mpn
912-11108
brand
name: CHICAGO-LATROBE
manufacturer
name: CHICAGO-LATROBE
Attributes
Key
Value
Aircraft Drill
Yes
Coolant Fed
Non-Coolant Through
Cutting Direction
Right Hand
Decimal Equivalent
0.2500
Depth:Dia. Ratio
4xD
Drill Bit Grouping
Individual
Drill Bit Point Angle
135 Degrees
Drill Bit Point Type
Split Point
Drill Bit Size
1/4 in
Drill Diameter Tolerance
+0.0000 in /-0.0007 in
Drill Length Class
Extra Long
Drill Point Length
0.0518"
Finish - Machining
Black Oxide
Flute Length
2 3/4 in
Flute Type
Spiral
Helix Angle
28 Degrees
Item
Extra Long Drill Bit
Material - Machining
High Speed Steel
Material Grade - Machin.
High Performance
Maximum Drilling Depth
2 3/4 in
Measurement System
Fractional Inch
Number of Flutes
2
Overall Length
12 in
Primary Material Applic.
Cast Iron, Steel
Primary Material Applic.
K, P
Series
912
Shank Dia.
1/4 in
Shank Length
9 1/4 in
Shank Type - Machining
Straight
Spiral Direction
Right Hand
Standards
National Aerospace Stan.