SH-2 L6 Extended Shank Double Cut Flame Shape Carbide Burr 5/16 Head
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Product Overview
If you're looking to tackle detailed metalwork with precision, this SH-2 L6 Extended Shank Double Cut Flame Shape Carbide Burr is your new best friend. Featuring a 5/16" head and an extended 6-3/4" shank, it's tailored for professionals who need both reach and control in those hard-to-reach spots.
Designed primarily for metalworking experts, it's perfect whether you’re smoothing welds or shaping cast iron and brass. Its double cut flutes promise a super smooth finish that helps you get your project spot-on without wasting time.
With a slight left-hand cutting action, you get excellent control and a cleaner grind overall. Plus, if you work with non-ferrous metals, there's an Aluma-Cut variety available just for that. Ready to level up your tool arsenal?
Key Features
- Double cut flutes combine right and left hand spirals for a smoother finish
- Extended 6-3/4" shank for deeper reach in tight spaces
- 5/16" head diameter for precise shaping and grinding
- 1/4" shank diameter fits most grinder collets
- Slight left hand cutting action for enhanced tool control
- Designed for rapid stock removal with controlled cutting
- Ideal for use on cast iron, steel, copper, and brass alloys
- Also available in Aluma-Cut for non-ferrous metals
- Flame shape perfect for fine detail work and contouring
- Durable tungsten carbide construction ensures long life and wear resistance
Specifications
- Shape / Type – Flame Shape
- Cut Type – Double Cut (also available Single Cut, Aluma Cut)
- Head Diameter – 5/16" (0.3125")
- Shank Diameter – 1/4" (0.25")
- Overall Length – 6-3/4" (6.75")
- Length of Cut – 3/4" (0.75")
- Material Compatibility – Cast iron, steel, copper, brass alloys; Aluma-Cut option for non-ferrous metals
- Brand / Manufacturer – Burrs4Less
- Made In – USA
- SKU / Part Number – 009-21164 XL
Extended Reach, Exceptional Precision: The Burrs4Less Promise
When working on complex metal projects, detail and accuracy count more than ever. The extended shank design of this SH-2 L6 carbide burr not only gives you the reach to access intricate spots but also maintains tool stability and user comfort. Over time, this reduces operator fatigue and limits tool replacements, saving both labor and material costs. It’s a smart choice for shops that value consistent output without the hassle of frequent tool changes.
Backing this product is Burrs4Less’ long-standing reputation for delivering rugged, dependable carbide tools designed right here in the USA. Our commitment to quality means these burrs are made from premium tungsten carbide materials engineered to stand up to daily wear and tear, even in the busiest workshops. Your investment pays off through fewer interruptions and excellent surface finishes job after job, ensuring you keep your clients happy with superior craftsmanship.
Case Study: Real Business, Real Results
Brooklyn, NY metal fabrication shop upgraded to extended shank double cut burrs for intricate welding projects.
"Switching to the SH-2 L6 Extended Shank Double Cut burr greatly improved our finish quality and reduced the time spent on touch-ups. Handling tight corners with ease has boosted our confidence in delivering top-notch results."
Jessica Lee – Shop Manager
Increased efficiency by 35% while cutting rework time in half.
How Double Cut Flutes Make Your Work Smoother and Easier
Double cut burrs feature two sets of flutes – one spiraling right and one left – that intersect in the cutting area. Think of it like two combs interlocking. This design breaks up the metal chips better than a single cut, which results in a smoother surface finish and less vibration when cutting. That slight left-hand spiral gives you extra control, meaning less chance of the burr slipping or gouging your workpiece. It’s like having the stability of two hands where you’d normally use one.
Installation and Maintenance Guide
Setting It Up
- Ensure your grinder or rotary tool is unplugged before installing the burr.
- Check that the collet matches the 1/4" shank diameter for a secure fit.
- Slide the burr fully into the collet without leaving space for wobble.
- Tighten the collet nut firmly but avoid over-tightening which may damage the shank.
- Test-spin the tool slowly before running at full speed to confirm alignment.
Keeping It Going
- Clean burrs regularly with a wire brush to remove built-up material.
- Avoid excessive pressure to extend tool life and avoid overheating.
- Use appropriate cutting speeds as per material type to prevent premature wear.
- Store burrs in a dry place to prevent corrosion on carbide surfaces.
- Inspect burr tips routinely for chipping or dullness and replace if needed.
Frequently Asked Questions
Q: What materials is this carbide burr suitable for?
It works well on cast iron, steel, copper, and brass alloys. There's also an Aluma-Cut version specifically for non-ferrous metals.
Q: What is the difference between double cut and single cut burrs?
Double cut has intersecting right and left-hand flutes that provide a smoother finish, whereas single cut typically removes material faster but with a rougher texture.
Q: Does the extended shank affect the burr's stability?
While the longer shank offers more reach, its 1/4" diameter ensures a secure fit minimizing vibration when properly installed.
Q: Can this burr be used on aluminum?
Yes, but for the best results on aluminum or other non-ferrous metals, use the Aluma-Cut variant designed for that purpose.
Q: What grinder size do I need for this burr?
A grinder compatible with a 1/4" diameter shank is required to securely hold this burr.
Q: How long is the cut length on this burr?
The cut length is approximately 3/4" which allows for efficient material removal in detailed work.
Q: Is the slight left-hand cutting action difficult to use?
No, it actually provides better control and helps prevent the burr from grabbing aggressively.
Q: How do I clean carbide burrs?
Use a wire brush or carbide burr cleaner to remove metal buildup, which helps maintain cutting efficiency.
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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 tight spots and tough metals slow you down. Grab the SH-2 L6 Extended Shank Double Cut Flame Shape Carbide Burr today and experience precision and control like never before. Ready to elevate your workshop’s performance? Place your order now!
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