Attributes

Key Value
Aircraft DrillNo
Coolant FedNon-Coolant Through
Cutting DirectionRight Hand
Decimal Equivalent0.3071
Depth:Dia. Ratio4xD
Double MarginNo
Drill Bit GroupingIndividual
Drill Bit Point Angle118 Degrees
Drill Bit Point TypeConventional Point
Drill Bit Size7.80 mm
Drill Diameter Tolerance+0.0000 in /-0.0010 in
Drill Length ClassJobber Length
Drill Point Length0.0923mm
Finish - MachiningBright (Uncoated)
Flute Length75.00 mm
Flute TypeSpiral
Helix Angle21 Degrees to 34 Degre.
ItemJobber Length Drill Bit
Material - MachiningHigh Speed Steel
Material Grade - Machin.W4
Maximum Drilling Depth1 7/32 in
Measurement SystemMetric
Number of Coolant Holes0
Number of Flutes2
Overall Length117.00 mm
Primary Material Applic.Aluminum, Brass, Bronze.
Primary Material Applic.K, N, P
Series1898
Shank Dia.7.8 mm
Shank Length42 mm
Shank Type - MachiningStraight
Sheeter DrillNo
Spiral DirectionRight Hand
StandardsDIN 338
Web ConstructionTapered
Web ThinningWeb-Thinned
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