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    Aluminium Alloy Milling Cutters - 2 & 3 Flute Options from China Suppliers and Factory
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    Aluminium Alloy Milling Cutters - 2 & 3 Flute Options from China Suppliers and Factory

    Introducing our high-quality end mills from a leading China factory, designed for precision machining and exceptional performance. Our product range includes the DL-2-E Square Standard with 2 Flutes, ideal for general milling tasks. For longer reach applications, we offer the DL-2-EL Square Long model with 2 Flutes. Our DL-3-E Square Standard with 3 Flutes is perfect for achieving finer finishes, while the DL-3-EL Square Long variant enhances versatility in deeper cuts. Additionally, our DL-2-B Ball Standard with 2 Flutes is designed for contouring and profiling. As trusted suppliers in the industry, we guarantee durability and efficiency in all our end mills.

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      Product Detail

      derek
      DL-2-E / Square / Standard / 2 Flutes
      DL-2-E 1@4xDL-2-E 2@4x
      Specification Teeth Figure D d H L
      DL-D1.0-50-2T-E 2 A 1.0 4 3 50
      DL-D1.5-50-2T-E 2 A 1.5 4 4 50
      DL-D2.0-50-2T-E 2 A 2.0 4 6 50
      DL-D2.5-50-2T-E 2 A 2.5 4 7 50
      DL-D3.0-50-2T-E 2 A 3.0 6 9 50
      DL-D4.0-50-2T-E 2 A 4.0 6 12 50
      DL-D5.0-50-2T-E 2 A 5.0 6 15 50
      DL-D6.0-60-2T-E 2 B 6.0 6 18 60
      DL-D8.0-60-2T-E 2 B 8.0 8 20 60
      DL-D10.0-75-2T-E 2 B 10.0 10 30 75
      DL-D12.0-75-2T-E 2 B 12.0 12 32 75
      DL-D16.0-100-2T-E 2 B 16.0 16 45 100
      DL-D20.0-100-2T-E 2 B 20.0 20 45 100
      Feature

      ■ Excellent chip evacuation and high efficiency.

      Work Piece Table  ◆ Excellent  ○ Good
      Work Piece
      Carbon Alloy steel Pre-hardened steel、Hardened steel Stainless Cast iron, Copper Aluminium Titanium Heat
      steel ~40HRC ~50HRC ~55HRC ~68HRC steel Nodular alloy alloy alloy resistant
      cast iron alloy
      ◆
      derek
      DL-2-EL / Square / Long / 2 Flutes
      DL-2-EL 1@4xDL-2-EL 2@4x
      Specification Teeth Figure D d H L
      DL-D3.0-60-2T-EL 2 A 3.0 6 12 60
      DL-D4.0-60-2T-EL 2 A 4.0 6 16 60
      DL-D5.0-60-2T-EL 2 A 5.0 6 20 60
      DL-D6.0-75-2T-EL 2 B 6.0 6 25 75
      DL-D8.0-75-2T-EL 2 B 8.0 8 32 75
      DL-D10.0-100-2T-EL 2 B 10.0 10 45 100
      DL-D12.0-100-2T-EL 2 B 12.0 12 45 100
      DL-D16.0-150-2T-EL 2 B 16.0 16 65 150
      DL-D20.0-150-2T-EL 2 B 20.0 20 75 150
      Work Piece Table  ◆ Excellent  ○ Good
      Work Piece
      Carbon Alloy steel Pre-hardened steel、Hardened steel Stainless Cast iron, Copper Aluminium Titanium Heat
      steel ~40HRC ~50HRC ~55HRC ~68HRC steel Nodular alloy alloy alloy resistant
      cast iron alloy
      ◆
      derek
      DL-3-E / Square / Standard / 3 Flutes
      DL-3-E 1@4xDL-3-E 2@4x
      Specification Teeth Figure D d H L
      DL-D1.0-50-3T-E 3 A 1.0 4 3 50
      DL-D1.5-50-3T-E 3 A 1.5 4 4 50
      DL-D2.0-50-3T-E 3 A 2.0 4 6 50
      DL-D2.5-50-3T-E 3 A 2.5 4 7 50
      DL-D3.0-50-3T-E 3 A 3.0 6 9 50
      DL-D4.0-50-3T-E 3 A 4.0 6 12 50
      DL-D5.0-50-3T-E 3 A 5.0 6 15 50
      DL-D6.0-60-3T-E 3 B 6.0 6 18 60
      DL-D8.0-60-3T-E 3 B 8.0 8 20 60
      DL-D10.0-75-3T-E 3 B 10.0 10 30 75
      DL-D12.0-75-3T-E 3 B 12.0 12 32 75
      DL-D16.0-100-3T-E 3 B 16.0 16 45 100
      DL-D20.0-100-3T-E 3 B 20.0 20 45 100
      Feature

      ■ Excellent cutting performance; Zero-shaking; High precision.

      Work Piece Table  ◆ Excellent  ○ Good
      Work Piece
      Carbon Alloy steel Pre-hardened steel、Hardened steel Stainless Cast iron, Copper Aluminium Titanium Heat
      steel ~40HRC ~50HRC ~55HRC ~68HRC steel Nodular alloy alloy alloy resistant
      cast iron alloy
      ◆
      derek
      DL-3-EL / Square / Long / 3 Flutes
      DL-3-EL 1@4xDL-3-EL 2@4x
      Specification Teeth Figure D d H L
      DL-D3.0-60-3T-EL 3 A 3.0 6 12 60
      DL-D4.0-60-3T-EL 3 A 4.0 6 16 60
      DL-D5.0-60-3T-EL 3 A 5.0 6 20 60
      DL-D6.0-75-3T-EL 3 B 6.0 6 25 75
      DL-D8.0-75-3T-EL 3 B 8.0 8 32 75
      DL-D10.0-100-3T-EL 3 B 10.0 10 45 100
      DL-D12.0-100-3T-EL 3 B 12.0 12 45 100
      DL-D16.0-150-3T-EL 3 B 16.0 16 65 150
      DL-D20.0-150-3T-EL 3 B 20.0 20 75 150
      Work Piece Table  ◆ Excellent  ○ Good
      Work Piece
      Carbon Alloy steel Pre-hardened steel、Hardened steel Stainless Cast iron, Copper Aluminium Titanium Heat
      steel ~40HRC ~50HRC ~55HRC ~68HRC steel Nodular alloy alloy alloy resistant
      cast iron alloy
      ◆
      derek
      DL-2-B / Ball / Standard / 2 Flutes
      DL-2-B 1@4xDL-2-B 2@4x
      Specification Teeth Figure D R d H L
      DL-R1.0-60-2T-B 2 A 2.0 1.0 6 4 60
      DL-R1.5-60-2T-B 2 A 3.0 1.5 6 6 60
      DL-R2.0-60-2T-B 2 A 4.0 2.0 6 8 60
      DL-R2.5-60-2T-B 2 A 5.0 2.5 6 10 60
      DL-R3.0-60-2T-B 2 B 6.0 3.0 6 12 60
      DL-R4.0-75-2T-B 2 B 8.0 4.0 8 16 75
      DL-R5.0-75-2T-B 2 B 10.0 5.0 10 20 75
      DL-R6.0-75-2T-B 2 B 12.0 6.0 12 24 75
      Feature

      ■ For profiling.

      Work Piece Table  ◆ Excellent  ○ Good
      Work Piece
      Carbon Alloy steel Pre-hardened steel、Hardened steel Stainless Cast iron, Copper Aluminium Titanium Heat
      steel ~40HRC ~50HRC ~55HRC ~68HRC steel Nodular alloy alloy alloy resistant
      cast iron alloy
      ◆
      derek
      DL-3-W / Square / Standard / 3 Flutes / Waving
      DL-3-W 1@4xDL-3-W 2@4x
      Specification Teeth D d H L
      DL-D6.0-50-3T-W 3 6.0 6 16 50
      DL-D8.0-60-3T-W 3 8.0 8 20 60
      DL-D10.0-75-3T-W 3 10.0 10 25 75
      DL-D12.0-75-3T-W 3 12.0 12 30 75
      DL-D16.0-100-3T-W 3 16.0 16 45 100
      DL-D20.0-100-3T-W 3 20.0 20 45 100
      Feature

      ■ For roughing.

      Work Piece Table  ◆ Excellent  ○ Good
      Work Piece
      Carbon Alloy steel Pre-hardened steel、Hardened steel Stainless Cast iron, Copper Aluminium Titanium Heat
      steel ~40HRC ~50HRC ~55HRC ~68HRC steel Nodular alloy alloy alloy resistant
      cast iron alloy
      ◆
      Frequently Asked Questions
      Q What is the difference between the DL-2-E (Standard) and DL-2-EL (Long) series end mills?
      The DL-2-E is a standard-length 2-flute square end mill suitable for general milling operations, while the DL-2-EL is the long-reach version of the same design. The EL series offers a greater flute length (H) and overall length (L), making it ideal for deeper cavity milling or applications requiring extended reach.
      Q When should I choose a 2-flute end mill over a 3-flute end mill?
      2-flute end mills (DL-2-E / DL-2-EL) provide larger chip gullets, making them ideal for materials that produce large chips and require excellent chip evacuation, such as aluminium alloys and non-ferrous metals. 3-flute end mills (DL-3-E / DL-3-EL) offer better surface finish and higher rigidity, making them more suitable for steel and harder materials where precision and zero-shaking performance are required.
      Q What is the DL-3-W Waving end mill designed for?
      The DL-3-W is a 3-flute square end mill with a waving (serrated/roughing) cutting edge. It is specifically designed for roughing operations, allowing for higher material removal rates with reduced cutting forces and vibration. It is best used as a first-pass tool before finishing with a standard end mill.
      Q What materials are the DL-2-B Ball end mills best suited for?
      The DL-2-B ball nose end mills are primarily recommended for aluminium alloy machining (rated ◆ Excellent), and are well suited for profiling, 3D contouring, and curved surface milling. They can also be used on carbon steel, alloy steel, and other common engineering materials for profiling applications.
      Q How do I read the product specification codes, for example DL-D6.0-60-3T-E?
      The specification code follows this format: DL = Derek brand; D6.0 = cutting diameter 6.0mm; 60 = overall length 60mm; 3T = 3 flutes (teeth); E = Square / Standard type. Suffix EL indicates Long type, B indicates Ball nose, and W indicates Waving (roughing) geometry.
      Q Can these end mills be used on hardened steel?
      The DL series end mills are designed primarily for general engineering materials including carbon steel, alloy steel, stainless steel, cast iron, copper alloy, and aluminium alloy. For hardened steel applications (up to ~68HRC), performance will vary by grade; please consult the Work Piece Table provided for each product series to confirm suitability before use, and consider appropriate cutting parameters and coatings for hard material machining.

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