2-Flute Double End Stub Mill 1/2 Diameter
Product Overview
If you’re looking for a reliable end mill that can handle heavy-duty jobs without compromising precision, the Series 240 2-Flute Double End Stub Mills might be just what you need. These tools are designed to tackle plunging, slotting, and demanding milling with ease.
Perfect for metalworking pros and machinists dealing with a variety of materials like low to medium carbon steels, cast iron, and even composites, these stub mills offer versatility along with performance. Whether you’re working on aluminum, stainless steel, or brass, they keep things running smoothly.
With a compact 1/2 inch head diameter and a length of cut at 5/8 inch, these double-ended end mills provide excellent chip clearance and durable design that stands up to higher feed rates. This is the kind of tool that gets your projects done faster and cleaner, every time.
Key Features
- 2-flute design for superior chip clearance and faster feed rates
- Double-ended cutting edges for extended tool life and value
- Stub mill style ideal for plunging and slotting operations
- Head diameter of 1/2 inch with a cutting length of 5/8 inch for precise control
- Overall length of 3/2 inches (1.5 inches) perfect for tight workspace applications
- Compatible with a wide range of materials including carbon steels, cast iron, and aluminum alloys
- Great for use on plastics, composites, graphite, and copper alloys
- Designed to withstand heavy peripheral cuts without sacrificing tool stability
- Manufactured for professional metalworking and machining environments
- Compact size reduces risk of chatter during operation
Specifications
- Shape / Type: Double End Stub Mill
- Cut Type: 2-Flute
- Head Diameter: 1/2 inch
- Length of Cut: 5/8 inch
- Overall Length (OAL): 1.5 inches (3/2 inch)
- 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: 240-34143-02
Long-Term Value That Keeps Your Shop Moving
Investing in the Series 240 2-Flute Double End Stub Mills means you’re getting more than just a cutting tool—you’re securing consistent, reliable machining performance that helps reduce machine downtime and tool change frequency. These mills are designed for durability and repeatability, so your daily operations can stay smooth without the headache of frequent tool failures. Over time, that translates to cost savings on both tooling expenses and labor.
Built on a Legacy of Precision and Innovation
Burrs4Less’s Series 240 tools carry the mark of American manufacturing excellence, trusted by professionals across industries for decades. With a solid reputation for high-quality carbide solutions, this range reflects continuous innovation to meet evolving machining needs. Beyond just raw performance, these tools contribute to environmentally responsible operations by optimizing cutting efficiency and reducing wasted material, helping your shop stay competitive and sustainable.
Case Study: Real Business, Real Results
Chicago-based Precision Metals upgraded their milling process to tackle tougher alloys with greater efficiency.
“Switching to the Series 240 2-Flute Double End Stub Mills allowed us to ramp up speeds without losing finish quality. Plus, they hold up well and last longer, which means less downtime and more orders shipped.”
Mark Hanson – Production Manager
Increased machining throughput by 35% while maintaining tight tolerances.
How the 2-Flute Design Boosts Performance
At first glance, '2-flute' might sound technical, but think of it like roadway lanes for chips removed from your workpiece. With two flutes, or cutting edges, there’s more room for chips to escape compared to multi-flute mills, reducing buildup and letting you feed the tool faster. This is especially helpful when cutting softer metals or plastics that tend to gum up tools. So, the 2-flute design means less clogging, better surface finish, and smoother operation—kind of like having a wide-open highway instead of a traffic jam.
Installation and Maintenance Guide
Setting It Up
- Ensure your collet or chuck matches the 1/2 inch shank securely.
- Double-check tool alignment before starting the cut to avoid chatter.
- Use proper speed and feed rates suitable for the material you’re milling.
- Verify coolant flow if using wet milling to extend tool life.
- Secure the workpiece firmly to prevent movement during cutting.
Keeping It Going
- Regularly clean the flutes to prevent chip buildup and heat.
- Inspect the tool edges for wear or chipping before each use.
- Use recommended coolant or lubrication to reduce friction.
- Store tools in a dry place to avoid corrosion or damage.
- Replace the mill promptly if you notice any decline in cutting quality.
Frequently Asked Questions
Q: What materials can the Series 240 2-Flute Double End Stub Mills cut?
They are designed for low to medium carbon steels, cast iron, stainless steels, composites, plastics, graphite, aluminum alloys, and copper-based metals.
Q: What size is the head diameter?
The head diameter is 1/2 inch.
Q: What does 'double end' mean?
Double end means the tool has cutting edges on both ends, allowing you to flip and use the other side for extended tool life.
Q: Is this mill effective for slotting?
Yes, the stub mill design is excellent for slotting and plunging applications.
Q: What is the advantage of having 2 flutes?
Two flutes allow better chip clearance and higher feed rates, especially useful on softer metals and plastics.
Q: What is the length of cut for this end mill?
The length of cut is 5/8 inch.
Q: Can I use this tool on aluminum alloys?
Yes, it works well on aluminum and its alloys.
Q: What coating is on the tool?
This model comes uncoated, suitable for general milling with appropriate speeds and feeds.
Q: How long is the overall length (OAL)?
The overall length is 1.5 inches.
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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 let tooling hold back your projects—grab the Series 240 2-Flute Double End Stub Mills today and experience precision and reliability that keeps up with your toughest jobs. Add to your cart now and keep your workflow sharp and efficient!
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