Meet the SG-81, a solid carbide burr sized perfectly at 3/16" head diameter and a 1/2" cutting length, designed with precision to handle your detailed metalworking needs. Whether you're grinding, shaping, or deburring, this tool is crafted to deliver smooth, reliable cuts every time.
Ideal for metalworking pros and hobbyists alike, the SG-81 shines in applications requiring both stock removal and fine finishing. Perfectly suited for materials like cast iron, steel, copper, and brass alloys, it offers versatility without compromise.
Choose between a single cut, designed for speedy stock removal, or a double cut that combines right and left hand flutes for a polished finish and enhanced control. Plus, snag a deal on bulk purchases—score 50 pieces or more for just $4.60 each while supplies last!
Key Features
Head Diameter: 3/16", ideal for miniature and detailed work.
Cut Length of 1/2" for extended cutting surface area.
Overall length (OAL) is 2", compact for precision handling.
Available in Standard Cut (Single Cut) or Double Cut variants.
Single Cut provides rapid stock removal with a right-hand spiral flute.
Double Cut offers combined right and left hand flutes for smoother finishes and better control.
Crafted from solid carbide for durability and wear resistance.
Perfect for use on cast iron, steel, copper, and brass alloys.
Designed to minimize chatter for consistent, clean results.
Great option for both professional users and woodworking enthusiasts looking for quality burrs at bulk pricing.
Specifications
Shape / Type: 81 Series Miniature Burr
Cut Type: Standard Single Cut or Double Cut
Head Diameter: 3/16" (0.1875")
Length of Cut: 1/2" (0.5")
Overall Length (OAL): 2" (50.8 mm)
Material Compatibility: Cast Iron, Steel, Copper, Brass Alloys
Brand / Manufacturer: Burrs4Less
Made In: USA
SKU / Part Number: 106-12113-M
Frequently Asked Questions
Q: What materials can the SG-81 burr be used on?
The SG-81 works great on cast iron, steel, copper, and brass alloys, making it versatile for various metalworking projects.
Q: Should I choose single or double cut burr?
Single cut burrs excel at rapid stock removal, while double cut burrs provide smoother finishes and better cutting control.
Q: What is the shank diameter of this burr?
The shank diameter is 3/16", fitting standard rotary and die grinders with matching collets.
Q: How long is the cutting length?
The cutting length is 1/2" allowing for efficient removal over a decent surface area.
Q: Can this burr fit on any grinder?
As long as your grinder accepts a 3/16" shank, the SG-81 will fit securely.
Q: Is the burr made in the USA?
Yes, the SG-81 is proudly made in the USA, assuring quality craftsmanship.
Q: Does the double cut burr reduce vibration?
Yes, the double cut’s left and right flutes help balance the burr for smoother operation and less chatter.
Q: Are these burrs good for beginners?
Definitely! Their design offers control and smooth cutting, making them suitable for new users as well as pros.
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.
