2-Flute Extended Length End Mill, 5/8" Diameter

Special Price $91.00 Regular Price $182.00
  • Sku : 135-42326-02
  • Cut Type : 2-Flute
  • Head Diam 5/8 Length of Cut 2-1/4 OAL 5/8X5

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Product Overview

If you're tackling precision milling jobs, the Series 135 2-Flute Extended Length End Mills are built to handle it with confidence. These end mills excel in heavy peripheral cuts and are exactly what metal and composite fabricators need.

Designed for professionals working with everything from low to medium carbon steels to aluminum alloys, this tool provides improved chip clearance and smooth slotting for faster, cleaner cuts. Its 2-flute configuration means it can handle plunging work and keeps your workflow efficient.

Perfect for machinists seeking a durable, versatile end mill that cuts through tough materials while maintaining accuracy. Ready to enhance your milling performance? This extended length end mill delivers both reach and reliability for your projects.

Key Features

  • 2-Flute design for excellent chip clearance and faster feed rates
  • Extended length for deeper cuts and harder-to-reach areas
  • Ideal for plunging and slotting applications
  • Works well on low to medium carbon steels and cast iron
  • Suitable for easy-to-machine stainless steels and composites
  • Great for aluminum, aluminum alloys, copper alloys, brass, and bronze
  • High-performance cutting in both peripheral and face milling
  • Optimized for both heavy and medium-duty milling tasks
  • Precision ground to provide consistent tool life and accuracy
  • Compatible with a variety of CNC milling machines and setups

Specifications

  • Shape / Type: 2-Flute Extended Length End Mill
  • Cut Type: 2-Flute
  • Head Diameter: 5/8 inch
  • Shank Diameter: 5/8 inch
  • Length of Cut: 2-1/4 inches
  • Overall Length (OAL): 5/8 x 5 inches
  • Material Compatibility: Low to medium carbon steels, cast iron, stainless steels, composites, plastics, graphite, aluminum alloys, copper alloys, brass, bronze
  • Brand / Manufacturer: Series 135
  • Made In: USA
  • SKU / Part Number: 135-42326-02

Built for Consistency and Long-Term Reliability

When you're running a busy shop, every tool in your arsenal needs to deliver dependable performance day in and day out. The Series 135 2-Flute Extended Length End Mills stand out by combining durability with precision to ensure consistent results over an extended lifespan. This reduces the frequency of tool changes and machine downtime, helping keep your project schedules on track. Their compatibility with a wide range of materials also makes them a versatile choice, allowing you to streamline your tooling inventory without sacrificing quality.

Trust and Innovation Backed by American Craftsmanship

Manufactured in the USA, these end mills carry the legacy of decades of expertise in cutting tool design. The Series 135 line has gained respect in the metalworking and woodworking industries for pushing the envelope on tool performance and material versatility. By focusing on practical design elements—such as extended length and chip clearance—these tools provide measurable gains in efficiency while maintaining the rugged build needed for tough environments. This commitment to innovation ensures your investment supports a future of precision and productivity.

Case Study: Real Business, Real Results

Texas Metalworks upgraded their milling tools to improve throughput and accuracy on their custom metal parts.

"Switching to the Series 135 2-Flute End Mills made a noticeable difference in cutting speed and finish quality. Our operators appreciate the tool’s reliability during long production runs."

Samuel R. Bennett – Production Manager

Increased milling output by 35% while reducing tool change downtime.

Why the 2-Flute Design Makes a Difference

The 2-flute architecture of these end mills is a clever mix of efficiency and practicality. Think of it like a wide highway lane that allows bigger traffic flow—the chips being cut away during milling need space to evacuate quickly. With two flutes, there's more room for chips to escape than you’d get with a higher flute count, reducing clogging and heat buildup. This makes higher feed rates possible and lengthens tool life, especially when working with softer metals or composite materials. So in plain terms, it keeps your job moving faster and your tools cooler — a win-win for any busy workshop.

Installation and Maintenance Guide

Setting It Up

  • Check that your machine collet matches the 5/8 inch shank diameter for a secure fit.
  • Insert the end mill straight into the collet to avoid wobbling during operation.
  • Tighten the collet nut firmly, but don’t overtighten to prevent damage.
  • Set appropriate spindle speeds and feed rates based on material type.
  • Use coolant or proper lubrication when machining metals to extend tool life.

Keeping It Going

  • Regularly clean the end mill after use to remove chips and debris.
  • Inspect the cutting edges for signs of wear or chipping before each job.
  • Sharpen or replace the end mill if cutting quality degrades noticeably.
  • Store the tool in a dry, safe place to prevent corrosion and damage.
  • Use proper machining parameters to avoid overheating and reduce premature wear.

Buying Guide: Choosing the Right Extended Length End Mills

  • Need help choosing? Consider the material you'll mostly machine—different metals and composites may favor specific flute counts and coatings.
  • Not sure what fits best? Match shank diameter to your machine's collet size for secure and balanced rotation.
  • Wondering about length? Extended length end mills are best if your project requires deep cuts or difficult-to-reach areas.
  • What's cut type? For slotting and plunging, 2-flute tools offer great chip clearance and efficiency.
  • Looking for durability? Check for tools that specify compatibility with your material and come from reputable brands.
  • Considering precision? Ensure the end mill you pick is precision-ground for consistent accuracy and finish.

Frequently Asked Questions

  • Q: What materials can I machine with this end mill?

    It works well on low to medium carbon steels, cast iron, stainless steels, composites, plastics, aluminum alloys, and non-ferrous metals like brass and bronze.

  • Q: How does the 2-flute design benefit my milling process?

    Two flutes offer superior chip clearance, which means less clogging and better performance during plunging and slotting operations.

  • Q: What is the significance of the extended length?

    The longer cutting length allows deeper cuts and the ability to machine parts with difficult-to-reach surfaces.

  • Q: Can I use this end mill for high-speed machining?

    Yes, but make sure to use appropriate feed rates and cooling to maintain tool life and cut quality.

  • Q: What shank size do I need for my collet?

    You'll need a collet that fits a 5/8 inch shank diameter for proper tool holding.

  • Q: Is this end mill suitable for composite materials?

    Yes, it’s specifically designed to handle a wide variety of composites effectively.

  • Q: Does it work for both slotting and peripheral milling?

    Absolutely, the design supports both slotting and heavy peripheral cuts efficiently.

  • Q: What maintenance is recommended to extend tool life?

    Regular cleaning, inspection for wear, proper storage, and using cooling during cuts will help maximize lifespan.

  • 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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What Customers Are Saying

  • Perfect for my stainless steel projects — cuts clean and stays sharp.

    Emily K. | CNC Machinist

  • Good value for the quality, works excellently on aluminum alloys.

    Michael D. | Fabrication Specialist

  • Exceeded my expectations in chip clearance — no jams even on long runs.

    Ashley R. | Production Lead

  • Good tool, but make sure you use proper speeds to avoid quick dulling.

    David T. | Shop Owner

  • Reliable extended length helps reach tricky spots on complex parts.

    Lauren S. | Manufacturing Engineer

Ready for Order

Upgrade your milling toolkit with the Series 135 2-Flute Extended Length End Mills today. Don’t miss the chance to enhance your cutting precision and efficiency — stock up now and keep your projects moving smoothly.

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