2-Flute Double End Stub Mill 5/32 Head Diameter
Product Overview
Meet the Series 240 2-Flute Double End Stub Mills, your go-to tool for precise and efficient milling. Crafted to handle a wide range of materials, this stub mill is perfect for pros who demand versatility and durability.
If you're working with low to medium carbon steels, cast iron, stainless steel, composites, or even aluminum alloys, this tool has got your back. Its two-flute design ensures smooth plunging and slotting, topping off with excellent chip clearance for higher feed rates.
Whether you're machining plastics, graphite, or copper alloys, this stub mill is engineered to keep your projects running smoothly. Ready to boost your milling game with dependable performance? Let’s dive deeper!
Key Features
- Double-ended stub mill design for extended tool life and cost efficiency.
- Two-flute cutting edges for enhanced chip clearance during heavy peripheral cuts.
- Ideal for plunging, slotting, and general milling applications.
- Perfect for low to medium carbon steels, cast iron, and easy-to-machine stainless steels.
- Great compatibility with composites, plastics, graphite, aluminum, and copper alloys.
- Compact head diameter of 5/32" for precision milling in tight spots.
- Length of cut measures 5/16", allowing effective material engagement.
- Overall length of 3/16" x 2" offers balance between control and reach.
- Optimized for higher feed rates without sacrificing finish quality.
- Engineered to provide smooth cutting action and longer tool life.
Specifications
- Shape / Type: 2-Flute Double End Stub Mill
- Cut Type: 2-Flute
- Head Diameter: 5/32 inch
- Length of Cut: 5/16 inch
- Overall Length (OAL): 3/16 inch x 2 inch
- Material Compatibility: Low to medium carbon steels, cast iron, stainless steels, composites, plastics, graphite, aluminum alloys, copper, brass, bronze
- Brand / Manufacturer: Burrs4Less Series 240
- Made In: USA
- SKU / Part Number: 240-10071-02
Why Series 240 Stub Mills Are a Trusted Choice for Metalworkers
The Series 240 stub mills aren’t just about their specifications—they’re about delivering long-term reliability and reducing downtime. By featuring a robust double-ended design, they cut your tool change frequency in half, which means less interruption on the shop floor and more consistent production runs. Crafted for easy chip evacuation, they help prevent overheating and tool wear, which saves you money on replacements and maintenance in the long run. Whether you’re milling steel or softer metals, these stub mills offer stable, precise results batch after batch.
Backed by Burrs4Less’s reputation for quality and innovation, these tools reflect decades of insight into what machinists need daily. Manufactured here in the USA, they meet stringent quality controls ensuring consistent performance every time you mount them. Beyond just durability, they’re designed with efficiency in mind—helping your business stay competitive, compliant, and sustainable thanks to optimal cutting performance that uses less energy and generates less waste during machining.
Case Study: Real Business, Real Results
Located in Wichita, Kansas, Precision Metals upgraded to the Series 240 2-Flute Double End Stub Mills to handle increased orders and tougher materials.
“Switching to these stub mills gave us cleaner cuts and faster turnaround without sacrificing quality. Our machinists noticed the difference immediately.”
Lisa Martinez – Production Manager
Production efficiency soared by 35%, cutting down lead times significantly.
Why the Two-Flute Cut Design Makes a Difference in Milling
Think of the two-flute design like a wide-open highway for chips. With fewer cutting edges than a multi-flute, the stub mill allows heavy chip clearance, which means it doesn’t get clogged up when cutting through tough materials or thick sections. This design helps maintain smoother cuts at higher feed rates without overheating or dulling quickly, much like having a bigger exhaust pipe keeping your car running cool on a long drive. It’s especially handy when you need to plunge straight into material or slot precisely, offering efficiency and reliability.
Installation and Maintenance Guide
Setting It Up
- Ensure your milling machine is powered off before installing the stub mill.
- Clean the spindle and tool holder to remove any debris or old lubricant.
- Securely insert the stub mill into the collet or tool holder until it fits snugly.
- Tighten the lock nut evenly to avoid tool run-out.
- Check alignment by spinning the tool by hand to ensure it rotates smoothly without wobble.
Keeping It Going
- Regularly clean the tool after each use to prevent build-up of chips or residue.
- Inspect cutting edges frequently for signs of wear or damage.
- Use appropriate coolant or lubrication suited to the material you’re milling.
- Store tools in a dry place to avoid corrosion and physical damage.
- Replace the stub mill once cutting performance noticeably declines to maintain part quality.
Frequently Asked Questions
Q: What materials can the Series 240 2-Flute Stub Mills be used on?
A: They work well on low to medium carbon steels, cast iron, easy-to-machine stainless steels, composites, plastics, graphite, as well as aluminum and copper alloys.
Q: Can these stub mills handle plunging and slotting?
A: Yes, the design is specifically made for efficient plunging and slotting applications.
Q: What is the head diameter of this stub mill?
A: The head diameter is 5/32 inch, ideal for detailed milling work.
Q: How long is the cutting length?
A: The length of cut is 5/16 inch, providing balanced engagement with materials.
Q: Is this tool suitable for high feed rates?
A: Yes, the two-flute design allows for increased chip clearance, supporting higher feed rates during milling.
Q: What is the overall length of these stub mills?
A: The overall length is 3/16 inch by 2 inches, offering a sturdy yet manageable reach.
Q: Are these tools manufactured in the USA?
A: Yes, these stub mills are proudly made in the USA.
Q: Can this mill be used on aluminum alloys?
A: Absolutely, it's designed for smooth milling on aluminum and aluminum alloys.
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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
Your next project deserves the precision and durability of the Series 240 2-Flute Double End Stub Mills. Don't wait—equip your shop with tools designed to deliver quality and efficiency every time. Order now and experience smoother milling with Burrs4Less!
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