10 pcs 4-Flute End Mill Bits - AFUNTA

High-speed steel, high hardness, good wear resistance and durability. U-shaped gravure design, lar...

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OnBuy.com10 Pcs 4-Flute End Mill Bits, Afunta 0.08" - 0.47" Hss Cnc Straight Shank Drill Bits Cutter Tool Set For Wood Aluminum Steel Titanium 783710282415
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Product Information

Full details

This set of 10 AFUNTA 4-Flute End Mill Bits is designed for machinists and DIY enthusiasts seeking efficient material removal and precise cuts in various materials. Key benefits include high-speed steel construction for durability and a U-shaped gravure design that reduces cutting strength, leading to improved machining efficiency. A potential caveat is the need for appropriate machinery and setup to achieve optimal results.

All features

BrandAFUNTA

Extended Product Information

FAQs

What materials can these end mill bits be used on?

These bits are suitable for a range of materials including aluminum, plastics, wood, and softer metals. For harder materials, use appropriate speeds and feeds, and ensure adequate cooling.

How do I prevent the end mill from breaking?

Ensure the bit is properly secured, use appropriate cutting parameters (speed, feed, depth of cut), and employ adequate cooling and lubrication. Avoid forcing the cut.

What is the purpose of the U-shaped gravure design?

The U-shaped gravure design, with its large front angle, is designed to reduce cutting resistance, allowing for smoother cuts and improved machining efficiency.

How many end mill bits are included in this set?

This set includes 10 pieces of 4-flute end mill bits.

Can these bits be used for high-speed machining?

Yes, the high-speed steel construction is designed for efficient cutting, but optimal performance depends on correct machine setup, cooling, and material parameters.

How should I clean the end mill bits after use?

After use, clean the bits with a brush and a mild solvent to remove chips and debris. Ensure they are dry before storing to prevent rust.

Troubleshooting

Chatter or vibration during cutting

Ensure the end mill is securely held in the collet, check for any runout in the spindle, and adjust feed rate or depth of cut.

Poor surface finish

Verify the sharpness of the end mill, use appropriate cutting speed and feed rate, and ensure adequate cooling/lubrication.

End mill breaking prematurely

Reduce feed rate, increase cutting depth gradually, ensure proper cooling to prevent overheating, and verify material compatibility.

Excessive heat generation

Increase coolant flow, reduce cutting speed, or take shallower passes.

Pros and Cons

Pros

  • Excellent wear resistance due to high-speed steel material.
  • U-shaped gravure design reduces cutting load and improves efficiency.
  • Sharp blades ensure clean and precise cuts.
  • Durable construction for extended tool life.
  • Set includes multiple bits for versatility.

Cons

  • Requires compatible machining equipment.
  • May require specific lubrication and cooling for optimal performance.
  • Not suitable for extremely hard or brittle materials without proper parameters.
  • Requires careful handling to avoid breakage.

Setup, Compatibility & Care

These end mill bits are designed to be used in standard milling machines, CNC routers, and similar equipment that can accommodate their shank diameter. Ensure the collet or tool holder you use is clean and properly sized for the bit's shank to prevent slippage and ensure accurate machining.

Compatibility: Compatible with most standard milling machines and CNC equipment. Always check your machine's specifications for tool shank compatibility.

Care Instructions:

  1. Lubrication and Cooling: For optimal performance and to extend the life of the bits, use appropriate cutting fluids or coolants, especially when working with harder materials.
  2. Cleaning: After each use, clean the bits thoroughly to remove any residual material or chips. A brush and a mild solvent can be effective.
  3. Storage: Store the end mill bits in a dry, protected environment, such as a dedicated tool case or organizer, to prevent rust and damage.

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