Reduced Shank Drill Bit, 1 in, 118 °, High Speed Steel, Black Oxide

High-speed steel drill bits provide more flexibility and absorb more shock and vibration than cobalt drill bits.
– Also known as Silver and Deming drill bits, these reduced-shank drill bits have a 1/2″ shank and a drill diameter that is greater than 1/2″.
– They can create larger holes than standard drill bits that have a 1/2″ shank.

Material – Machining / High Speed Steel
Finish – Machining / Black Oxide
Measurement System / Fractional Inch
Drill Bit Size / 1 in
Decimal Equivalent / 1.0000
Drill Bit Point Angle / 118 Degrees
Drill Bit Point Type / Conventional Point
Flute Type / Spiral
Number of Flutes / 2
Flute Length / 3 1/8 in
Maximum Drilling Depth / 4 in
Cutting Direction / Right Hand
Spiral Direction / Right Hand
Helix Angle / 28 Degrees
Overall Length / 6 in
Depth:Dia. Ratio / 4xD
Drill Bit Grouping / Individual
Shank Type – Machining / Straight
Shank Dia. / 1/2 in
Shank Length / 2 1/4 in
Series / 190
Standards / ISO
Drill Diameter Tolerance / +0.0000 in /-0.0012 in
Material Grade – Machining / General Purpose
Primary Material Application / Cast Iron, Steel, Wood
Primary Material Application ISO Code / K, P