Attributes

Key Value
Aircraft DrillNo
Coolant FedNon-Coolant Through
Cutting DirectionLeft Hand
Decimal Equivalent0.3281 in
Depth:Dia. Ratio4xD
Drill Bit GroupingIndividual
Drill Bit Point Angle118 Degrees
Drill Bit Point TypeConventional Point
Drill Bit Size21/64 in
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Drill Length ClassJobber Length
Drill Point Length0.0986 in
Finish - MachiningBright (Uncoated)
Flute Length3 5/16 in
Flute TypeSpiral
Helix Angle21 Degrees /34 Degrees
ItemJobber Length Drill Bit
List Number1898
Material - MachiningHigh Speed Steel
Maximum Drilling Depth1 5/16 in
Measurement SystemFractional Inch
Number of Coolant Holes0
Number of Flutes2
Overall Length4 5/8 in
Primary Material Applic.Aluminum, Brass, Bronze.
Primary Material Applic.K, N, P
Series1898L
Shank Dia.5/16 in
Shank Length1 5/16 in
Shank Type - MachiningStraight
Sheeter DrillNo
Spiral DirectionLeft Hand
StandardsASME
Web ThinningThinned
© 2025 · Data Alchemy · Version 60 · ts:1760052239
prev