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439X21 Cobalt Screw-Machine Length Drill Bits

$3.08

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: 439X21

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  • Description
Mfr Model C14835
Measurement System Metric
Drill Bit Size 2.20 mm
Decimal Equivalent 0.0866
Overall Length 30.00 mm
Shank Diameter 1.2 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 8.00 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 0.0098 mm
Shank Length 22.00 mm
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0005 in
Secondary Material Application Nickel; Titanium
Secondary Material Application ISO Code S

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