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
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.
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.
