eries Description: Micro Drill - Inverse Diameter
Unit (inch/mm): mm
Number of Flutes: 2
Primary Workpiece Material: (N) Non-Ferrous Materials
Secondary Workpiece Material: (S) High Temp Alloy
Size: 3.50mm
Cutting Diameter (DC) (Decimal Inch): 0.1378
Cutting Diameter (DC) (mm): 3.50
Shank Diameter (DCON) (Decimal Inch): 0.1250
Shank Diameter (DCON) (mm): 3.18
Flute Length (LCF) (Decimal Inch): 0.5000
Flute Length (LCF) (mm): 12.70
Overall Length (OAL) (Decimal Inch): 1.5000
Overall Length (OAL) (Fractional Inch): 1-1/2
Overall Length (OAL) (mm): 38.10
Shank Length (LS) (Decimal Inch): 1.0000
Point Angle (Degree): 130
Shank Diameter (DCON) Tolerance (ISO): h6
Shank Type: Straight
Coolant Option: External Coolant
Additional Geometry: Right Hand Cut Direction (RHC)
Helix Angle: Right Spiral
Helix Angle (Degree): 30
Center Cutting: No
Number of Margins: 1
KPT Micro Crossover (Old Material Number): 8502138
KPT Micro Crossover (Part Number): 155-1378.500
KPT Micro Crossover Type: Direct Match
Shipping Weight: 0.0130
Series: M155
US Stock: 67
Shank Length (LS) (mm): 25.40
Shank Diameter (DCON) (Fractional Inch): 1/8
Usable Length (LU) (Decimal Inch): 0.5000
Usable Length (LU) (mm): 12.70
Coating Description: Bright/Uncoated
Double Margins (Yes/No): No