This screw machine drill bit has a #55 diameter shank. This screw machine length drill bit has fractional inch measurements. It has a 1.625 inch stubby length. Plus it has ⅝ inch regular spiral flutes, and a 118 Degrees split point drill point.
Technical Specs
ItemScrew Machine Drill
Decimal Equivalent0.0520 in
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Flute TypeRegular Spiral
Shank Dia.#55
Overall Length1.625 in
Drill Bit GroupingIndividual
Web ConstructionSplit
Drill Bit Size#55
Measurement SystemFractional Inch
Finish - MachiningBright (Uncoated)
Drill Bit Point TypeSplit Point
Flute Length5/8 in
Shank Length1 in
Drill Length ClassScrew Machine Length
SeriesExtra Short
List NumberDR78
Country of OriginUnited Kingdom
(subject to change)