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  11. 135° NAS 907 Type B General Purpose Aircraft Extension Drill Cleveland 3957-12 Bright HSS 1/4-E
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Cleveland

135° NAS 907 Type B General Purpose Aircraft Extension Drill Cleveland 3957-12 Bright HSS 1/4-E

product price: $13.85
/ea
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Key Features

  • Drill Bit Grouping Drill Bit
  • Drill Bit Dimension Type Fractional Inch
  • Drill Bit Point Angle 135 Degrees
  • Size 1/4"
  • Drill Bit Material High Speed Steel
See all product information

Product Information

Dimensions

Drill Bit Dimension Type Fractional Inch
Drill Bit Size 1/4 in
Size 1/4"
Shank Dia. 1/4 in
Overall Length 12 in
Flute Length 2 3/4 in
Maximum Drilling Depth 1 in
Depth:Dia. Ratio 4xD
Dimension Type Fractional Inch
Depth x Dia. Ratio 4xD
Shank Length 9 1/4 in
Drill Point Length 0.0518 in
Drill Length Class Extra Long
Drill Diameter Tolerance +0.0000 in /-0.0007 in

Details

Item Extra Long Drill Bit
Drill Bit Grouping Drill Bit
Drill Bit Point Angle 135 Degrees
Drill Bit Material High Speed Steel
Drill Bit Finish Bright
Decimal Equivalent 0.2500
Flute Type Spiral
Finish Bright
Point Angle 135 Degrees
Coolant Fed Non-Coolant Through
Cutting Direction Right Hand
Number of Flutes 2
Number of Pieces 1
Application For Alloy Steel, Carbon Steel And Cast Iron
Standards NAS 907 Type B
Grade Heavy Duty
Coolant Through No
List Number 3957
Shank Type - Machining Straight
Measurement System Fractional Inch
Primary Material Application Aluminum, Brass, Bronze, Copper, Steel
Primary Material Application ISO Code N, P
Finish - Machining Bright (Uncoated)
Material - Machining High Speed Steel
Spiral Direction Right Hand
Helix Angle 21 Degrees to 34 Degrees
Series 3957-12
Secondary Material Application ISO Code K, M
Aircraft Drill Yes
Drill Bit Point Type Split Point
Material Grade - Machining High Performance
Secondary Material Application Cast Iron, Stainless Steel
Point type Split point

Description

Extra Long Drill Bit, Drill Bit Size 1/4 in, Drill Bit Point Angle 135 Degrees , Split Point, High Speed Steel, Bright (Uncoated), 21 Degrees to 34 Degrees , Material Grade - Machining High Performance, Maximum Drilling Depth 1 in, Fractional Inch, 4xD

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