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434C78 NAS-Spec Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits for Aerospace

$5.07

Bulk orders will be discounted, please contact us.

These drill bits meet National Aerospace Specification (NAS) 907 Type B. They have a TiCN coating that protects them from wear and is harder and more wear-resistant than a TiN coating.

Product Number: 434C78

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  • Description
Mfr Model 43687
Measurement System Wire
Drill Bit Size #17
Decimal Equivalent 0.173
Maximum Drilling Depth 11/16 in
Overall Length 3-3/8 in
Shank Type Machining Straight
Finish Machining TiCN
Material Machining High Speed Steel
Primary Material Application Cast Iron; Stainless Steel; Steel; Titanium; Tool and Die Steel
UNSPSC 27112801
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 2-3/16 in
Flute Type Spiral
Standards ANSI; NAS 907 Type B
Series 150ASP-TC
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
Shank Dia 11/64 in
Primary Material Application ISO Code K; M; P; S
Material Grade Machining High Performance
Drill Length Class Jobber Length
Drill Point Length 0.0358 in
Shank Length 1-3/16 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0007 in

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