This general purpose screw machine drill bit is made of high speed steel and has a 3/64 inch diameter, one-inch long shank. It is for use with aluminum, brass, bronze, copper, and meets ASME standards. This 2120 series screw machine length drill bit has a bright (uncoated) finish, and has wire measurements. It is non-coolant through with a 1⅝ inch length. Plus it has two ⅝ inch spiral flutes, a straight shank, and 118 Degrees conventional point.
Technical Specs
ItemScrew-Machine Length Drill Bit
Decimal Equivalent0.052
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Flute TypeSpiral
Flute Length5/8 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.3/64 in
Overall Length1 5/8 in
Drill Length ClassScrew Machine Length
Coolant FedNon-Coolant Through
Series2120
Drill Diameter Tolerance+0.0000 in/-0.0005 in
Primary Material ApplicationAluminum, Brass, Bronze, Copper
List Number2120
Drill Bit Size#55
Measurement SystemWire
Finish - MachiningBright (Uncoated)
Drill Bit Point TypeConventional Point
Number of Flutes2
Maximum Drilling Depth5/8 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 in
Depth:Dia. Ratio4xD
Drill Point Length0.0156 in
Drill Bit GroupingIndividual
StandardsASME B94.11M-1993
Material Grade - MachiningGeneral Purpose
Primary Material Application ISO CodeN
Country of OriginUnited States
(subject to change)