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439W20 Cobalt Screw-Machine Length Drill Bits

$6.81

Bulk orders will be discounted, please contact us.

These drill bits have a straw/bronze finish that improves their wear resistance. Spiral-flute drill bits evacuate chips as the bits drill into a workpiece.

Product Number: 439W20

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  • Description
Mfr Model C14663
Measurement System Metric
Drill Bit Size 7.30 mm
Decimal Equivalent 0.2874
Overall Length 74.00 mm
Shank Diameter 7.3 mm
Shank Type Machining Straight
Finish Machining Straw/Bronze
Material Machining Cobalt
Primary Material Application Cast Iron; Stainless Steel; Steel
UNSPSC 27112801
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 34.00 mm
Flute Type Spiral
Standards DIN 1897
Drill Bit Point Angle 135 °
Drill Bit Point Type Split Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 28 °
Depth Dia Ratio 4xD
Primary Material Application ISO Code K; M; P
Material Grade Machining M42
Drill Length Class Screw Machine Length
Sheeter Drill No
Drill Point Length 0.0595 mm
Shank Length 40.00 mm
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0010 in
Secondary Material Application Non Ferrous Material
Secondary Material Application ISO Code M

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