2-Flute Extended Length End Mill 5/8 Diameter

Special Price $95.04 Regular Price $190.07
  • Sku : 135-42419-02
  • Cut Type : 2-Flute
  • Head Diam 5/8 Length of Cut 3 OAL 5/8X6

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Product Overview

If you’re looking for reliable performance in heavy cutting jobs, the Series 135 2-Flute Extended Length End Mills are your go-to tool. Designed with an extended length and two flutes, they’re built to handle some of the tougher milling tasks out there.

Perfect for machinists working with a broad range of materials—from low to medium carbon steels to aluminum alloys—these end mills provide remarkable chip clearance and smooth cutting action. Whether you’re plunging, slotting, or tackling tough peripheral cuts, this tool is built to keep up.

With a 5/8" head diameter and a 6" overall length, these end mills blend reach and durability, making them an ideal choice when precision and efficiency matter most on the job.

Key Features

  • Two-flute design for superior chip clearance and smooth cutting
  • Extended length for deeper reaches and versatile milling tasks
  • Perfect for plunging and slotting applications
  • Optimized for heavy peripheral cuts and higher feed rates
  • Head diameter of 5/8" ensures solid surface engagement
  • Overall length of 6" provides excellent tool reach
  • Compatible with a wide range of materials including steels, cast iron, composites, and aluminum
  • Crafted for use in both general-purpose and high-performance milling tasks
  • Made for machinists who need reliability and precision in extended-length tooling

Specifications

  • Shape / Type: Extended Length End Mill
  • Cut Type: 2-Flute
  • Head Diameter: 5/8 inch
  • Shank Diameter: 5/8 inch
  • Overall Length (OAL): 6 inches
  • Length of Cut: 3 inches
  • Material Compatibility: Low to medium carbon steels, cast iron, easy to machine stainless steels, composites, plastics, graphite, aluminum and aluminum alloys, copper alloys, brass, bronze
  • Brand / Manufacturer: Series 135
  • Made In: USA
  • SKU / Part Number: 135-42419-02

Reliability and Precision You Can Count On

Beyond the raw specs, the Series 135 2-Flute Extended Length End Mills bring long-term reliability to your shop. Their construction reduces downtime because they resist wear and maintain sharpness longer on demanding materials. This means fewer tool changes and smoother job flow, ultimately saving you time and money. The extended reach also allows you to handle thicker or more complex parts without switching to a different tool, enhancing efficiency on a daily basis.

Trust in American Craftsmanship and Innovation

Manufactured right here in the USA, the Series 135 line benefits from a heritage of precision engineering and strict quality control. The brand is well-regarded among metalworkers for balancing innovation with durability. Choosing this end mill supports domestic manufacturing while providing you with a tool tested and proven in real-world conditions, delivering consistent performance project after project.

Case Study: Real Business, Real Results

Chicago, Illinois – Upgrading their milling tools to improve efficiency and tackle tougher jobs.

"Switching to the Series 135 2-Flute Extended Length End Mills gave our shop the edge we needed. These tools handle tougher materials with ease, keeping our production line moving smoothly without bogging down."

Linda Martinez – Production Manager

Boosted milling efficiency by 35%, cutting cycle times significantly.

Why Two-Flute Cutting Is Your Milling Ally

The two-flute design on this end mill isn't just for looks. Think of it like a wider highway with fewer lanes – fewer flutes mean bigger spaces in between, so chips can clear out quickly without causing traffic jams. This helps prevent overheating and allows for higher feed rates, especially in tougher materials. So, when you’re doing heavy cuts or plunging deep, these two flutes keep things flowing smoothly, minimizing delays and tool wear.

Installation and Maintenance Guide

Setting It Up

  • Make sure your machine's collet or chuck matches the 5/8" shank diameter perfectly.
  • Secure the end mill firmly to avoid slippage during milling.
  • Check your machine settings for feed rate compatibility with two-flute cutters.
  • Test on scrap material first to dial in optimal cutting parameters.
  • Always confirm the tool path is clear of obstructions.

Keeping It Going

  • Regularly inspect the flutes for wear or chipping to maintain cutting precision.
  • Clean the end mill after each use to prevent buildup and corrosion.
  • Use proper coolant or lubrication to extend tool life during tough operations.
  • Store tools in a dry, organized space to avoid damage.
  • Replace the end mill promptly at the first signs of reduced performance.

Buying Guide: Choosing the Right Series 135 2-Flute Extended Length End Mill

  • Not sure if two flutes are right for you? They’re best when you need excellent chip clearance and smooth cutting in softer to medium-hard materials.
  • Considering the length? Extended length end mills reach deeper without compromising rigidity — ideal for thicker workpieces.
  • Material matters: Be sure your end mill material compatibility matches the metals or composites you’ll be working with.
  • Matching diameter and shank: Confirm that your machine setup supports the 5/8" size for a snug fit and stability.
  • Think feed rate and speed: Two-flute cutters allow faster feeds in appropriate materials, balancing speed and tool life.
  • Replacement plans: Keep track of your tool life by regularly inspecting for signs of wear to avoid costly interruptions.

Frequently Asked Questions

  • Q: What materials can I use these end mills on?

    They’re great on low to medium carbon steels, cast iron, some stainless steels, composites, plastics, aluminum alloys, copper alloys, brass, and bronze.

  • Q: Can I use these end mills for plunging?

    Yes, the two-flute design is optimized for plunging and slotting applications.

  • Q: What is the length of cut on this end mill?

    The length of cut is 3 inches, providing deep cutting capacity.

  • Q: What is the overall length?

    The overall length (OAL) is 6 inches, giving extended reach for larger workpieces.

  • Q: Are these end mills suitable for high feed rates?

    Absolutely. Their design supports higher feed rates especially in heavy peripheral cuts.

  • Q: What diameter does this end mill have?

    It features a 5/8" head and shank diameter.

  • Q: Is this suitable for precision milling?

    Yes, it’s designed for general milling with a good balance of reach and cutting accuracy.

  • Q: Are these made in the USA?

    Yes, these end mills are proudly made in the USA.

  • 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

  • These end mills cut smoothly and last longer than any I've tried before.

    James R. | CNC Operator

  • Good bite and chip clearance. Perfect for my aluminum jobs.

    Maria T. | Machinist

  • Works well, but a bit pricey compared to others on the market.

    Kevin L. | Production Supervisor

  • Great tool for deep slotting – no chatter or breakage so far.

    Tanya S. | Manufacturing Engineer

  • Highly recommend for heavy material work, definitely a solid investment.

    Robert W. | Shop Owner

  • Where have these been all my life? Cuts like a dream!

    Jessica H. | Tooling Specialist

Ready for Order

Looking to upgrade to a reliable, versatile end mill that can tackle heavy cuts with ease? The Series 135 2-Flute Extended Length End Mills await your order—get yours today and boost your shop’s machining efficiency!

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