This screw machine drill bit is made of high speed steel and has a 1⅜ inch long shank. This Extra Short series screw machine drill bit has a bright (uncoated) finish. It has a 3-7/16 inch stubby length. Plus it has 2.0625 inch flutes, and a 118 Degrees drill point.
Technical Specs
ItemScrew Machine Drill
Decimal Equivalent0.4375 in
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Flute TypeRegular Spiral
Shank Length1.375 in
Drill Length ClassScrew Machine Length
SeriesExtra Short
List NumberDR78
Drill Bit Size7/16 in
Measurement SystemFractional Inch
Finish - MachiningBright (Uncoated)
Drill Bit Point TypeSplit Point
Flute Length2.0625 in
Overall Length3.438 in
Drill Bit GroupingIndividual
Web ConstructionSplit
Country of OriginUnited Kingdom
(subject to change)