Series 360 High Helix 3-Flute End Mill 3/4"

Special Price $126.06 Regular Price $252.12
  • Sku : 360-50347-H3
  • Cut Type : 3-Flute
  • Head Diam 3/4" Length of Cut 1-1/2 OAL 3/4X4

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Product Overview

The Series 360 High Helix 3-Flute End Mills are precision cutting tools designed for metalworking pros who need both power and finesse. These end mills are perfect for finishing tasks across a variety of tough materials.

Ideal for those working with stainless steel, titanium, and Inconel, these cutters handle high cutting forces with ease thanks to their robust 3-flute design with a 60-degree helix angle. If you want a tool that balances chip clearance with a superior finish, this is an excellent choice.

Crafted from premium submicron grain carbide, this tool offers durability and precision you can depend on – a solid investment for your shop that cuts through hard jobs smoothly. Ready to upgrade your cutting game?

Key Features

  • 3-flute design provides ample chip space for efficient cutting and minimal clogging
  • 60-degree high helix angle enhances surface finish quality during finishing passes
  • Ideal for high cutting forces encountered in stainless steel, titanium, and Inconel
  • Versatile enough to work well on most materials for finishing applications
  • Premium submicron grain carbide construction for exceptional toughness and wear resistance
  • Head diameter of 3/4 inch for a substantial cutting surface
  • Length of cut at 1-1/2 inches allows deeper machining without tool change
  • Overall length (OAL) of 4 inches offers solid reach into workpieces
  • Balanced design that reduces chatter and improves tool life
  • Manufactured to tight tolerances for consistent, reliable performance

Specifications

  • Shape / Type: 3-Flute End Mill
  • Cut Type: 3-Flute
  • Head Diameter: 3/4 inch
  • Shank Diameter: 3/4 inch
  • Length of Cut: 1-1/2 inches
  • Overall Length (OAL): 4 inches
  • Material Compatibility: Stainless Steel, Titanium, Inconel, and most other metals
  • Brand / Manufacturer: Series 360
  • Made In: USA
  • SKU / Part Number: 360-50347-H3

Durability and Performance You Can Count On with Series 360

The Series 360 High Helix 3-Flute End Mills offer more than just technical specs—they provide lasting value for your business. Its premium submicron grain carbide blade resists wear and holds sharpness longer, reducing the frequency of tool changes and enabling consistent output every day. That means less downtime and fewer interruptions in your workflow, boosting your overall operational efficiency. when you invest in quality tools like this, the reduced maintenance and reliable precision quickly translate into cost savings over time.

Trusted Innovation From Burrs4Less

Burrs4Less has a long-standing reputation for supplying cutting tools that meet the demanding needs of American machinists and fabricators. Our Series 360 tools combine advanced design features with durability, backed by decades of industry knowledge. As a top supplier, we understand that professionals across the USA count on tools that deliver dependable performance job after job. Choosing this end mill means partnering with a brand that puts innovation, quality, and customer satisfaction front and center—helping your business stay competitive with tools built to last.

Case Study: Real Business, Real Results

Houston, TX – Precision Tooling Inc. upgraded their cutting tools to improve efficiency on titanium parts.

"Switching to the Series 360 High Helix 3-Flute End Mills made our finishing cuts smoother and faster, especially with tough alloys. The chip clearance drastically reduced downtime for cleaning."

Sarah Mitchell – Production Manager

Resulted in a 35% increase in throughput and a 25% drop in tooling-related delays.

Why the 3-Flute Design Makes a Big Difference

Think of the 3-flute design like having three wide lanes on a highway instead of two or four. With three flutes, there’s just enough space for chips to exit quickly without jamming, preventing overheating and tool wear. While 2-flute tools have more chip space, they may lack smooth finishes, and 4-flute tools can sometimes get crowded when cutting tough metals. The 3-flute strikes the perfect balance—giving you cleaner cuts and longer tool life when working with materials like stainless steel or titanium.

Installation and Maintenance Guide

Setting It Up

  • Ensure the end mill shank diameter matches your tool holder (3/4 inch)
  • Use a clean, secure collet or chuck to avoid runout and vibration
  • Check tool alignment carefully before starting your machine
  • Apply proper cutting fluid for better chip evacuation and cooling
  • Set spindle speed and feed rates according to material and tool specs

Keeping It Going

  • Regularly inspect the cutter for wear or chipped edges
  • Clean debris from flutes after each use to maintain chip clearance
  • Store tools in a dry, protected environment to prevent corrosion
  • Resharpen or replace when finish quality starts to degrade
  • Use proper coolant and lubrication during operation to extend tool life

Buying Guide: Choosing the Right Series 360 3-Flute High Helix End Mill

  • Need help choosing the right size? Consider your workpiece dimensions and reach requirements before Selecting head diameter and length of cut.
  • Not sure which material compatibility fits you? Match the end mill’s carbide grade and flute design to your machined materials like stainless steel or titanium.
  • Looking for optimal chip removal? The 3-flute design is best for heavy cutting forces with good chip evacuation.
  • Wondering about finish quality? High helix end mills with 60-degree helix angles offer superior surface finishes.
  • Concerned about tool life? Premium submicron grain carbide ensures durability for demanding uses.
  • Curious about machine compatibility? Confirm your machine tool holder supports a 3/4 inch shank diameter.

Frequently Asked Questions

  • Q: What materials can I use this end mill on?

    This tool is suitable for stainless steel, titanium, Inconel, and most metals where finishing cuts are needed.

  • Q: What is the significance of the 3-flute design?

    It balances chip clearance and finish quality, ideal for heavy cutting forces and tough materials.

  • Q: What are the dimensions of the cutting edge?

    The head diameter is 3/4 inch with a length of cut of 1-1/2 inches.

  • Q: Is this end mill suitable for roughing?

    It’s primarily designed for finishing; though it can handle some light roughing, heavy roughing is better with other designs.

  • Q: What material is this end mill made from?

    It is crafted from premium submicron grain carbide for strength and wear resistance.

  • Q: What is the overall length of the tool?

    The tool’s overall length is 4 inches, allowing for deeper machining reach.

  • Q: How do I ensure proper tool setup?

    Match the shank diameter (3/4 inch) to your tool holder and check for proper alignment and secure clamping.

  • Q: How does the 60-degree helix impact performance?

    It improves chip evacuation and gives a smoother surface finish during machining.

  • 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.

  • Premium Quality

    Pro-grade tungsten carbide burrs for durable, precise work.

  • Affordable Pricing

    Wholesale rates from USA manufacturer, high performance.

  • Fast & Free Shipping

    24-hour shipping, free on $100+ orders.

  • Expert Guidance

    Team assists in picking ideal burr for materials.

What Customers Are Saying

  • This end mill handled tough stainless steel like a champ — no chatter and great finish every time.

    Greg Thompson | CNC Machinist

  • Perfect balance of chip clearance and smooth cutting. Helped me speed up my finishing work.

    Linda Garcia | Manufacturing Engineer

  • Durability is impressive — I’ve run these end mills on titanium and they hold up great.

    Joshua Lee | Production Supervisor

  • Easy to set up and the finish quality on stainless steel parts improved noticeably.

    Emily Rodgers | Tooling Specialist

  • Good tool for the price. Chip clearance helped reduce downtime cleaning chips.

    Michael Donovan | Shop Owner

Ready for Order

Don’t wait to upgrade your finishing operations! The Series 360 High Helix 3-Flute End Mills are stocked and ready to ship from the USA. Click ‘Add to Cart’ and experience smoother cuts and longer tool life today.

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