2-Flute Double End Stub Mill 3/8 Head
Product Overview
Discover the Series 240 2-Flute Double End Stub Mills, precision-engineered cutting tools perfect for tackling a variety of milling tasks. With a 3/8-inch head diameter and a 9/16-inch length of cut, these stub mills provide efficient chip clearance and seamless performance on your workpieces.
Ideal for machinists and metalworking professionals who require versatility, the two-flute design excels in plunging and slotting operations, especially in low to medium carbon steels and cast iron. Whether you're machining plastics, composites, or aluminum alloys, these mills keep your projects moving smoothly.
Crafted for durability and consistent cutting, the Series 240 stub mills help you push feed rates higher without compromising precision. If you’re tired of tools that bog down or wear out too quickly, these mills deliver the performance you need to power through your jobs.
Key Features
- Double-ended design for extended tool life and cost efficiency
- 2-flute cut type optimized for increased chip clearance
- Stub mill shape ideal for plunging and slotting
- Head diameter of 3/8 inch for precise and sturdy cutting
- Length of cut at 9/16 inch balances reach and rigidity
- Overall length of 2-1/2 inches fits standard milling machines
- Suitable for a wide range of materials including steels, cast iron, and aluminum alloys
- Excellent for general milling applications and heavy peripheral cuts
- Designed to handle higher feed rates without sacrificing accuracy
- Made to withstand machining of composites, plastics, graphite, and copper alloys
Specifications
Shape / Type: Double End Stub Mill
Cut Type: 2-Flute
Head Diameter: 3/8 inch
Length of Cut: 9/16 inch
Overall Length (OAL): 2-1/2 inches
Material Compatibility: Low to medium carbon steels, cast iron, stainless steels, composites, plastics, graphite, aluminum and aluminum alloys, copper alloys, brass, bronze
Brand / Manufacturer: Series 240
Made In: USA
SKU / Part Number: 240-26122-02
Why Series 240 Stub Mills Are a Smart Long-Term Investment
The Series 240 2-Flute Double End Stub Mills stand out not just for their precise specs but for the consistent value they bring to your workflow. Thanks to the double-ended design, you get two cutting edges per tool, doubling tool life and reducing the frequency of replacements. This efficiency means fewer machine stoppages and less downtime, which boosts your overall shop output. They’re built tough to withstand the daily grind with minimal wear, helping you maintain consistent part quality and avoid surprise maintenance costs over time.
Trust and Innovation from a Respected Brand
With decades of experience behind their carbide products, Series 240 tools are trusted by professionals nationwide. Their reputation comes from a commitment to steady innovation in cutting technology and quality control. These stub mills benefit from that legacy through improved chip evacuation and material compatibility, keeping you ahead of industry standards. Plus, manufacturing in the USA ensures reliable supply chains and stringent quality checks, so you get a tool that truly performs—and lasts.
Case Study: Real Business, Real Results
Columbus, Ohio – A metal fabrication shop upgraded its milling tools to improve efficiency.
"Switching to the Series 240 stub mills allowed us to increase feed rates while maintaining a clean cut. That balance helped us boost productivity without compromising part quality."
Mark Davison – Production Manager
Outcome: Increased output by 35% and reduced tool change downtime
How the 2-Flute Design Boosts Your Milling Efficiency
Think of the 2-flute cut type like having two wide-open doors instead of one narrow door. It gives chips plenty of room to exit the cut zone quickly, which stops your tool from clogging up or overheating. This means you can push your feed rates higher and still keep the cut nice and clean. Just like how a busy highway moves faster with extra lanes, your milling process speeds up with better chip clearance.
Installation and Maintenance Guide
Setting It Up
- Ensure your milling machine collet matches the 3/8 inch shank diameter for secure fit
- Clean the tool holder and up-mount the stub mill carefully to avoid damage
- Set spindle speed and feed rate based on the material being machined, referring to recommended parameters
- Verify the mill is properly aligned with the workpiece before starting operations
- Use proper coolant or lubricant to extend tool life and improve cut quality
Keeping It Going
- Regularly inspect the mill for wear or chipped edges to maintain precision
- Keep the tool clean by removing metal shavings after each use to prevent build-up
- Store tools in a dry, organized toolbox to protect against damage and corrosion
- Sharpen or replace tools promptly when cutting quality begins to decline
- Maintain your CNC or milling machine to avoid vibration and tool misalignment
Frequently Asked Questions
Q: What materials can I machine with this stub mill?
It’s suitable for low to medium carbon steels, cast iron, stainless steels, composites, plastics, graphite, aluminum and aluminum alloys, copper alloys, brass, and bronze.
Q: Can I use these mills for both plunging and slotting?
Absolutely. The two-flute design is specifically made for efficient plunging and slotting operations.
Q: What is the advantage of the 2-flute cutting type?
It allows for increased chip clearance, which enables higher feed rates and better heat dissipation.
Q: What size collet do I need for installation?
You’ll need a 3/8-inch collet to securely hold this stub mill.
Q: Is this stub mill suitable for heavy-duty cutting?
Yes, it’s designed for heavy peripheral cuts with good rigidity and durability.
Q: How long is the overall length?
The tool measures 2-1/2 inches overall.
Q: Can I use it on composite materials?
Yes, it works well on composites and plastics alongside metals.
Q: Are these mills double-ended?
Yes, you get two usable cutting ends per tool for increased cost-effectiveness.
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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.
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Expert Guidance
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Ready for Order
Don't let your milling projects stall—equip your shop with the reliable Series 240 2-Flute Double End Stub Mills today. Order now to experience efficient cutting, longer tool life, and exceptional performance on a wide range of materials. Get the job done right, the first time.
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