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APOLLO Variable Helix Corner Radius End Mills

APOLLO Variable Helix Corner Radius End Mills

Excellent for Alloy Steel, Nickel Inconel Alloys, Stainless and Carbon Steel

APOLLO Features and Benefits

  • Unequal flute design for greater chatter resistance
  • Great for roughing and finishing
  • High performance AICrN coating for tool wear resistance
  • Better performance at higher speeds and feeds
  • Unique honing technology
  • Available in 4 and 5 flute designs

    Chatter Resistance With Unique Variable Helix Design

    High Quality Surface Finish without Chattering

    High Performance AICrN Coating Improves Wear And Chipping Resistance

    High Performance AlCrN Coating Improves Wear and Chipping Resistance

    Long Tool Life And Stable Machining

    Edge Condition After Machining

    Edge Condition After Machining Graph
    Case Studies

    APOLLO End Mills - Inch Sizes (4 Flutes)

    APOLLO End Mills - Inch Sizes (4 Flute)

    Stub Length Dimensions (Inch Size)

    Part Number Cutting Diameter Shank Diameter Overall Length Length of Cut Corner Radius
    ØDc ØDs L L1 r
    AP4-2500.500 0.2500 (1/4) 1/4 2 1/2 0.015 - 0.020
    AP4-3125.500 0.3125 (5/16) 5/16 2 1/2 0.015 - 0.020
    AP4-3750.625 0.3750 (3/8) 3/8 2 5/8 0.015 - 0.020
    AP4-5000.625 0.5000 (1/2) 1/2 2-1/2 5/8 0.025 - 0.030
    AP4-6250.750 0.6250 (5/8) 5/8 3 3/4 0.030 - 0.035
    AP4-7500.1000 0.7500 (3/4) 3/4 3 1 0.030 - 0.035


    Standard Length Dimensions     (Inch Size)

    Part Number Cutting Diameter Shank Diameter Overall Length Length of Cut Corner Radius
    ØDc ØDs L L1 r
    AP4-1250.500 0.1250 (1/8) 1/8 1-1/2 1/2 0.010 - 0.015
    AP4-1875.625 0.1875 (3/16) 3/16 2 5/8 0.015 - 0.020
    AP4-2500.750 0.2500 (1/4) 1/4 2-1/2 3/4 0.015 - 0.020
    AP4-3125.813 0.3125 (5/16) 5/16 2-1/2 13/16 0.015 - 0.020
    AP4-3750.1000 0.3750 (3/8) 3/8 2-1/2 1 0.015 - 0.020
    AP4-4375.1000 0.4375 (7/16) 7/16 2-3/4 1 0.015 - 0.020
    AP4-5000.1000 0.5000 (1/2) 1/2 3 1 0.025 - 0.030
    AP4-6250.1250 0.6250 (5/8) 5/8 3-1/2 1-1/4 0.030 - 0.035
    AP4-7500.1500 0.7500 (3/4) 3/4 4 1-1/2 0.030 - 0.035
    AP4-10000.1500 1.0000 (1) 1 4 1-1/2 0.030 - 0.035


    Long Length Dimensions     (Inch Size)

    Part Number Cutting Diameter Shank Diameter Overall Length Length of Cut Corner Radius
    ØDc ØDs L L1 r
    AP4-2500.1125 0.2500 (1/4) 1/4 3 1-1/8 0.015 - 0.020
    AP4-3125.1125 0.3125 (5/16) 5/16 3 1-1/8 0.015 - 0.020
    AP4-3750.1125 0.3750 (3/8) 3/8 3 1-1/8 0.015 - 0.020
    AP4-5000.2000 0.5000 (1/2) 1/2 4 2 0.025 - 0.030
    AP4-6250.2250 0.6250 (5/8) 5/8 5 2-1/4 0.030 - 0.035
    AP4-7500.2250 0.4375 (7/16) 7/16 5 2-1/4 0.030 - 0.035



    APOLLO End Mills - Metric Sizes (4 Flutes)

    APOLLO End Mills - Metric Sizes (4 Flute)

    Stub Length Dimensions (Metric Size)

    Part Number Cutting Diameter Shank Diameter Overall Length Length of Cut Corner Radius
    ØDc h10 ØDs h6 L L1 r
    AP4M-1181.236 3 3 38 6 0.4
    AP4M-2362.394 6 6 50 10 0.4
    AP4M-3150.472 8 8 50 12 0.4
    AP4M-3937.787 10 10 50 12 0.4
    AP4M-4724.630 12 12 63 16 0.7
    AP4M-6299.787 16 16 89 20 0.7
    AP4M-7874.866 20 20 100 22 0.7


    Standard Length Dimensions     (Metric Size)

    Part Number Cutting Diameter Shank Diameter Overall Length Length of Cut Corner Radius
    ØDc h10 ØDs h6 L L1 r
    AP4M-1575.551 4 4 50 14 0.4
    AP4M-2362.787 6 6 63 20 0.4
    AP4M-3150.787 8 8 63 20 0.4
    AP4M-3937.984 10 10 70 25 0.4
    AP4M-4724.984 12 12 75 25 0.6
    AP4M-6299.1260 16 16 89 32 0.7
    AP4M-7874.1496 20 20 100 38 0.7
    AP4M-9843.1496 25 25 100 38 0.7

    Long Length Dimensions (Metric Size)

    Part Number Cutting Diameter Shank Diameter Overall Length Length of Cut Corner Radius
    ØDc h10 ØDs h6 L L1 r
    AP4M-2362.984 6 6 75 25 0.4
    AP4M-3150.984 8 8 75 25 0.4
    AP4M-3937.1181 10 10 75 30 0.4
    AP4M-4724.1969 12 12 100 50 0.6
    AP4M-5511.1969 14 14 125 50 0.6
    AP4M-6299.1969 16 16 125 50 0.7
    AP4M-7087.1969 18 18 125 50 0.7
    AP4M-7874.1969 20 20 125 50 0.8
    AP4M-9843.1969 25 25 125 50 0.8

    L1 dimension refers to the Max. Length of Cut.

    APOLLO End Mills - Inch / Metric Sizes (5 Flutes)

    APOLLO End Mills - Inch Sizes (5 Flute)
    Part Number Cutting Diameter Shank Diameter Overall Length Length of Cut Corner Radius
    ØDc ØDs L L1 r
    AP5-2500.750 0.2500 (1/4) 1/4 2-1/2 3/4 0.015 - 0.020
    AP5-3750.1000 0.3750 (3/8) 3/8 2-1/2 1 0.015 - 0.020
    AP5-5000.1000 0.5000 (1/2) 1/2 3 1 0.025 - 0.030
    AP5-6250.1250 0.6250 (5/8) 5/8 3-1/2 1-1/4 0.030 - 0.035
    AP5-7500.1500 0.7500 (3/4) 3/4 4 1-1/2 0.030 - 0.035
    AP5-10000.1500 1.0000 (1) 1 4 1-1/2 0.030 - 0.035

    L1 dimension refers to the Max. Length of Cut.

    APOLLO End Mills - Metric Sizes (5 Flute)

    Standard Length Dimensions (Metric Size)

    Part Number Cutting Diameter Shank Diameter Overall Length Length of Cut Corner Radius
    ØDc h10 ØDs h6 L L1 r
    AP5M-1575.551 4 4 50 14 0.4
    AP5M-2362.787 6 6 63 20 0.4
    AP5M-3150.787 8 8 63 20 0.4
    AP5M-3937.984 10 10 70 25 0.4
    AP5M-4724.984 12 12 75 25 0.6
    AP5M-6299.1260 16 16 89 32 0.7
    AP5M-7874.1496 20 20 100 38 0.7
    AP5M-9843.1496 25 25 100 38 0.7

    L1 dimension refers to the Max. Length of Cut.

    Recommended Cutting Conditions