Extra long surface treated drills, list No. 950E. High speed steel, 118 degree K notch point, black finish. Material applications: tool steel, alloyed steel, stainless steel, tough alloys, carbon steels and cast iron.
Technical Specs
ItemExtra Long Drill Bit
Decimal Equivalent0.25
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Flute TypeSpiral
Flute Length5 1/2 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.1/4 in
Overall Length8 in
Drill Length ClassExtra Long
Coolant FedNon-Coolant Through
StandardsNAS 907 Type B
Material Grade - MachiningGeneral Purpose
Primary Material Application ISO CodeK, P
Drill Bit Size1/4 in
Measurement SystemFractional Inch
Finish - MachiningBlack Oxide
Drill Bit Point TypeConventional Point
Number of Flutes2
Maximum Drilling Depth5 1/2 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length2 1/2 in
Depth:Dia. Ratio4xD
Drill Point Length0.0751 in
Drill Bit GroupingIndividual
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Primary Material ApplicationCast Iron, Steel
List Number950E
Country of OriginUnited States
(subject to change)