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    WCE4 • Series W421 • Radiused • 4 Flute • Cylindrical Shank • Inch

    WCE4 • Radiused • 4 Flute • Cylindrical Shank • Inch

    Material Number6945943

    ISO Catalog IDW421E07023RETANSI Catalog IDW421E07023RET

    W421 4FL RA SS IN Solid End Milling - 6945943 - WIDIA
    W421 4FL RA SS IN Solid End Milling - 6945943 - WIDIA
    W421 4FL RA SS IN Solid End Milling - 6945943 - WIDIA
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    W421 4FL RA SS IN Solid End Milling - 6945943 - WIDIA
    W421 4FL RA SS IN Solid End Milling - 6945943 - WIDIA
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    • P Steel
    • M Stainless Steel
    • K Cast Iron
    • S High-Temp Alloys
    • H Hardened Materials
    • Helical MillingHelical Milling
    • Ramping: BlankRamping: Blank
    • Slotting: Square EndSlotting: Square End
    • Side Milling/Shoulder Milling: Square EndSide Milling/Shoulder Milling: Square End
    • Corner Style: Corner RadiusCorner Style: Corner Radius
    • Shank - Cylindrical Plain ≤h6Shank - Cylindrical Plain ≤h6
    • Helix Angle: X°Helix Angle: X°
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    Drawings for 6945943
    Metric
    Inch
    Material Number6945943
    ISO Catalog IDW421E07023RET
    ANSI Catalog IDW421E07023RET
    GradeWU20PE
    Adapter Style Machine SideStraight-Cylindrical
    [D1] Effective Cutting Diameter6.35 mm
    [D1] Effective Cutting Diameter.25 in
    [D] Adapter / Shank / Bore Diameter6.35 mm
    [D] Adapter / Shank / Bore Diameter.25 in
    [AP1MAX] 1st Maximum Cutting Depth31.75 mm
    [AP1MAX] 1st Maximum Cutting Depth1.25 in
    [L] Overall Length 82.55 mm
    [L] Overall Length 3.25 in
    [Re] Corner Radius 0.762 mm
    [Re] Corner Radius .03 in
    [Z] Number of Flutes4
    See all Product Variants

    Workpiece Materials

    • Steel
    • Stainless Steel
    • Cast Iron
    • High-Temp Alloys
    • Hardened Materials

    Uses and application

    • Helical MillingHelical Milling
    • Ramping: BlankRamping: Blank
    • Slotting: Square EndSlotting: Square End
    • Side Milling/Shoulder Milling: Square EndSide Milling/Shoulder Milling: Square End
    • Corner Style: Corner RadiusCorner Style: Corner Radius
    • Shank - Cylindrical Plain ≤h6Shank - Cylindrical Plain ≤h6
    • Helix Angle: X°Helix Angle: X°

    Features and benefits

    • WU20PE Grade
    • Variable helix to reduce vibrations and increase overall stability
    • Asymmetrical pitch to cut harmonics and reduce vibrations
    • Eccentric relief to provide vibration dampening and increase tool life on Steel, Stainless Steel and Cast Iron materials
    • Core taper to increase tool stability and chip evacuation

    Create Solution to calculate Feeds and Speeds

    After creating a solution just choose the Feeds & Speeds icon and our system will provide recommendations. You can customize the information by adding your machine and specifications or make adjustments using the sliders.

    Tolerance

    Ae/D2%4%5%8%10%12%20%30%40%50%100%
    Speed FactorKv1.9 3.31.45 2.71.45 2.31.451.31.31.21.11.00.90.8
    Feed FactorKFz3.512.512.251.801.641.511.231.071.000.980.98
    Ae/D2%4%5%8%10%12%20%30%40%50%100%
    Speed FactorKv1,9 3,31,45 2,71,45 2,31,451,31,31,21,11,00,90,8
    Feed FactorKFz3,512,512,251,801,641,511,231,071,000,980,98
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    TG75 Series • Inch
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    HC-HSK Form A
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    1246521
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