2-Flute Double End Stub Mill 7/16 Head Diameter

Special Price $36.33 Regular Price $72.65
  • Sku : 240-30143-02
  • Cut Type : 2-Flute
  • Head Diam 7/16 Length of Cut 5/8 OAL 7/16X3
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Product Overview

If you’re on the hunt for a versatile milling tool, the Series 240 2-Flute Double End Stub Mills could be exactly what you need. These stub mills are built to handle a variety of materials, making them a staple for many workshops.

Ideal for metalworking pros and machinists working with steels, cast iron, and softer metals, this tool brings efficiency and precision to your milling tasks. The 2-flute design is perfect for jobs requiring fast chip removal and clean cuts.

With the Series 240, you’re looking at a tool that improves your slotting, plunging, and peripheral cutting capabilities—helping you get the job done faster and cleaner. Ready to boost your milling operations?

Key Features

  • 2-flute design for superior chip clearance and faster feed rates
  • Double-ended stub mill provides extended usability and convenient flipping to double life
  • Perfect for plunging, slotting, and peripheral cutting applications
  • Compatible with a wide range of materials including low to medium carbon steels, cast iron, and aluminum alloys
  • Short overall length (7/16 x 3 inches) for precise control and reduced tool chatter
  • Durable construction suitable for both heavy and moderate milling tasks
  • Effective for use on composites, plastics, graphite, and various non-ferrous metals
  • High-performance cutting for improved machining efficiency and surface finish
  • Designed to reduce downtime with quick tool changes thanks to the double-end format
  • Ideal for general milling needs across different materials

Specifications

  • Shape / Type: Double End Stub Mill
  • Cut Type: 2-Flute
  • Head Diameter: 7/16"
  • Length of Cut: 5/8"
  • Overall Length (OAL): 7/16" x 3"
  • Material Compatibility: Low to medium carbon steels, cast iron, stainless steels, composites, plastics, graphite, aluminum & alloys, copper alloys, brass, bronze
  • Brand / Manufacturer: Burrs4Less
  • Made In: USA
  • SKU / Part Number: 240-30143-02

Durability and Reliability You Can Count On

The Series 240 2-Flute Double End Stub Mills stand out for their dependable durability. Designed with professionals in mind, these tools reduce the frequency of replacements thanks to their double-ended design and robust construction. This means fewer interruptions on the shop floor and smoother project flow. Over time, you’ll notice less machine downtime, which directly contributes to lower operational costs—always a win for any business.

Trusted by industry leaders, Burrs4Less has a history built on quality and performance. Our innovative approach to tool design prioritizes real-world usability, so you get milling tools that last longer and perform better day after day. Plus, by accommodating a wide range of materials, this series helps your business stay flexible and ready for any job.

Case Study: Real Business, Real Results

Based in Milwaukee, Wisconsin, AlloyWorks upgraded their milling tools to improve production on mixed metal parts.

"Switching to the Series 240 Double End Stub Mills cut our machining time significantly without sacrificing finish quality. It’s been a reliable addition to our tool lineup."

Jake Thompson – Production Manager

Increased throughput by 35% while maintaining tight tolerances on complex parts.

How 2-Flute Design Boosts Your Machining Efficiency

Having two flutes on your cutting tool might sound simple, but it makes a big difference. Think of it like a garden hose with two nozzles: it allows more water to flow through than just one, helping you tackle bigger jobs faster. With 2-flutes, the tool clears out chips more effectively during cutting, preventing clogging and overheating. This means smoother cuts, quicker feed rates, and less chance of damaging the material or tool. For machinists, this translates into higher productivity and less frustration.

Installation and Maintenance Guide

Setting It Up

  • Make sure the machine spindle and collet are clean before inserting the mill
  • Insert the stub mill securely in the collet chuck and tighten to manufacturer specs
  • Verify tool alignment to avoid runout or vibration during cuts
  • Start with lower feed rates to test tool performance and material response
  • Wear safety gear such as gloves and goggles before operation

Keeping It Going

  • Regularly inspect the cutting edges for wear or damage
  • Clean chips and debris from the tool after each use to prevent build-up
  • Use proper coolant or lubrication when machining to extend tool life
  • Store tools in a dry, clean place to avoid corrosion
  • Replace the stub mill once cutting performance noticeably drops or chip evacuation becomes poor

Buying Guide: Choosing the Right Milling Tools

  • Need help choosing? Consider what materials you’ll be cutting most often and pick a tool designed for those specifically.
  • Not sure what fits best? Match the tool diameter and flute count to your machine’s capabilities and project requirements.
  • Looking for versatility? Double-ended tools like this one offer two cutting edges in one, saving money and downtime.
  • Concerned about chip clearance? Two-flute designs work well for softer metals and plastics because they clear chips quickly.
  • Want longer tool life? Make sure to follow proper maintenance and use coolant when needed.
  • Checking sizes? Pay attention to head diameter, length of cut, and overall length to suit your specific milling needs.

Frequently Asked Questions

  • Q: What materials are these stub mills suitable for?

    They work great on low to medium carbon steels, cast iron, aluminum alloys, stainless steels, composites, plastics, and brass.

  • Q: Can I use these mills for heavy cutting applications?

    Yes, the two-flute design supports heavy peripheral cuts and increased feed rates.

  • Q: What is the advantage of double-ended stub mills?

    You effectively get two tools in one, which cuts replacement frequency and cost.

  • Q: What sizes do the head diameter and length of cut come in?

    This particular tool has a 7/16" head diameter with a 5/8" length of cut.

  • Q: Is this stub mill compatible with CNC machines?

    Absolutely, it’s designed for use with standard CNC milling equipment.

  • Q: How do I prevent tool wear when using these mills?

    Use recommended feed rates, proper coolant, and regular inspection for wear.

  • Q: Can these mills be used on non-metals?

    Yes, they are suitable for plastics, composites, and graphite as well.

  • Q: What is the overall length of the tool?

    The overall length is 7/16" by 3 inches.

  • 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 Burrs4less?

Discover top reasons to pick our carbide burrs for your projects. Factory-direct quality at wholesale prices.

  • Premium Quality

    Pro-grade tungsten carbide burrs for durable, precise work.

  • Affordable Pricing

    Wholesale rates from USA manufacturer, high performance.

  • Fast & Free Shipping

    24-hour shipping, free on $100+ orders.

  • Expert Guidance

    Team assists in picking ideal burr for materials.

What Customers Are Saying

  • These stub mills handle everything I throw at them. Great quality and long-lasting.

    Sarah M. | Machinist

  • Perfect for my aluminum parts. Smooth cuts every time.

    Robert L. | Manufacturing Supervisor

  • Reliable and efficient. Great value for the price.

    Jenna K. | CNC Operator

  • Good tool but make sure to use coolant or they wear faster.

    Mike T. | Tooling Engineer

  • Double-ended design doubles my tool life. Highly recommend!

    Linda S. | Production Lead

Ready for Order

Don’t wait to upgrade your toolset with the efficient, versatile Series 240 2-Flute Double End Stub Mills. Order now to experience milling that’s faster, cleaner, and more reliable—your projects deserve nothing less.

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