This general purpose taper shank drill bit is made of high speed steel. It is for use with cast iron, steel, and meets ASME standards. This taper shank drill bit has a black oxide finish, and has fractional inch measurements. It is non-coolant through with a 6⅜ inch length. Plus it has two 3⅛ inch spiral flutes, taper shank, a right hand cutting direction, and 118 Degrees conventional point.
Technical Specs
ItemTaper Shank Drill Bit
Decimal Equivalent0.3125
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Flute TypeSpiral
Flute Length3 1/8 in
Helix Angle21 Degrees to 34 Degrees
Spiral DirectionRight Hand
Taper Shank SizeMT1
Depth:Dia. Ratio4xD
Drill Bit GroupingIndividual
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Primary Material ApplicationCast Iron, Steel
List Number2410
Drill Bit Size5/16 in
Measurement SystemFractional Inch
Finish - MachiningBlack Oxide
Drill Bit Point TypeConventional Point
Number of Flutes2
Maximum Drilling Depth3 1/8 in
Cutting DirectionRight Hand
Shank Type - MachiningTaper
Overall Length6 3/8 in
Coolant FedNon-Coolant Through
StandardsASME B94.11M
Material Grade - MachiningGeneral Purpose
Primary Material Application ISO CodeK, P
Country of OriginUnited States
(subject to change)