This reduced shank Silver and Deming drill bit has a one-inch long shank. It is designed for use with alloy steel, carbon steel, cast iron. It has a 5⅞ inch length, plus it has a 118 Degrees drill point.
Technical Specs
ItemJobber Drill
Finish - MachiningBlack Oxide
Drill Bit Size31/64 in
Drill Bit Point Angle118 Degrees
Flute TypeSpiral
Flute Length4 3/8 in
Cutting DirectionRight Hand
Helix Angle21 Degrees /34 Degrees
Depth:Dia. Ratio4xD
Shank Type - MachiningReduced
Shank Length1 in
Series1900
Coolant FedNon-Coolant Through
Web ConstructionTapered
Primary Material ApplicationCarbon Steel, Alloy Steel, Cast Iron
Material - MachiningHigh Speed Steel
Measurement SystemFractional Inch
Decimal Equivalent0.4844 in
Drill Bit Point TypeRadial Point
Number of Flutes2
Maximum Drilling Depth1 15/16 in
Spiral DirectionRight Hand
Overall Length5 7/8 in
Drill Bit GroupingIndividual
Shank Dia.0.3750 in
Silver & Deming DrillNo
StandardsASME B94.11M
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Material Grade - MachiningGeneral Purpose
Primary Material Application ISO CodeK, P
Country of OriginUnited States
(subject to change)