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6ZJW4 Cobalt Jobber-Length Drill Bits

$3.31

Bulk orders will be discounted, please contact us.

These drill bits meet National Aerospace Specification (NAS) 907 Type J for drill bits used in aircraft repair and production. They have a TiN coating that protects them from wear and heat when drilling steel, stainless steel, and aluminum. They also have spiral flutes that evacuate chips as the bits drill into a workpiece.

Product Number: 6ZJW4

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  • Description
Mfr Model 54078
Measurement System Wire
Drill Bit Size #43
Decimal Equivalent 0.089
Maximum Drilling Depth 15/16 in
Overall Length 2-1/4 in
Shank Diameter 5/64 in
Shank Type Machining Straight
Finish Machining TiN
Material Machining Cobalt
Primary Material Application Stainless Steel; Steel
UNSPSC 27112801
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 1-1/4 in
Flute Type Spiral
Standards NAS 907 Type J
Series 55TN
Drill Bit Point Angle 135 °
Drill Bit Point Type Split Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 21° to 34°
Depth Dia Ratio 4xD
Primary Material Application ISO Code M; P
Material Grade Machining M42
Drill Length Class Jobber Length
Sheeter Drill No
Drill Point Length 0.0184 in
Shank Length 1 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in/-0.0005 in
Secondary Material Application Non Ferrous Metals
Secondary Material Application ISO Code K; N
Web Construction Split

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