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1G541 NAS-Spec Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits for Aerospace

$9.90

Bulk orders will be discounted, please contact us.

These drill bits meet National Aerospace Specification (NAS) 907 Type B. They have a black-oxide finish that retains lubricants to improve the bits' wear resistance and chip flow. Black-oxide bits should only be used for drilling ferrous metals.

Product Number: 1G541

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  • Description
Mfr Model 45632
Measurement System Fractional Inch
Drill Bit Size 1/2 in
Decimal Equivalent 0.5
Maximum Drilling Depth 2 in
Overall Length 6 in
Shank Type Machining Straight
Finish Machining Black Oxide
Material Machining High Speed Steel
Primary Material Application Cast Iron; Stainless Steel; Steel
UNSPSC 23171609
Country of Origin USA (subject to change)
Cutting Direction Right Hand
Flute Length 4-1/2 in
Flute Type Spiral
Standards NAS 907 Type B
Series 150ASP
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 1/2 in
Primary Material Application ISO Code K; M; P
Material Grade Machining High Performance
Drill Length Class Jobber Length
Drill Point Length 0.1036 in
Shank Length 1-1/2 in
Coolant Fed Non-Coolant Through
Drill Diameter Tolerance +0.0000 in /-0.0010 in

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