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435J90 NAS-Spec Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits for Aerospace

$2.97

Bulk orders will be discounted, please contact us.

These drill bits meet National Aerospace Specification (NAS) 907 Type A. They have a bright finish that is not affected when their cutting edges are resharpened.

Product Number: 435J90

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  • Description
Mfr Model C73412
Measurement System Fractional Inch
Drill Bit Size 1/4 in
Decimal Equivalent 0.25
Maximum Drilling Depth 1 in
Overall Length 4 in
Shank Type Machining Straight
Finish Machining Bright (Uncoated)
Material Machining High Speed Steel
Primary Material Application Aluminum; Brass; Bronze; Copper; Steel
UNSPSC 27112801
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 2-3/4 in
Flute Type Spiral
Standards NAS 907 Type A
Series 2228
Drill Bit Point Angle 118 °
Drill Bit Point Type Split Point
Number of Flutes 2
Spiral Direction Right Hand
Helix Angle 21° to 34°
Depth Dia Ratio 4xD
Shank Dia 1/4 in
Primary Material Application ISO Code N; P
Material Grade Machining General Purpose
Drill Length Class Jobber Length
Drill Point Length 0.0751 in
Shank Length 1-1/4 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0007 in
Secondary Material Application Stainless Steel
Secondary Material Application ISO Code M

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