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    High-Performance DP Series End Mills from China Suppliers | 2 & 4 Flute Options Available at Our Factory
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    High-Performance DP Series End Mills from China Suppliers | 2 & 4 Flute Options Available at Our Factory

    Introducing our high-quality square end mills, designed for precision machining across various applications. Our product range includes:, - DP-2-E: Square end mill, standard length, featuring 2 flutes for efficient cutting, - DP-2-EL: Square end mill, long length, equipped with 2 flutes for enhanced reach and versatility, - DP-4-E: Square end mill, standard length, with 4 flutes for improved chip removal and a smoother finish, - DP-4-EL: Square end mill, long length, boasting 4 flutes for optimal performance and productivity, - DP-4-G-E: Square end mill, standard length, with 4 flutes, ideal for various machining tasks, As a leading manufacturer and supplier based in China, our factory ensures that each tool meets rigorous quality standards, providing exceptional durability and performance. Choose our square end mills for reliable results in your machining projects
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      Product Detail

      derek DP-2-E / Square / Standard / 2 Flutes

      DP-2-E 1@4xDP-2-E 2@4x
      Specification Teeth Figure D d H L
      DP-D1.0S-50-2T-E 2 A 1.0 4 3 50
      DP-D1.5S-50-2T-E 2 A 1.5 4 4 50
      DP-D2.0S-50-2T-E 2 A 2.0 4 6 50
      DP-D2.5S-50-2T-E 2 A 2.5 4 8 50
      DP-D3.0S-50-2T-E 2 A 3.0 4 8 50
      DP-D4.0S-50-2T-E 2 B 4.0 4 11 50
      DP-D1.0-50-2T-E 2 A 1.0 6 3 50
      DP-D1.5-50-2T-E 2 A 1.5 6 4 50
      DP-D2.0-50-2T-E 2 A 2.0 6 6 50
      DP-D2.5-50-2T-E 2 A 2.5 6 8 50
      DP-D3.0-50-2T-E 2 A 3.0 6 8 50
      DP-D3.5-50-2T-E 2 A 3.5 6 10 50
      DP-D4.0-50-2T-E 2 A 4.0 6 11 50
      DP-D4.5-50-2T-E 2 A 4.5 6 11 50
      DP-D5.0-50-2T-E 2 A 5.0 6 13 50
      DP-D5.5-50-2T-E 2 A 5.5 6 16 50
      DP-D6.0-50-2T-E 2 B 6.0 6 16 50
      DP-D7.0-60-2T-E 2 A 7.0 8 20 60
      DP-D8.0-60-2T-E 2 B 8.0 8 20 60
      DP-D9.0-75-2T-E 2 A 9.0 10 22 75
      DP-D10.0-75-2T-E 2 B 10.0 10 25 75
      DP-D11.0-75-2T-E 2 A 11.0 12 26 75
      DP-D12.0-75-2T-E 2 B 12.0 12 30 75
      DP-D14.0-75-2T-E 2 B 14.0 14 32 75
      DP-D16.0-100-2T-E 2 B 16.0 16 45 100
      DP-D18.0-100-2T-E 2 B 18.0 18 45 100
      DP-D20.0-100-2T-E 2 B 20.0 20 45 100
      Work Piece Table (◎ Excellent ○ Good)
      Work Piece
      Carbon steel Alloy steel Pre-hardened steel、Hardened steel Stainless steel Cast iron, Nodular Copper alloy Aluminium alloy Titanium alloy Heat resistant alloy
      ~40HRC ~50HRC ~55HRC ~68HRC cast iron
      ◎ ◎ ◎ ◎ ◎ ○ ◎

      derek DP-2-EL / Square / Long / 2 Flutes

      DP-2-EL 1@4xDP-2-EL 2@4x
      Specification Teeth Figure D d H L
      DP-D3.0-75-2T-EL 2 A 3.0 6 12 75
      DP-D4.0-75-2T-EL 2 A 4.0 6 15 75
      DP-D5.0-75-2T-EL 2 A 5.0 6 20 75
      DP-D6.0-75-2T-EL 2 B 6.0 6 20 75
      DP-D8.0-100-2T-EL 2 B 8.0 8 25 100
      DP-D10.0-100-2T-EL 2 B 10.0 10 30 100
      DP-D12.0-100-2T-EL 2 B 12.0 12 35 100
      DP-D14.0-100-2T-EL 2 B 14.0 14 40 100
      DP-D16.0-150-2T-EL 2 B 16.0 16 50 150
      DP-D20.0-150-2T-EL 2 B 20.0 20 55 150
      Work Piece Table (◎ Excellent ○ Good)
      Work Piece
      Carbon steel Alloy steel Pre-hardened steel、Hardened steel Stainless steel Cast iron, Nodular Copper alloy Aluminium alloy Titanium alloy Heat resistant alloy
      ~40HRC ~50HRC ~55HRC ~68HRC cast iron
      ◎ ◎ ◎ ◎ ◎ ○ ◎

      derek DP-4-E / Square / Standard / 4 Flutes

      DP-4-E 1@4xDP-4-E @4x
      Specification Teeth Figure D d H L
      DP-D1.0S-50-4T-E 4 A 1.0 4 3 50
      DP-D1.5S-50-4T-E 4 A 1.5 4 4 50
      DP-D2.0S-50-4T-E 4 A 2.0 4 6 50
      DP-D2.5S-50-4T-E 4 A 2.5 4 8 50
      DP-D3.0S-50-4T-E 4 A 3.0 4 8 50
      DP-D4.0S-50-4T-E 4 B 4.0 4 11 50
      DP-D1.0-50-4T-E 4 A 1.0 6 3 50
      DP-D1.5-50-4T-E 4 A 1.5 6 4 50
      DP-D2.0-50-4T-E 4 A 2.0 6 6 50
      DP-D2.5-50-4T-E 4 A 2.5 6 8 50
      DP-D3.0-50-4T-E 4 A 3.0 6 8 50
      DP-D3.5-50-4T-E 4 A 3.5 6 10 50
      DP-D4.0-50-4T-E 4 A 4.0 6 11 50
      DP-D4.5-50-4T-E 4 A 4.5 6 11 50
      DP-D5.0-50-4T-E 4 A 5.0 6 13 50
      DP-D5.5-50-4T-E 4 A 5.5 6 16 50
      DP-D6.0-50-4T-E 4 B 6.0 6 16 50
      DP-D7.0-60-4T-E 4 A 7.0 8 20 75
      DP-D8.0-60-4T-E 4 B 8.0 8 20 75
      DP-D9.0-75-4T-E 4 A 9.0 10 22 75
      DP-D10.0-75-4T-E 4 B 10.0 10 25 75
      DP-D11.0-75-4T-E 4 A 11.0 12 26 75
      DP-D12.0-75-4T-E 4 B 12.0 12 30 75
      DP-D14.0-75-4T-E 4 B 14.0 14 32 75
      DP-D16.0-100-4T-E 4 B 16.0 16 45 100
      DP-D18.0-100-4T-E 4 B 18.0 18 45 100
      DP-D20.0-100-4T-E 4 B 20.0 20 45 100
      Work Piece Table (◎ Excellent ○ Good)
      Work Piece
      Carbon steel Alloy steel Pre-hardened steel、Hardened steel Stainless steel Cast iron, Nodular Copper alloy Aluminium alloy Titanium alloy Heat resistant alloy
      ~40HRC ~50HRC ~55HRC ~68HRC cast iron
      ◎ ◎ ◎ ◎ ◎ ○ ◎

      derek DP-4-EL / Square / Long / 4 Flutes

      DP-4-EL 1@4xDP-4-EL 2@4x
      Specification Teeth Figure D d H L
      DP-D3.0-75-4T-EL 4 A 3.0 6 12 75
      DP-D4.0-75-4T-EL 4 A 4.0 6 15 75
      DP-D5.0-75-4T-EL 4 A 5.0 6 20 75
      DP-D6.0-75-4T-EL 4 B 6.0 6 20 75
      DP-D8.0-100-4T-EL 4 B 8.0 8 25 100
      DP-D10.0-100-4T-EL 4 B 10.0 10 30 100
      DP-D12.0-100-4T-EL 4 B 12.0 12 35 100
      DP-D14.0-100-4T-EL 4 B 14.0 14 40 100
      DP-D16.0-150-4T-EL 4 B 16.0 16 50 150
      DP-D20.0-150-4T-EL 4 B 20.0 20 55 150
      Work Piece Table (◎ Excellent ○ Good)
      Work Piece
      Carbon steel Alloy steel Pre-hardened steel、Hardened steel Stainless steel Cast iron, Nodular Copper alloy Aluminium alloy Titanium alloy Heat resistant alloy
      ~40HRC ~50HRC ~55HRC ~68HRC cast iron
      ◎ ◎ ◎ ◎ ◎ ○ ◎

      derek DP-4-G-E / Square / Standard / 4 Flutes

      DP-4-G-E 1@4xDP-4-G-E 2@4x
      Specification Teeth Figure D d H L
      DP-D1.0S-50-4T-G-E 4 A 1.0 4 3 50
      DP-D1.5S-50-4T-G-E 4 A 1.5 4 4 50
      DP-D2.0S-50-4T-G-E 4 A 2.0 4 6 50
      DP-D2.5S-50-4T-G-E 4 A 2.5 4 8 50
      DP-D3.0S-50-4T-G-E 4 A 3.0 4 8 50
      DP-D4.0S-50-4T-G-E 4 B 4.0 4 11 50
      DP-D1.0-50-4T-G-E 4 A 1.0 6 3 50
      DP-D1.5-50-4T-G-E 4 A 1.5 6 4 50
      DP-D2.0-50-4T-G-E 4 A 2.0 6 6 50
      DP-D2.5-50-4T-G-E 4 A 2.5 6 8 50
      DP-D3.0-50-4T-G-E 4 A 3.0 6 8 50
      DP-D3.5-50-4T-G-E 4 A 3.5 6 10 50
      DP-D4.0-50-4T-G-E 4 A 4.0 6 11 50
      DP-D4.5-50-4T-G-E 4 A 4.5 6 11 50
      DP-D5.0-50-4T-G-E 4 A 5.0 6 13 50
      DP-D5.5-50-4T-G-E 4 A 5.5 6 16 50
      DP-D6.0-50-4T-G-E 4 B 6.0 6 16 50
      DP-D7.0-60-4T-G-E 4 A 7.0 8 20 75
      DP-D8.0-60-4T-G-E 4 B 8.0 8 20 75
      DP-D9.0-75-4T-G-E 4 A 9.0 10 22 75
      DP-D10.0-75-4T-G-E 4 B 10.0 10 25 75
      DP-D11.0-75-4T-G-E 4 A 11.0 12 26 75
      DP-D12.0-75-4T-G-E 4 B 12.0 12 30 75
      DP-D14.0-75-4T-G-E 4 B 14.0 14 32 75
      DP-D16.0-100-4T-G-E 4 B 16.0 16 45 100
      DP-D18.0-100-4T-G-E 4 B 18.0 18 45 100
      DP-D20.0-100-4T-G-E 4 B 20.0 20 45 100
      Work Piece Table (◎ Excellent ○ Good)
      Work Piece
      Carbon steel Alloy steel Pre-hardened steel、Hardened steel Stainless steel Cast iron, Nodular Copper alloy Aluminium alloy Titanium alloy Heat resistant alloy
      ~40HRC ~50HRC ~55HRC ~68HRC cast iron
      ◎ ◎ ◎ ◎ ◎ ○ ◎

      derek DP-4-G-EL / Square / Long / 4 Flutes

      DP-4-G-EL 1@4xDP-4-G-EL 2@4x
      Specification Teeth Figure D d H L
      DP-D3.0-75-4T-G-EL 4 A 3.0 6 12 75
      DP-D4.0-75-4T-G-EL 4 A 4.0 6 15 75
      DP-D5.0-75-4T-G-EL 4 A 5.0 6 20 75
      DP-D6.0-75-4T-G-EL 4 B 6.0 6 20 75
      DP-D8.0-100-4T-G-EL 4 B 8.0 8 25 100
      DP-D10.0-100-4T-G-EL 4 B 10.0 10 30 100
      DP-D12.0-100-4T-G-EL 4 B 12.0 12 35 100
      DP-D14.0-100-4T-G-EL 4 B 14.0 14 40 100
      DP-D16.0-150-4T-G-EL 4 B 16.0 16 50 150
      DP-D20.0-150-4T-G-EL 4 B 20.0 20 55 150
      Work Piece Table (◎ Excellent ○ Good)
      Work Piece
      Carbon steel Alloy steel Pre-hardened steel、Hardened steel Stainless steel Cast iron, Nodular Copper alloy Aluminium alloy Titanium alloy Heat resistant alloy
      ~40HRC ~50HRC ~55HRC ~68HRC cast iron
      ◎ ◎ ◎ ◎ ◎ ○ ◎

      derek DP-2-B / Ball / Standard / 2 Flutes

      DP-2-B 1@4xDP-2-B 2@4x
      Specification Teeth Figure D R d H L
      DP-R0.5S-50-2T-B 2 A 1.0 0.5 4 2 50
      DP-R0.75S-50-2T-B 2 A 1.5 0.75 4 3 50
      DP-R1.0S-50-2T-B 2 A 2.0 1.0 4 4 50
      DP-R1.25S-50-2T-B 2 A 2.5 1.25 4 5 50
      DP-R1.5S-50-2T-B 2 A 3.0 1.5 4 6 50
      DP-R2.0S-50-2T-B 2 B 4.0 2.0 4 8 50
      DP-R0.5-50-2T-B 2 A 1.0 0.5 6 2 50
      DP-R0.75-50-2T-B 2 A 1.5 0.75 6 3 50
      DP-R1.0-50-2T-B 2 A 2.0 1.0 6 4 50
      DP-R1.25-50-2T-B 2 A 2.5 1.25 6 5 50
      DP-R1.5-50-2T-B 2 A 3.0 1.5 6 6 50
      DP-R1.75-50-2T-B 2 A 3.5 1.75 6 8 50
      DP-R2.0-50-2T-B 2 A 4.0 2.0 6 8 50
      DP-R2.5-50-2T-B 2 A 5.0 2.5 6 10 50
      DP-R2.75-50-2T-B 2 A 5.5 2.75 6 12 50
      DP-R3.0-50-2T-B 2 B 6.0 3.0 6 12 50
      DP-R3.5-60-2T-B 2 A 7.0 3.5 8 14 60
      DP-R4.0-60-2T-B 2 B 8.0 4.0 8 16 60
      DP-R4.5-75-2T-B 2 A 9.0 4.5 10 18 75
      DP-R5.0-75-2T-B 2 B 10.0 5.0 10 20 75
      DP-R6.0-75-2T-B 2 B 12.0 6.0 12 24 75
      DP-R7.0-75-2T-B 2 B 14.0 7.0 14 28 75
      DP-R8.0-100-2T-B 2 B 16.0 8.0 16 32 100
      DP-R10.0-100-2T-B 2 B 20.0 10.0 20 40 100
      Work Piece Table (◎ Excellent ○ Good)
      Work Piece
      Carbon steel Alloy steel Pre-hardened steel、Hardened steel Stainless steel Cast iron, Nodular Copper alloy Aluminium alloy Titanium alloy Heat resistant alloy
      ~40HRC ~50HRC ~55HRC ~68HRC cast iron
      ◎ ◎ ◎ ◎ ◎ ○ ◎

      derek DP-2-BL / Ball / Long / 2 Flutes

      DP-2-BL 1@4xDP-2-BL 2@4x
      Specification Teeth Figure D R d H L
      DP-R1.0-75-2T-BL 2 A 2.0 1.0 6 4 75
      DP-R1.25-75-2T-BL 2 A 2.5 1.25 6 5 75
      DP-R1.5-75-2T-BL 2 A 3.0 1.5 6 6 75
      DP-R1.75-75-2T-BL 2 A 3.5 1.75 6 8 75
      DP-R2.0-75-2T-BL 2 A 4.0 2.0 6 8 75
      DP-R2.5-75-2T-BL 2 A 5.0 2.5 6 10 75
      DP-R2.75-75-2T-BL 2 A 5.5 2.75 6 12 75
      DP-R3.0-75-2T-BL 2 B 6.0 3.0 6 12 75
      DP-R3.5-75-2T-BL 2 A 7.0 3.5 8 14 75
      DP-R4.0-100-2T-BL 2 B 8.0 4.0 8 16 100
      DP-R4.5-100-2T-BL 2 A 9.0 4.5 10 18 100
      DP-R5.0-100-2T-BL 2 B 10.0 5.0 10 20 100
      DP-R6.0-100-2T-BL 2 B 12.0 6.0 12 24 100
      DP-R7.0-100-2T-BL 2 B 14.0 7.0 14 28 100
      DP-R8.0-150-2T-BL 2 B 16.0 8.0 16 32 150
      DP-R10.0-150-2T-BL 2 B 20.0 10.0 20 40 150
      Work Piece Table (◎ Excellent ○ Good)
      Work Piece
      Carbon steel Alloy steel Pre-hardened steel、Hardened steel Stainless steel Cast iron, Nodular Copper alloy Aluminium alloy Titanium alloy Heat resistant alloy
      ~40HRC ~50HRC ~55HRC ~68HRC cast iron
      ◎ ◎ ◎ ◎ ◎ ○ ◎

      derek DP-2-R / Corner Radius / Standard / 2 Flutes

      DP-2-R 1@4xDP-2-R 2@4x
      Specification Teeth Figure D R d H L
      DP-D1.0R0.2-50-2T-R 2 A 1.0 0.2 4 3 50
      DP-D1.5R0.2-50-2T-R 2 A 1.5 0.2 4 4 50
      DP-D2.0R0.2-50-2T-R 2 A 2.0 0.2 4 6 50
      DP-D2.0R0.5-50-2T-R 2 A 2.0 0.5 4 6 50
      DP-D2.5R0.2-50-2T-R 2 A 2.5 0.2 4 8 50
      DP-D2.5R0.5-50-2T-R 2 A 2.5 0.5 4 8 50
      DP-D3.0R0.2-50-2T-R 2 A 3.0 0.2 4 8 50
      DP-D3.0R0.3-50-2T-R 2 A 3.0 0.3 4 8 50
      DP-D3.0R0.5-50-2T-R 2 A 3.0 0.5 4 8 50
      DP-D4.0R0.2-50-2T-R 2 B 4.0 0.2 4 11 50
      DP-D4.0R0.3-50-2T-R 2 B 4.0 0.3 4 11 50
      DP-D4.0R0.5-50-2T-R 2 B 4.0 0.5 4 11 50
      DP-D4.0R1.0-50-2T-R 2 B 4.0 1.0 4 11 50
      DP-D5.0R0.3-50-2T-R 2 A 5.0 0.3 6 13 50
      DP-D5.0R0.5-50-2T-R 2 A 5.0 0.5 6 13 50
      DP-D5.0R1.0-50-2T-R 2 A 5.0 1.0 6 13 50
      DP-D6.0R0.3-50-2T-R 2 B 6.0 0.3 6 16 50
      DP-D6.0R0.5-50-2T-R 2 B 6.0 0.5 6 16 50
      DP-D6.0R1.0-50-2T-R 2 B 6.0 1.0 6 16 50
      DP-D8.0R0.3-60-2T-R 2 B 8.0 0.3 8 20 60
      DP-D8.0R0.5-60-2T-R 2 B 8.0 0.5 8 20 60
      DP-D8.0R1.0-60-2T-R 2 B 8.0 1.0 8 20 60
      DP-D10.0R0.5-75-2T-R 2 B 10.0 0.5 10 25 75
      DP-D10.0R1.0-75-2T-R 2 B 10.0 1.0 100 25 75
      DP-D10.0R1.5-75-2T-R 2 B 10.0 1.5 10 25 75
      DP-D10.0R2.0-75-2T-R 2 B 10.0 2.0 10 25 75
      DP-D12.0R0.5-75-2T-R 2 B 12.0 0.5 12 30 75
      DP-D12.0R1.0-75-2T-R 2 B 12.0 1.0 12 30 82
      DP-D12.0R1.5-75-2T-R 2 B 12.0 1.5 12 30 82
      DP-D12.0R2.0-75-2T-R 2 B 12.0 2.0 12 30 82
      Work Piece Table (◎ Excellent ○ Good)
      Work Piece
      Carbon steel Alloy steel Pre-hardened steel、Hardened steel Stainless steel Cast iron, Nodular Copper alloy Aluminium alloy Titanium alloy Heat resistant alloy
      ~40HRC ~50HRC ~55HRC ~68HRC cast iron
      ◎ ◎ ◎ ◎ ◎ ○ ◎

      derek DP-4-R / Corner Radius / Standard / 4 Flutes

      DP-4-R 1@4xDP-4-R 2@4x
      Specification Teeth Figure D R d H L
      DP-D3.0R0.2-50-4T-R 4 A 3.0 0.2 6 8 50
      DP-D4.0R0.3-50-4T-R 4 B 4.0 0.3 6 10 50
      DP-D4.0R0.5-50-4T-R 4 B 4.0 0.5 6 10 50
      DP-D5.0R0.5-50-4T-R 4 A 5.0 0.5 6 13 50
      DP-D5.0R1.0-50-4T-R 4 A 5.0 1.0 6 13 50
      DP-D6.0R0.5-50-4T-R 4 B 6.0 0.5 6 16 50
      DP-D6.0R1.0-50-4T-R 4 B 6.0 1.0 6 16 50
      DP-D8.0R0.5-60-4T-R 4 B 8.0 0.5 8 20 60
      DP-D8.0R1.0-60-4T-R 4 B 8.0 1.0 8 20 60
      DP-D10.0R0.5-75-4T-R 4 B 10.0 0.5 10 25 75
      DP-D10.0R1.0-75-4T-R 4 B 10.0 1.0 10 25 75
      DP-D10.0R2.0-75-4T-R 4 B 10.0 2.0 10 25 75
      DP-D10.0R3.0-75-4T-R 4 B 10.0 3.0 10 25 75
      DP-D12.0R0.5-75-4T-R 4 B 12.0 0.5 12 30 75
      DP-D12.0R1.0-75-4T-R 4 B 12.0 1.0 12 30 82
      DP-D12.0R2.0-75-4T-R 4 B 12.0 2.0 12 30 82
      DP-D12.0R3.0-75-4T-R 4 B 12.0 3.0 12 30 82
      Work Piece Table (◎ Excellent ○ Good)
      Work Piece
      Carbon steel Alloy steel Pre-hardened steel、Hardened steel Stainless steel Cast iron, Nodular Copper alloy Aluminium alloy Titanium alloy Heat resistant alloy
      ~40HRC ~50HRC ~55HRC ~68HRC cast iron
      ◎ ◎ ◎ ◎ ◎ ○ ◎

      Frequently Asked Questions (FAQ)

      What are the primary applications of Derek DP series Carbide End Mills?
      Derek DP series carbide end mills are engineered for high-efficiency milling across a wide range of materials. They deliver outstanding performance (◎) on carbon steel, alloy steel, pre-hardened steel, hardened steel (up to 55HRC), and nodular cast iron, and provide good results (○) when processing stainless steel.
      What is the difference between 2-flute (DP-2) and 4-flute (DP-4) end mills?
      2-flute end mills feature larger flute valleys, making them excellent for chip evacuation during slotting and pocketing operations. 4-flute end mills offer higher core rigidity and more cutting edges, which reduces tool deflection and yields a significantly finer surface finish during peripheral milling and profiling.
      When should I choose the Long (EL/BL) series over the Standard series?
      The Long series (EL for square end mills, BL for ball nose) is designed specifically for deep-cavity milling and reaching recessed areas. Because the extended length reduces structural rigidity, cutting speeds and feed rates should be adjusted appropriately to avoid tool deflection or breakage.
      What are the benefits of the Corner Radius (DP-R) design?
      Corner radius end mills combine the strength of a ball nose with the cutting capacity of a square end mill. The rounded corners distribute cutting forces more evenly, significantly reducing the risk of edge chipping, extending tool life, and allowing for precise radius profiles at the bottom of pockets.
      How do I interpret the product specification codes?
      In a code like DP-D3.0R0.5-75-4T-R: "D3.0" indicates a cutting diameter of 3.0mm, "R0.5" indicates a corner radius of 0.5mm, "75" represents the total tool length (L) of 75mm, "4T" indicates 4 teeth (flutes), and "R" stands for Corner Radius type. "S" typically denotes a short or standard flute length variant.

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