4-Flute Ballnose and Radius End Mill 3/16"
Product Overview
Get precise, smooth cuts with our 4-Flute Ballnose and Radius End Mill, sized perfectly at 3/16". Designed to master most ferrous metals, this tool is a must-have for metalworking pros seeking reliability and finesse.
This end mill is ideal for machinists and fabricators who tackle everything from stainless steel to tool steels, especially when enhanced with our specialized FerroCon and InoxoCon coatings. Whether you're working with high-speed milling or trochoidal operations, this cutter holds its ground.
Featuring a sharp 40° helix and a radius of .009”, you get exceptional tool life and surface finish. Ready to upgrade your milling precision with a tool engineered for performance? This end mill fits right into your workflow.
Key Features
- 4-flute design for excellent chip evacuation and smoother finishes
- Ballnose and radius cutting edge for versatile contouring and profiling
- 3/16" diameter and length optimized for precision milling
- Designed for trochoidal and high-speed milling techniques
- 40° helix angle improves chip flow and reduces tool pressure
- Compatible with ferrous materials including stainless steel
- Highly effective AlTiN coating for harder materials and speed
- Recommended FerroCon coating boosts performance on tool steels
- InoxoCon coating specially formulated for stainless steel milling
- Durable 2" overall length with 5/8" length of cut giving extended reach
Specifications
- Shape / Type: Ballnose and Radius End Mill
- Cut Type: 4-Flute
- Head Diameter (D1): 3/16"
- Shank Diameter (D2): 3/16"
- Overall Length (OAL): 2"
- Length of Cut (LOC): 5/8"
- Radius: .009"
- Helix Angle: 40°
- Material Compatibility: Ferrous metals, stainless steel (with InoxoCon coating), tool steels
- Brand / Manufacturer: Burrs4Less
- Made In: USA
- SKU / Part Number: B-FT4-187
Experience Long-Term Efficiency with Burrs4Less End Mills
Choosing the right milling tool means more than just shaving off metal—it’s about investing in consistent performance day after day. Our 4-Flute Ballnose and Radius End Mill delivers on durability by substantially reducing tool changes and downtime. The specialized coatings like FerroCon and InoxoCon not only extend tool life but also minimize thermal wear, saving you money on replacements and boosting your shop’s throughput. In a business where every minute counts, these benefits stack up to real operational value.
A Brand You Can Trust for Precision and Innovation
Burrs4Less has built a reputation as a trusted USA manufacturer of metal-cutting tools that stand up to the toughest jobs. With decades of experience, innovation, and quality control, we offer products designed around the needs of metalworkers who push the envelope in performance and reliability. Our commitment to environmentally-aware coatings and careful manufacturing means you get tools that not only perform superbly but are made with modern standards in mind. Partner with a brand that gets your work done right, time after time.
Case Study: Real Business, Real Results
Chicago, IL – Upgraded milling tools for enhanced stainless steel fabrication
"Since switching to the 4-Flute Ballnose End Mill with InoxoCon coating, our shop has noticed a significant drop in tool wear and a smoother finish on every job. It’s really boosted our efficiency and product quality."
Vanessa Martinez – Production Manager
Increased throughput by 35% and reduced tool replacement frequency.
Why the 40° Helix Angle Makes a Big Difference
Think of the helix angle like the angle of a spiral staircase. At 40°, this angle helps the cutting edges slice smoothly through metal while pushing chips out quickly, preventing clogging and overheating. It’s kind of like how a spiral slide lets kids zip down fast and safe—this 40° angle lets your mill work faster and last longer without getting bogged down.
Installation and Maintenance Guide
Setting It Up
- Inspect the end mill for any damage before installation.
- Secure the tool tightly in the machine’s collet or chuck to prevent wobble.
- Confirm the shank diameter matches the tool holder for a snug fit.
- Set your machining parameters to accommodate the 40° helix and 4-flute design.
- Use recommended coolant or lubrication to improve tool life and cutting performance.
Keeping It Going
- Clean the end mill after each use to remove metal chips and residue.
- Inspect the cutting edges regularly for wear or dullness.
- Reapply or Select the proper coating (FerroCon or InoxoCon) for your material needs.
- Store the tool in a dry, safe place to prevent rust and physical damage.
- Avoid overloading the tool to maintain sharpness and extend its lifespan.
Frequently Asked Questions
Q: What materials is this end mill best suited for?
This tool performs exceptionally well in ferrous metals and stainless steel when using recommended coatings.
Q: Can I use this end mill for high-speed milling?
Yes, it’s designed for trochoidal and high-speed milling with a 40° helix for efficient cutting.
Q: What coatings do you recommend?
Use FerroCon for steels and tool steels, and InoxoCon for stainless steel applications.
Q: What is the difference between the Ballnose and Radius cutting edges?
Ballnose tips are great for smooth 3D contouring, while radius edges help blend and finish sharp corners gently.
Q: How long is the cutting length?
The length of cut is 5/8", ideal for medium-depth cuts.
Q: What does the 4-flute design do?
It provides a balance between chip clearance and surface finish, making it versatile for tougher materials.
Q: Is this tool made in the USA?
Yes, proudly manufactured in the USA.
Q: What is the shank diameter?
The shank diameter is 3/16", matching the head diameter for stability.
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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
Ready to elevate your milling game with a tool designed for precision and durability? Order your 4-Flute Ballnose and Radius End Mill today and experience smoother cuts and longer tool life with every job.
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