The SN-42 carbide burr from our N Series Inverted Cone lineup is a precision-designed tool built to tackle demanding metalworking jobs. With a compact 1/8 inch head diameter and a 3/16 inch length of cut, it's perfect for detailed work requiring both power and finesse.
Whether you’re shaping steel, brass, or cast iron, this tool is tailored for machinists, fabricators, and metal artists who value both control and high-quality results. Its availability in both standard and double-cut options means you can pick the exact style for your project needs.
With the SN-42 in your toolkit, expect rapid stock removal paired with smooth finishes that let your craftsmanship shine. Ready to upgrade your cutting tools? This burr is a sharp choice to help you elevate your metalwork precision and efficiency.
Key Features
Compact 1/8" head diameter ideal for detailed and precision work
3/16" cutting length ensures efficient material removal in tight spots
Available in Standard Cut for fast, aggressive stock removal
Double Cut option for ultra-smooth finishes and precise control
Right hand spiral flute design optimized for a variety of metals including cast iron, steel, copper, and brass
Double Cut combines right and left-hand flutes for a slight left-hand cutting action to reduce tool chatter
1/8" diameter shank fits most rotary tools and die grinders securely
1.5" overall length offers good balance of reach and stability
Durable carbide construction extends tool life even under heavy use
Manufactured to meet professional standards for consistency and performance
Specifications
Shape / Type: Inverted Cone
Cut Type: Standard Cut or Double Cut
Head Diameter: 1/8 inch
Shank Diameter: 1/8 inch
Length of Cut: 3/16 inch
Overall Length: 1-1/2 inches
Material Compatibility: Cast iron, steel, copper, brass
Brand / Manufacturer: Burrs4Less
Made In: USA
SKU / Part Number: 112-08032
Frequently Asked Questions
Q: What materials can the SN-42 burr be used on?
A: It’s designed for metals like cast iron, steel, copper, and brass alloys.
Q: What’s the difference between standard cut and double cut?
A: Standard cut is great for rapid stock removal, while double cut provides smoother finishes and better control.
Q: What size shank does the SN-42 use?
A: It features a 1/8 inch shank diameter compatible with most rotary tools.
Q: Can I use this burr for woodworking?
A: This model is optimized for metalworking; woodworking applications may shorten tool life.
Q: How to clean the burr after use?
A: You can use a wire brush or specialized cleaning stick to remove debris from the flutes.
Q: Is the SN-42 suitable for die grinders?
A: Yes, its 1/8 inch shank fits most standard die grinders and rotary tools.
Q: How long is the overall tool length?
A: The overall length is 1-1/2 inches.
Q: Can I switch between the burr types easily?
A: Yes, just swap out the burr and tighten the collet securely for each type.
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.
High Heat Resistance
Solid carbide construction maintains hardness even at high operating temperatures.
Maximum Durability
Solid piece construction ensures heat resistance and minimal breakage.
Affordable Pricing
Wholesale rates from USA manufacturer, high performance.
Industrial Heritage
Decades of experience supplying tools to the aerospace and automotive sectors.