Description

Item=Extra Long Drill Bit
Drill Bit Dimension Type=Letter
Drill Bit Size=F
Decimal Equivalent=0.2570
Drill Bit Material=High Speed Steel
Drill Bit Finish=Bright
Drill Bit Point Angle=135 Degrees
Flute Length=2 7/8 in
Coolant Fed=Non-Coolant Through
Shank Type – Machining=Straight
Shank Dia.=1/4 in
Grade=Heavy Duty
Point Type=Split
Application=For Drilling Cast Iron, Carbon Steel, Alloy Steel, Die Steel, Stainless Steels, Hardened Steel Under 50 HrC and Titanium Alloys
Cutting Direction=Right Hand
Depth x Dia. Ratio=10xD
Number of Flutes=2
Flute Type=Spiral
Depth:Dia. Ratio=10xD
Overall Length=6 in
Coolant Through=No
List Number=3957-6
Material=HSS
Shank Type=Straight
Standards=Not Rated
Point Angle=135
Drill Style=Aircraft Extension Drill
Left/Right Hand=Right
Shank Size=0.257
Diameter=0.257
Measurement System=Letter
Shank Length=3 1/8 in
Series=3957-6
Drill Bit Point Type=Split Point
Material Grade – Machining=High Performance
Maximum Drilling Depth=2 7/8 in
Spiral Direction=Right Hand
Drill Diameter Tolerance=+0.0000 in /-0.0007 in
Primary Material Application=Aluminum, Brass, Bronze, Copper, Steel
Primary Material Application ISO Code=N, P
Finish – Machining=Bright (Uncoated)
Drill Length Class=Extra Long
Drill Point Length=0.0000 in
Aircraft Drill=Yes
Secondary Material Application ISO Code=K, M
Helix Angle=28 Degrees
Secondary Material Application=Cast Iron, Stainless Steel
Material – Machining=High Speed Steel
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