1/2 inch reduced shank drills. 3 flats on shank, 118 degree split point, black and gold finish for increased lubricity and abrasion resistance. Size: 11/2 inch.
Technical Specs
ItemReduced Shank Drill Bit
Finish - MachiningBlack Oxide
Drill Bit Size1 1/2 in
Drill Bit Point Angle118 Degrees
Flute TypeSpiral
Flute Length3 1/8 in
Cutting DirectionRight Hand
Helix Angle28 Degrees
Depth:Dia. Ratio4xD
Shank Type - MachiningStraight with Three Flats
Shank Length2 1/4 in
Series1877
Coolant FedNon-Coolant Through
Material Grade - MachiningGeneral Purpose
Primary Material Application ISO CodeK, P
Material - MachiningHigh Speed Steel
Measurement SystemFractional Inch
Decimal Equivalent1.5
Drill Bit Point TypeSplit Point
Number of Flutes2
Maximum Drilling Depth6 in
Spiral DirectionRight Hand
Overall Length6 in
Drill Bit GroupingIndividual
Shank Dia.1/2 in
Silver & Deming DrillYes
StandardsNot Rated
Drill Diameter Tolerance+0.0000 in/-0.0015 in
Primary Material ApplicationCast Iron, Steel
Country of OriginUnited States
(subject to change)