• KOC
KOC
Commodity Brief
Spot Drills 90˚/120˚
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Nearly 2um runout in the center can get high stability when Positioning,and then improve the life of the drill bit.
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Positioning and chamfering can be completed at one tool.
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Use AlTiCrN coating to prolong tool life.

    Product Introduction

     
    Carbon SteelAlloy SteelPrehardened SteelStainless SteelAluminum AlloyCopperResinGraphiteHard Brittle MaterialHeat Resistant AlloyHardened Steel

    40HRC

    50HRC
     
     
    Code No.
    KOC
    (θ˚)
    Angel
    (D)
    Dia.
    (h)
    Length of Cut
    (t)
    Flute
    (d)
    Shank Dia.
    (L)
    Overall Length
    3-030-9090˚362350
    4-040-9090˚482450
    5-050-9090˚5102550
    6-060-9090˚6122650
    8-080-9090˚8162860
    10-100-9090˚102021075
    12-120-9090˚122421275
    16-160-9090˚1632216100
           
    3-030-120120˚362350
    4-040-120120˚482450
    5-050-120120˚5102550
    6-060-120120˚6122650
    8-080-120120˚8162860
    10-100-120120˚102021075
    12-120-120120˚122421275
    16-160-120120˚1632216100
    Description of icons
    1
    Helix Angle
    • Left 11°
    • Left 20°
    • 12°
    • 20°
    • 25°
    • 30°
    • 35°
    • 35°/38°
    • 37°
    • 40°
    • 40°/42°
    • 45°
    • 50°
    2
    Applications
    • Side milling
    • Slotting
    • 3D milling
    • Face milling
    • Pluging
    • Drilling
    • Thead milling
    • C chamfering
    • R chamfering
    3
    Number of FluteFlute number of end mill
    • 1-flute
    • 2-flute
    • 3-flute
    • 4-flute
    • 6-flute
    • 8-flute
    • 10-flute
    4
    Possibility for material Hardness
    • Possible to cut up to 55HRC
    • Possible to cut up to 62HRC
    • Possible to cut up to 65HRC
    • Possible to cut up to 68HRC
    • Possible to cut up to 70HRC
    5
    Corner
    • Sharp edge
    • Corner edge