If precision and durability are on your checklist, the SM-43 with Extended Shank Option is here to impress. This carbide burr is specially crafted for those who need a reliable, sharp tool for detailed metal shaping and finishing.
Designed with both metalworking and woodworking pros in mind, this burr offers versatility with its choice between standard and double cut options, making it perfect for everything from roughing out stock to refining surfaces.
Featuring a 7-degree taper and a compact 1/8" head diameter, this tool fits comfortably in your hand and grinder for precise control. Whether you’re tackling cast iron or brass alloys, this Little Burr packs the power needed to get the job done right.
Key Features
Extended 1-1/2" shank for deeper reach and versatility
7 Degree taper for precision shaping and finishing
Available in either standard or double cut versions
1/8" head diameter ideal for detailed work in tight spaces
Durable solid carbide construction for long-lasting performance
Standard cut provides rapid stock removal with smooth finishes
Double cut option offers super smooth finish with excellent control
Compatible with steel, cast iron, copper, and brass alloys
Right-hand spiral flute for efficient chip evacuation
Compact design integrates easily with various rotary tools
Specifications
Shape / Type: M Series Taper Cone Shape
Cut Type: Standard Cut or Double Cut
Head Diameter: 1/8"
Shank Diameter: 1/8"
Overall Length: 1-1/2"
Length of Cut: 5/8"
Taper Angle: 7 Degrees
Material Compatibility: Cast Iron, Steel, Copper, Brass Alloys
Brand / Manufacturer: Burrs4Less M Series
Made In: USA
SKU / Part Number: 107-08142
Frequently Asked Questions
Q: What materials can this burr be used on?
It works great on cast iron, steel, copper, and brass alloys.
Q: What’s the difference between standard and double cut?
Standard cut is for fast stock removal; double cut gives a super smooth finish with better control.
Q: How long is the extended shank?
The shank length is 1-1/2 inches, giving you extra reach.
Q: What does the 7-degree taper help with?
It allows easier access and control when working in tight or angled spaces.
Q: Is this burr compatible with my die grinder?
As long as your grinder accepts 1/8" shanks, yes!
Q: Can I use this burr for woodworking?
Yes, it works well for detailed shaping and carving in various woods.
Q: How do I clean and maintain the burr?
Regular cleaning after use and avoiding excessive pressure will keep it sharp longer.
Q: Is it made in the USA?
Yes, this product is proudly made in the USA.
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.