Jobber length cobalt drill bit. Modified 135 degree split point with high positive notch angle for self centering. High helix for more efficient chip removal. Screw machine flute length for extra tool strength.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.125
Material - MachiningCobalt
Drill Bit Point Angle135 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length7/8 in
Helix Angle35 Degrees /45 Degrees
Spiral DirectionRight Hand
Shank Dia.1/8 in
Overall Length2 3/4 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsNAS 907 Type D
Drill Diameter Tolerance+0.0000 in/-0.0005 in
Web ThinningThinned
Primary Material ApplicationCast Iron, Nickel, Stainless Steel, Steel, Titanium
List Number3780
Drill Bit Size1/8 in
Measurement SystemFractional Inch
Finish - MachiningBlack Oxide
Drill Bit Point TypeSplit Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth1/2 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 7/8 in
Depth:Dia. Ratio4xD
Drill Point Length0.0259 in
Series3780
Aircraft DrillNo
Sheeter DrillNo
Material Grade - MachiningM42
Primary Material Application ISO CodeK, M, P, S
Country of OriginUnited States
(subject to change)