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: 17/32 inch.
Technical Specs
ItemReduced Shank Drill Bit
Finish - MachiningBlack Oxide
Drill Bit Size17/32 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 Equivalent0.5312
Drill Bit Point TypeSplit Point
Number of Flutes2
Maximum Drilling Depth2 1/8 in
Spiral DirectionRight Hand
Overall Length6 in
Drill Bit GroupingIndividual
Shank Dia.1/2 in
Silver & Deming DrillNo
StandardsNot Rated
Drill Diameter Tolerance+0.0000 in/-0.0012 in
Primary Material ApplicationCast Iron, Steel
Country of OriginUnited States
(subject to change)