This general purpose jobber length drill bit is made of high speed steel and has a 3/16 inch diameter, 2⅜ inch long shank. It is for use with cast iron and steel. This 255AN series jobber length drill bit has a black oxide finish, and has fractional inch measurements. It is non-coolant through with a 5¾ inch length. Plus it has two 3⅜ inch spiral flutes, a straight shank, and 118 Degrees conventional point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.1875
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Coolant FedNon-Coolant Through
Number of Flutes2
Maximum Drilling Depth3/4 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length2 3/8 in
Depth:Dia. Ratio4xD
Drill Point Length0.0563 in
Series255AN
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Primary Material ApplicationCast Iron, Steel
List Number255AN
Drill Bit Size3/16 in
Measurement SystemFractional Inch
Finish - MachiningBlack Oxide
Drill Bit Point TypeConventional Point
Flute TypeSpiral
Flute Length3 3/8 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.3/16 in
Overall Length5 3/4 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsNot Rated
Material Grade - MachiningGeneral Purpose
Primary Material Application ISO CodeK, P
Country of OriginUnited States
(subject to change)