If you're into precision metalwork, the SJ-7 J Series Taper 60 Deg burr might just be your new best friend. This tungsten carbide burr is designed to shape and smooth beveled edges and countersunk holes with ease.
Crafters and metalworkers who need both speed and finesse will appreciate the choice between standard and double-cut options. Whether you're working with steel, cast iron, or copper alloys, this tool covers a wide range of materials confidently.
Crafted with a 3/4 inch head diameter and a 5/8 inch cutting length, plus a handy 1/4 inch shank, it's built for compatibility and comfort. Get ready to trim, shape, and polish your projects with reliability and precision every time!
Key Features
60-degree tapered cone shape perfect for beveled edges and countersunk holes
Available in both standard cut (single spiral flute) and double cut (right and left hand flutes)
Standard cut excels in rapid stock removal and smooth finishes on metal alloys
Double cut provides a super-smooth surface and excellent control due to slight left hand cutting action
Made with durable tungsten carbide for long-lasting sharpness and heat resistance
3/4 inch head diameter and 5/8 inch cutting length fit a variety of grinder tools
1/4 inch shank diameter designed for secure and stable fitting in rotary tools
Versatile use on cast iron, steel, copper, and brass alloys
Compact 2 inch overall length balances precision and handling comfort
Manufactured with consistent quality to ensure reliable performance every time
Specifications
Shape / Type: Taper J Burr (60 Degree Cone)
Cut Type: Standard Cut or Double Cut
Head Diameter: 3/4 inch
Shank Diameter: 1/4 inch
Overall Length: 2 inches
Length of Cut: 5/8 inch
Material Compatibility: Cast iron, steel, copper, brass alloys
Brand / Manufacturer: Burrs4Less
Made In: USA
SKU / Part Number: 109-50144
Frequently Asked Questions
Q: What materials can the SJ-7 burr be used on?
The SJ-7 works great on cast iron, steel, copper, and brass alloys for shaping and smoothing.
Q: What's the difference between standard cut and double cut burrs?
Standard cut burrs use single spiral flutes ideal for fast material removal; double cut burrs combine left and right flutes to provide a smoother finish and better control.
Q: What size shank does this burr use?
The shank diameter for the SJ-7 is 1/4 inch, fitting most standard rotary tools and die grinders.
Q: Is the burr suitable for making beveled edges?
Yes! The 60-degree tapered cone shape is specifically designed for beveled edges and countersunk holes.
Q: Can I use this burr on aluminum?
While primarily designed for steel and similar metals, it can be used on aluminum with care to avoid clogging.
Q: How long is the cutting length on this burr?
The length of cut is 5/8 inch, sized for detailed shaping and finishing.
Q: Can I use the SJ-7 on a Dremel tool?
Yes, as long as your Dremel accepts a 1/4 inch shank, you can use the SJ-7 burr effectively.
Q: Does the burr need lubrication during use?
It's best to avoid lubrication as it can affect cutting performance; use moderate speeds and light pressure instead.
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.
