2-Flute Double End Stub Mill 5/16 Head
Product Overview
If you're working with metal, plastic, or composites, our Series 240 2-Flute Double End Stub Mills are built for versatility and performance. Designed to handle a variety of materials from aluminum alloys to low- and medium-carbon steels, these tools are perfect for milling jobs that need reliability and precision.
Ideal for machinists and metalworkers who demand efficient chip clearance and smooth plunging action, this double-ended stub mill lets you get more done without swapping tools constantly. Its two-flute design means it’s ready to handle heavy peripheral cuts with ease.
With a compact 5/16" head diameter and a 1/2" cutter length, this tool fits right into your setup for general milling, slotting, and intricate plunging tasks. Make your tooling smarter and your workflow faster with the Series 240!
Key Features
- Double-ended design for extended tool life and less downtime
- Two-flute configuration offering efficient chip clearance and smoother cuts
- Compact 5/16" head diameter ideal for precision milling
- 1/2" length of cut balances depth and control
- Overall length of 2-1/2" optimizes reach without sacrificing rigidity
- Suitable for a wide range of materials including non-ferrous metals and composites
- Engineered to perform high feed rates with heavy peripheral cuts
- Versatile milling capabilities: plunging, slotting, and peripheral milling
- Made to enhance productivity in general machining applications
- Compatible with a variety of machining setups and tool holders
Specifications
- Shape / Type: 2-Flute Double End Stub Mill
- Cut Type: 2-Flute
- Head Diameter: 5/16"
- Length of Cut: 1/2"
- Overall Length (OAL): 2-1/2"
- Material Compatibility: Low-to-medium carbon steels, cast iron, easy-to-machine stainless steels, composites, plastics, graphite, aluminum, aluminum alloys, copper alloys, brass, bronze
- Brand / Manufacturer: Burrs4Less Series 240
- Made In: USA
- SKU / Part Number: 240-21112-02
Industry Leading Durability That Keeps Your Shop Running
When you invest in the Series 240 2-Flute Double End Stub Mills, you’re getting a tool that stands up to daily wear and tear while maintaining consistent performance over time. The double-ended design not only saves you money by doubling tool life, but it also cuts downtime spent switching between tools. This reliability means smoother workflows and less worry about tool failures during important production runs.
Backed by Burrs4Less’s trusted reputation for quality cutting tools, these stub mills are crafted with precision and attention to detail right here in the USA. Their versatility across a wide range of materials means fewer specialty tools cluttering your workspace, giving you a streamlined setup that's ready to tackle a variety of tasks efficiently. Plus, efficient cutting reduces energy consumption and heat generation, making your machining process more eco-friendly over time.
Case Study: Real Business, Real Results
Chicago, IL – A precision tool manufacturer upgraded their milling tools to improve material versatility and reduce changeovers.
"Switching to the Series 240 2-Flute Double End Stub Mills allowed us to cut through multiple materials without swapping bits, saving time and increasing our throughput dramatically."
Michael Thompson – Production Manager
Resulted in a 35% increase in machining efficiency while cutting costs on tooling inventory.
Why the Two-Flute Design Makes Milling More Efficient
Unlike tools with more flutes that can get clogged up, the two-flute design on this stub mill provides plenty of space for chips to clear away quickly. Think of it like giving your tool a bigger mouth to spit out debris faster, which means less heat buildup and smoother cuts. This is especially handy when working with softer metals or plastics, where clogging can slow you down. Ultimately, those two flutes help keep your milling job running cool and clean!
Installation and Maintenance Guide
Setting It Up
- Ensure the tool holder is clean before installation to avoid misalignment.
- Insert the stub mill securely into a compatible collet or chuck.
- Double-check the shank diameter matches your tool holder specs (5/16").
- Use appropriate speeds and feeds for the material to maximize tool life.
- Verify proper coolant flow to keep the cutting edge cool during operation.
Keeping It Going
- Regularly inspect the cutting edges for signs of wear or damage.
- Clean the tool after each use to remove debris and prevent buildup.
- Store the mills in a dry, safe place to avoid corrosion or chips.
- Sharpen or replace burrs when you notice loss of cutting performance.
- Maintain proper machine calibration for consistent cutting quality.
Frequently Asked Questions
Q: What materials is this stub mill best suited for?
It works great on low to medium carbon steels, cast iron, stainless steels, composites, plastics, aluminum alloys, copper alloys, brass, and bronze.
Q: Can this mill perform plunging operations?
Yes, the two-flute design is specifically suitable for plunging as well as slotting and peripheral milling.
Q: What does a double-ended design mean for me?
You get twice the cutting edges in one tool, so you can flip it around for longer use and less downtime.
Q: What are the head and shank diameters?
The head diameter is 5/16", and the shank diameter is also 5/16" to fit standard holders.
Q: What's the typical length of cut?
The cutting length is 1/2", providing a good balance between reach and rigidity.
Q: Is this mill suitable for heavy feed rates?
Yes, it’s designed to handle increased chip clearance and heavier peripheral cuts efficiently.
Q: Can I use this mill on stainless steel?
It’s best for easy-to-machine stainless steels; use appropriate speeds and feeds for tougher grades.
Q: How long is the overall length?
The stub mill’s overall length is 2-1/2", fitting most standard setups.
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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.
Why Choose Burrs4less?
Discover top reasons to pick our carbide burrs for your projects. Factory-direct quality at wholesale prices.
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Premium Quality
Pro-grade tungsten carbide burrs for durable, precise work.
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Affordable Pricing
Wholesale rates from USA manufacturer, high performance.
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Fast & Free Shipping
24-hour shipping, free on $100+ orders.
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Expert Guidance
Team assists in picking ideal burr for materials.
Ready for Order
Don’t miss out on upgrading your milling setup with the Series 240 2-Flute Double End Stub Mills. Order now to experience improved efficiency, cutting versatility, and longer tool life that keeps your operations moving forward. Get yours and see the difference precision tooling makes!
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