Description

Drill Bit Grouping=Drill Bit
Item=Extra Long Drill Bit
Drill Bit Dimension Type=Wire
Drill Bit Size=#31
Decimal Equivalent=0.1200
Drill Bit Material=High Speed Steel
Drill Bit Finish=Bright
Drill Bit Point Angle=135 Degrees
Flute Length=1 5/8 in
Coolant Fed=Non-Coolant Through
Standards=Not Rated
Material=High Speed Steel
Overall Length=12 in
Shank Dia.=7/64 in
Shank Type – Machining=Straight
Finish=Bright (Uncoated)
Depth x Dia. Ratio=10xD
Cutting Direction=Right Hand
Point Type=Split
Depth:Dia. Ratio=10xD
Coolant Through=No
Grade=Heavy Duty
List Number=3957-12
Application=For Drilling Cast Iron, Carbon Steel, Alloy Steel, Die Steel, Stainless Steels, Hardened Steel Under 50 HrC and Titanium Alloys
Flute Type=Spiral
Number of Flutes=2
Shank Type=Straight
Measurement System=Wire
Diameter=0.12
Left/Right Hand=Right
Drill Style=Aircraft Extension Drill
Shank Size=0.12
Shank Length=13/8 in
Point Angle=135
Series=3957-12
Helix Angle=28 Degrees
Material Grade – Machining=High Performance
Maximum Drilling Depth=1 5/8 in
Secondary Material Application ISO Code=K, M
Secondary Material Application=Cast Iron, Stainless Steel
Drill Length Class=Extra Long
Primary Material Application ISO Code=N, P
Finish – Machining=Bright (Uncoated)
Drill Point Length=0.0249 in
Primary Material Application=Aluminum, Brass, Bronze, Copper, Steel
Aircraft Drill=Yes
Material – Machining=High Speed Steel
Spiral Direction=Right Hand
Drill Diameter Tolerance=+0.0000 in /-0.0005 in
Drill Bit Point Type=Split Point