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3/16 Inch Miniature Carbide Burr SF-81

In stock
Special Price $7.53 Regular Price $15.05
Overview Features Specifications FAQ

Product Overview

The SF-81 is a compact powerhouse tailored for precision work in metalworking and woodworking. Designed as a miniature solid carbide burr, it’s perfect for professionals who demand accuracy and reliability in tight spaces.

Whether you’re working with cast iron, steel, copper, or brass alloys, this burr is built to deliver smooth, clean cuts every time. Its 3/16" head diameter and 1/2" cutting length make it versatile for detailed jobs without sacrificing durability.

Available in both standard cut and double cut options, the SF-81 lets you choose rapid stock removal or ultra-smooth finishes depending on your project needs. A must-have tool if you value precision and control in your craft.

Key Features

  • 3/16" head diameter ideal for detailed, miniature work
  • Length of cut: 1/2" provides ample cutting surface
  • Overall length of 2" for easy handling and maneuverability
  • Available in standard cut for rapid material removal
  • Double cut variant offers exceptionally smooth finishes
  • Right-hand spiral flute design for consistent cutting action
  • Constructed from solid carbide for long-lasting durability
  • Effective on a variety of materials including cast iron, steel, copper, and brass alloys
  • Combines precision with control through left-hand cutting action on double cut
  • Miniature burr size perfect for intricate and tight space applications

Specifications

  • Shape / Type: Miniature Carbide Burr
  • Cut Type: Standard Cut or Double Cut
  • Head Diameter: 3/16 inch
  • Shank Diameter: 3/16 inch
  • Length of Cut: 1/2 inch
  • Overall Length: 2 inches
  • Material Compatibility: Cast iron, Steel, Copper, Brass alloys
  • Brand / Manufacturer: Burrs4Less
  • Made In: USA
  • SKU / Part Number: 105-12113-M

Frequently Asked Questions

  • Q: What materials can the SF-81 burr cut?

    It works great on cast iron, steel, copper, and brass alloys.

  • Q: How do I choose between standard cut and double cut?

    Choose standard cut for fast stock removal; double cut is ideal for super smooth finishes.

  • Q: What size is the head diameter?

    The head diameter is 3/16 inch, perfect for detailed work.

  • Q: Is the burr compatible with most rotary tools?

    Yes, the 3/16 inch shank fits standard collets on most rotary tools.

  • Q: Can I use the SF-81 burr on wood?

    While designed primarily for metal, it can be used on some hardwoods with care.

  • Q: What is the overall length?

    The overall length is 2 inches, giving you good reach and control.

  • Q: How do I maintain the burr for longevity?

    Clean metal shavings regularly and avoid excessive pressure during use.

  • Q: Are there left-hand and right-hand cutting flutes?

    The double cut features both right and left-hand flutes for smooth finishes; standard cut is right hand.

  • 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.