This non-coolant through drill bit features two spiral flutes, a straight shank, and a 118 Degrees point angle. It has a flute length of 3.1875 inches, an overall length of 4.5 inches, and a diameter of 5/16 inches.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.3125
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Flute TypeSpiral
Flute Length3 3/16 in
Helix Angle35 Degrees to 45 Degrees
Spiral DirectionRight Hand
Shank Dia.5/16 in
Overall Length4 1/2 in
Drill Length ClassJobber Length
Coolant FedNon-Coolant Through
StandardsASME B94.11M
Material Grade - MachiningGeneral Purpose
Primary Material Application ISO CodeN, P
Drill Bit Size5/16 in
Measurement SystemFractional Inch
Finish - MachiningBright (Uncoated)
Drill Bit Point TypeConventional Point
Number of Flutes2
Maximum Drilling Depth1 1/4 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 5/16 in
Depth:Dia. Ratio4xD
Drill Point Length0.0939 in
Drill Bit GroupingIndividual
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Primary Material ApplicationAluminum, Brass, Bronze, Copper, Steel
List Number2012
Country of OriginUnited States
(subject to change)