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#40 1 –3/8 " Flute Length 135° High Performance High Speed Steel Aircraft Extension Drill Bright/Uncoated, 0.098 " Diam Straight –Cylindrical Shank, Split Point, Self –Centering, Series 3957 –12

#40 1 –3/8 " Flute Length 135° High Performance High Speed Steel Aircraft Extension Drill Bright/Uncoated, 0.098 " Diam Straight –Cylindrical Shank, Split Point, Self –Centering, Series 3957 –12


Item #: 74329640
Brand: Cleveland
Model #: C13244

Product Specifications

Drill Bit Size (Wire) #40
Overall Length (Inch) 12
Tool Material High Speed Steel
Coating/Finish Bright/Uncoated
Series 3957-12
Drill Point Angle (Degrees) 135
Drill Bit Size (Decimal Inch) 0.0980
Shank Type Straight-Cylindrical
Flute Type Spiral
Flute Length (Inch) 1-3/8
Flute Length (Decimal Inch) 1.3750
Cutting Direction Right Hand
Self-Centering Yes
Point Type Split
Drill Bit Diameter Tolerance +0.0000 to -0.0005 in
Shank Diameter (Decimal Inch) 0.0980
Number of Flutes 2
Web Thinning Web-Thinned
Web Configuration Tapered
Tool Performance High Performance
Standards NAS 907 Type B
$13.54

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