Description

Drill Bit Grouping=Drill Bit
Item=Extra Long Drill Bit
Drill Bit Dimension Type=Wire
Drill Bit Size=#12
Decimal Equivalent=0.1890
Drill Bit Material=High Speed Steel
Drill Bit Finish=Bright
Drill Bit Point Angle=135 Degrees
Flute Length=2 5/16 in
Coolant Fed=Non-Coolant Through
Depth:Dia. Ratio=10xD
Flute Type=Spiral
Shank Type=Straight
Application=For Drilling Cast Iron, Carbon Steel, Alloy Steel, Die Steel, Stainless Steels, Hardened Steel Under 50 HrC and Titanium Alloys
Standards=Not Rated
Shank Dia.=3/16 in
Number of Flutes=2
Finish=Bright (Uncoated)
List Number=3957-12
Coolant Through=No
Overall Length=12 in
Shank Type – Machining=Straight
Grade=Heavy Duty
Depth x Dia. Ratio=10xD
Cutting Direction=Right Hand
Material=High Speed Steel
Point Type=Split
Measurement System=Wire
Drill Style=Aircraft Extension Drill
Diameter=0.189
Point Angle=135
Shank Length=9 11/16 in
Left/Right Hand=Right
Shank Size=0.189
Series=3957-12
Helix Angle=28 Degrees
Finish – Machining=Bright (Uncoated)
Spiral Direction=Right Hand
Maximum Drilling Depth=2 5/16 in
Aircraft Drill=Yes
Drill Length Class=Extra Long
Secondary Material Application ISO Code=K, M
Primary Material Application=Aluminum, Brass, Bronze, Copper, Steel
Material – Machining=High Speed Steel
Primary Material Application ISO Code=N, P
Secondary Material Application=Cast Iron, Stainless Steel
Drill Point Length=0.0391 in
Material Grade – Machining=High Performance
Drill Diameter Tolerance=+0.0000 in /-0.0007 in
Drill Bit Point Type=Split Point