T&O 4mm 135° Split Point Cobalt Right Hand Screw Machine Drill

T&O 4mm 135° Split Point Cobalt Right Hand Screw Machine Drill

Item #: 01-070-640
Brand: T&O
Size Type: Metric
Size: 4mm
Drill Point Angle: 135°

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Works well on titanium and inconel due to its high heat resistance


  • Shorter length offers increased rigidity for machine drilling a variety of materials and alloys.
  • Split point design is self-centering and helps to reduce the thrust requirements.


  • For drilling steel, cast steel, cast iron, other alloys or non-alloyed ferrous materials & a variety of non-ferrous and non-metallic materials.


  • Package quantity: 10 pieces
Product Specifications
Brand T&O
Size Type Metric
Size 4mm
Drill Point Angle 135°
Tool Material Cobalt
Finish Coating Bright Finish
Cutting Direction Right Hand
Point Sharpening Type Split Point
Decimal Size 0.1575"
Drill Type Multi Application
Flute Length 22mm
Flute Shape Standard Spiral, Helical Flute
Grade Heavy Duty
Helix Angle 33°
Helix Direction Right Hand
Industry Standard Din 1897
Length Style Stub
No. of Flutes 2
Overall Length 55mm
Qty Per Package 10
Shank Style Straight Shank
Single or Double End Single
Surface Hardness 64 to 67 Rc
Taper Per Side T&O 4mm 135° Split Point Cobalt Right Hand Screw Machine Drill
Tolerance_Cutting Diameter h8
Tolerance_Flute Length DIN
Tolerance_Overall Length DIN
Tolerance_TIR 0.17 MAX
Weight 0.02
Workpiece Material Wide variety of ferrous and non-ferrous materials including titanium and inconel
Country of Origin Import

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