2-Flute Double End Stub Mill 1/4" Dia 1/2" Cut

Special Price $17.55 Regular Price $35.10
  • Sku : 240-17112-02
  • Cut Type : 2-Flute
  • Head Diam 1/4 Length of Cut 1/2 OAL 1/4X2-1/2
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Product Overview

If you're diving into precision milling jobs where speed and accuracy matter, the Series 240 2-Flute Double End Stub Mills are an excellent choice. Crafted for versatility, these stub mills are perfect for anyone working with a range of materials from aluminum alloys to cast iron.

Ideal for machinists aiming to optimize their heavy peripheral cuts, these tools handle plunging and slotting like pros while maintaining excellent chip clearance. Their 2-flute design ensures you can push feed rates without sacrificing control.

Whether you're into prototyping, production runs, or custom work, these stub mills promise durable performance and cleaner cuts, making your milling projects smoother and more efficient.

Key Features

  • Designed with two cutting flutes for efficient chip evacuation and smoother cuts.
  • Double-ended stub mill design offers versatility and longer tool life.
  • Perfect for plunging, slotting, and heavy peripheral cutting applications.
  • Head diameter of 1/4" for detailed milling tasks.
  • Length of cut measures 1/2", supporting precision in depth control.
  • Overall length of 2-1/2" helps maintain rigidity during operation.
  • Suitable for a wide range of materials including steels, cast iron, composites, and non-ferrous metals.
  • Carbide construction ensures durability and heat resistance.
  • Optimized for low to medium carbon steels and easy-to-machine stainless steels.
  • Ideal for chip clearance at higher feed rates to keep work smooth and consistent.

Specifications

  • Shape / Type: Double End Stub Mill
  • Cut Type: 2-Flute
  • Head Diameter: 1/4"
  • Length of Cut: 1/2"
  • Overall Length: 2-1/2"
  • Material Compatibility: Low to Medium Carbon Steel, Cast Iron, Stainless Steel (Easy to Machine), Composites, Plastics, Graphite, Aluminum and Aluminum Alloys, Copper Alloys, Brass, Bronze
  • Brand / Manufacturer: Series 240
  • Made In: USA
  • SKU / Part Number: 240-17112-02

Long-Term Business Value and Reliability with Series 240 Stub Mills

The Series 240 2-Flute Double End Stub Mills aren’t just high performers – they’re built for the long haul. Thanks to their double-ended design, you get twice the usage out of each tool, reducing your frequent replacements and minimizing downtime. These mills handle tough cutting jobs efficiently, which leads to fewer machine stops and lower maintenance costs overall. For businesses balancing productivity with budget, these stub mills offer a cost-effective way to enhance output without compromising quality.

The Trusted Choice for Precision Milling Professionals

With a manufacturing pedigree rooted in USA craftsmanship, the Series 240 line has earned recognition among metalworking pros for combining innovative design with rugged durability. Their versatility across materials—from aluminum alloys to cast iron—means they fit right into varied shop environments. Plus, carbide construction not only improves heat resistance but also aligns with modern environmental considerations by promoting longer tool life and reducing waste. Choosing these stub mills signals a commitment to consistent performance and manufacturing excellence.

Case Study: Real Business, Real Results

Chicago-based MetalPro Fabrication upgraded their milling tools to improve throughput on stainless steel components.

"Switching to the Series 240 2-Flute Double End Stub Mills allowed us to increase cutting speed without sacrificing precision, reducing our setup time and waste significantly."

Mark Jefferson – Production Manager

Output increased by nearly 35% while maintaining tighter tolerance standards.

Why the 2-Flute Design Makes Your Milling Job Easier

Two-flute cutters might sound simple, but their design is a smart balance between cutting efficiency and chip clearance. Imagine trying to clear a narrow path while carrying a heavy load—two wide lanes work better than four thin ones. These two flutes create enough space to remove chips quickly, preventing clogging and overheating during heavy cuts. This means you can feed the tool faster and keep working longer without worrying about tool wear or poor finishes. In short, it helps you work smarter, not harder, especially when dealing with tougher materials or complex shapes.

Installation and Maintenance Guide

Setting It Up

  • Ensure your collet or chuck matches the 1/4" shank diameter for a secure fit.
  • Clean the tool and spindle before installation to avoid debris interference.
  • Insert the double-ended stub mill firmly to prevent chatter during operation.
  • Check tool alignment for accurate plunge and slotting cuts.
  • Set cutting parameters according to material type and milling depth.

Keeping It Going

  • Regularly inspect for wear or chipping on cutting edges to maintain precision.
  • Clean the flutes after each use to avoid chip buildup that can reduce performance.
  • Use proper coolant or lubrication to extend tool life during heavy milling.
  • Store tools in protective cases to prevent accidental damage.
  • Sharpen or replace the tool promptly when cutting quality decreases.

Buying Guide: Choosing the Right Series 240 2-Flute Double End Stub Mill

  • Need help choosing? Consider the material you'll be milling to pick the right diameter and length.
  • Not sure what fits best? Match the shank diameter to your machine’s collet for secure mounting.
  • Wondering about cut type? Two-flute cutters offer better chip clearance for most general milling tasks.
  • Considering tool length? Longer cutting length may be needed for deep slots, but shorter helps with rigidity.
  • Got specific material concerns? Check that the tool supports your workpiece metal, be it stainless or aluminum alloys.
  • Looking for durability? Choose carbide construction for longer-lasting sharpness and heat resistance.

Frequently Asked Questions

  • Q: What materials can I use the Series 240 2-Flute Double End Stub Mills on?

    A: These stub mills are compatible with low to medium carbon steels, cast iron, easy to machine stainless steels, composites, plastics, graphite, aluminum alloys, and non-ferrous metals like brass and bronze.

  • Q: What is the importance of the two-flute design in this mill?

    A: The two-flute design offers excellent chip clearance and allows higher feed rates, making it suitable for heavy peripheral cuts and plunging tasks.

  • Q: Can this tool be used for slotting applications?

    A: Yes, the Series 240 stub mill is designed for both slotting and plunging operations.

  • Q: What is the overall length and cutting length of this stub mill?

    A: The overall length is 2-1/2 inches with a cutting length of 1/2 inch.

  • Q: Is this stub mill suitable for CNC machining?

    A: Absolutely, its design supports precise and efficient CNC milling operations.

  • Q: How do I maintain the tool for longest life?

    A: Regular cleaning, proper coolant use, and timely inspections for wear help maintain performance and tool life.

  • Q: What shank diameter does this tool require?

    A: This stub mill has a shank diameter of 1/4 inch, so your collet or chuck must fit accordingly.

  • Q: Is carbide a good material for this type of milling tool?

    A: Yes, carbide is highly durable and heat-resistant, making it ideal for heavy milling applications.

  • 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

  • The double ends have doubled my tool life and work perfectly on cast iron.

    Jennifer L. | CNC Operator

  • Excellent chip clearance at high feed rates, especially on aluminum workpieces.

    Tom R. | Machinist

  • Great for slotting and easy to maintain sharp edges.

    Maria K. | Production Lead

  • Reliable and sturdy—lasts longer than other stub mills I've tried.

    James W. | Shop Owner

  • Fits perfectly in my setup and performs consistently with minimal runout.

    Sarah M. | CNC Programmer

Ready for Order

Grab your Series 240 2-Flute Double End Stub Mills now and experience milling efficiency like never before. Don’t wait – upgrade your tooling today and take your projects to the next level with precision and reliability.

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