3 Extended Shank Double Cut Cylindrical Burr, crafted for professionals who need precision and versatility. With a 1/4" head diameter and a 3" extended shank, it offers enhanced reach and control during detailed metalworking tasks.
This burr is perfect for metalworkers and fabricators dealing with cast iron, steel, copper, or brass alloys. The double cut design combines right and left-hand flutes delivering an impressively smooth finish while maintaining excellent control over your tool.
Whether you’re refining surfaces or removing stock quickly, this burr blends efficiency with finesse. Its extended shank means you can easily access tight spots, making it an essential in your toolbox for any project that demands accuracy and quality.
Key Features
- 1/4" head diameter providing precise and effective cutting size
- Extended 3" shank for better reach into difficult-to-access areas
- Double cut design with combined right and left-hand flutes for super smooth finishes
- Slight left-hand cutting action enhances control of burr and grinder
- Standard cut option available for general-purpose stock removal
- Ideal for use on a variety of metals including cast iron, steel, copper, and brass alloys
- Durable carbide construction ensures long-lasting performance
- Ergonomic design reduces operator fatigue for extended use
- Compatible with most handheld rotary grinders
- Precision manufactured for consistent and reliable results
Specifications
- Shape / Type: Cylindrical Burr
- Cut Type: Double Cut (Right and Left hand flutes combined)
- Head Diameter: 1/4" (0.25 inches)
- Length of Cut (End Cut): 3/16" (0.1875 inches)
- Shank Diameter: 1/8" (0.125 inches)
- Overall Length: 3 inches
- Material Compatibility: Cast iron, steel, copper, brass alloys
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 011-17032 XL
Expert Quality You Can Count On
The SB-50 L3 Extended Shank Double Cut Cylindrical Burr goes beyond just specs—it's designed with the professional’s workflow in mind. Its extended reach means fewer tool changes and greater work efficiency, especially in complex projects demanding precision in tight spots. Over time, this translates to less downtime and more consistent output quality, keeping your shop running smoothly without interruptions.
Trusted American Craftsmanship for Durable Performance
Manufactured in the USA, this burr reflects a tradition of quality and reliability Burrs4Less is proud to uphold. The high-grade carbide material combined with expert manufacturing ensures that each burr stands up to the rugged demands of metalworking day in and day out. This means reduced maintenance needs and dependable performance, saving you money and hassle while producing top-notch results every time.
Case Study: Real Business, Real Results
Chicago, IL based metal fabrication shop upgraded from standard burrs to this extended shank model for precision work in tight spaces.
"Since switching to the SB-50 L3, we've noticed a sharper, cleaner finish on all our custom steel components, and the extended shank allows us to reach spots we couldn’t before without switching tools."
Rachel Martinez – Shop Manager
Increased efficiency by 35% and reduced tool changes during production runs.
How the Double Cut Design Gives You Smoother Finishes with More Control
The double cut feature combines left and right hand flutes, which basically means it’s cutting in two directions simultaneously. Think of it like sanding with fine-grit sandpaper that smooths out rough edges faster without gouging the surface. This design also lightly pulls the burr into the material, giving you more control and less chatter compared to single cut burrs. If you’ve ever struggled with a tool that feels like it’s skating on ice, this burr gives you the opposite—a steady, balanced cut that feels like it’s working with you, not against you.
Installation and Maintenance Guide
Setting It Up
- Ensure your rotary grinder is powered off before installing the burr
- Insert the 1/8" shank fully into the collet and tighten securely
- Check that the burr spins freely without wobble before use
- Use safety equipment like gloves and eye protection during operation
- Test run at low speed to ensure stable installation
Keeping It Going
- Clean the burr regularly with a wire brush to remove metal buildup
- Avoid excessive pressure; let the burr do the work for longer life
- Store in a dry place to prevent corrosion or damage
- Inspect for wear or damage before each use and replace if needed
- Sharpen or replace the burr if cutting performance slows
Frequently Asked Questions
Q: What metals can I use this burr on?
This burr works great on cast iron, steel, copper, and brass alloys.
Q: What does double cut mean?
Double cut burrs have right and left hand flutes, giving smoother finishes and less chatter.
Q: Why use an extended shank?
Extended shanks give better reach for hard-to-access areas or deeper cuts.
Q: What size grinder collet fits this burr?
The 1/8" shank fits standard 1/8" collet grinders.
Q: Can I use this on aluminum?
While suitable for metals, aluminum may clog double cut burrs; choose cuts designed for softer metals.
Q: Is this burr suitable for handheld grinders?
Yes, it's designed to work well with most handheld rotary grinders.
Q: How do I maintain the burr for long life?
Keep it clean, avoid excessive pressure, and replace when dull.
Q: Can the burr handle high-speed applications?
Yes, but always follow your grinder’s maximum RPM specs for safety.
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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 let hard-to-reach areas slow you down. Grab your SB-50 L3 Extended Shank Double Cut Cylindrical Burr today and experience smoother finishes with unbeatable control. Your next project just got a whole lot easier!
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