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SN-61 Series Inverted Cone Carbide Burr 3/32"
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Buy 2 for
$6.59
each and save 31%
Product Overview
The SN-61 is a precision-engineered inverted cone carbide burr designed specifically for metalworking pros who demand quality and reliability.
If you're tackling cast iron, steel, copper, or brass alloys, this tool fits right into your workflow, thanks to its versatile cut type options.
With its compact 3/32 inch head diameter and a 1-1/2 inch shank, you’ll enjoy nimble control and rapid stock removal every time you fire it up.
Key Features
- Available in Standard Cut and Double Cut for versatile applications
- 3/32 inch head diameter for detailed work
- 1/8 inch length of cut ensures precision
- 3/32 inch shank diameter for compatibility with most rotary tools
- Right-hand spiral flute for aggressive, efficient stock removal (single cut)
- Combination of right and left-hand flutes for ultra-smooth finishes (double cut)
- Designed for use on cast iron, steel, copper, and brass alloys
- Superb control with a slight left-hand cutting action on double cut versions
- Durable carbide material resists wear and tear
- Compact size allows access to tight spots and detailed shaping
Specifications
- Shape / Type: N Series Inverted Cone
- Cut Type: Standard Cut or Double Cut
- Head Diameter: 3/32 inch
- Shank Diameter: 3/32 inch
- Overall Length (Length of Cut): 1/8 inch
- Material Compatibility: Cast Iron, Steel, Copper, Brass Alloys
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: 112-05011
Frequently Asked Questions
Q: Can the SN-61 be used on stainless steel?
Yes, while primarily for cast iron and common metals, it handles stainless steel well with the right RPM and cooling.
Q: What's the difference between Standard and Double Cut?
Standard Cut has a right-hand spiral flute for fast cutting; Double Cut combines right and left flutes for smoother finishes.
Q: Will the 3/32 inch shank fit my Dremel tool?
Most Dremel tools accept 1/8 inch shanks, but 3/32 inch may fit with the right collet adapter.
Q: How do I avoid overheating the burr?
Use proper RPM, avoid excessive pressure, and use coolant when working on metals.
Q: Is the SN-61 suitable for woodworking?
It’s designed for metal, but some professionals use it for detail work on hardwoods carefully.
Q: How long does this burr typically last?
Carbide burrs like the SN-61 can last for months with proper use and maintenance.
Q: Can I sharpen the SN-61 myself?
Sharpening carbide burrs requires special tools and skill; usually it's better to replace for best results.
Q: What speed range is recommended?
20,000 to 30,000 RPM gives optimal performance for this burr.
Q: Does the burr work on aluminum?
Yes, but be cautious to prevent clogging and use the right coolant.
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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 Carbide Burrs Direct?
Discover top reasons to pick our carbide burrs for your projects. Factory-direct quality at wholesale prices.
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High Heat Resistance
Solid carbide construction maintains hardness even at high operating temperatures.
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Maximum Durability
Solid piece construction ensures heat resistance and minimal breakage.
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Affordable Pricing
Wholesale rates from USA manufacturer, high performance.
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Industrial Heritage
Decades of experience supplying tools to the aerospace and automotive sectors.