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4FWU5 NAS-Spec Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits for Aerospace

$8.09

Bulk orders will be discounted, please contact us.

These drill bits meet National Aerospace Specification (NAS) 907 Type B. They have a TiN coating that protects them from wear and heat when drilling steel, stainless steel, and aluminum.

Product Number: 4FWU5

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  • Description
Mfr Model 41620
Measurement System Fractional Inch
Drill Bit Size 5/16 in
Decimal Equivalent 0.3125
Maximum Drilling Depth 1-1/4 in
Overall Length 4-1/2 in
Shank Type Machining Straight
Finish Machining TiN
Material Machining High Speed Steel
Primary Material Application Cast Iron; Stainless Steel; Steel; Tool and Die Steel
UNSPSC 27112801
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 3-3/16 in
Flute Type Spiral
Standards NAS 907 Type B
Series 150ASP-TN
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 5/16 in
Primary Material Application ISO Code K; M; P
Material Grade Machining High Performance
Drill Length Class Jobber Length
Drill Point Length 0.0647 in
Shank Length 1-5/16 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0010 in
Secondary Material Application Cast Iron; Stainless Steel
Secondary Material Application ISO Code K; M

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