This general purpose jobber length drill bit is made of high speed steel and has a 3/16 inch diameter, 1 3/16 inch long shank. It is for use with cast iron, steel, and meets ANSI standards. This 250AN series jobber length drill bit has a black oxide finish, and has fractional inch measurements. It is non-coolant through with a 3⅝ inch length. Plus it has two 2 7/16 inch spiral flutes, tang shank, and 118 Degrees conventional point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.2031
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length2 7/16 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.3/16 in
Overall Length3 5/8 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsANSI
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Web ConstructionTapered
Material Grade - MachiningGeneral Purpose
Primary Material Application ISO CodeK, P
Drill Bit Size13/64 in
Measurement SystemFractional Inch
Finish - MachiningBlack Oxide
Drill Bit Point TypeConventional Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth13/16 in
Cutting DirectionRight Hand
Shank Type - MachiningTang Shank
Shank Length1 3/16 in
Depth:Dia. Ratio4xD
Drill Point Length0.061 in
Series250AN
Aircraft DrillNo
Sheeter DrillNo
Web ThinningWeb-Thinned
Primary Material ApplicationCast Iron, Steel
List Number250AN
Country of OriginUnited States
(subject to change)