This heavy-duty drill bit is made of high speed steel and has a ¼ inch diameter, 3¼ inch long shank. It is for use with aluminum, brass, bronze, cast iron, copper, nickel, steel, titanium, and meets ASME standards. This extra long drill bit has a black oxide finish. It is non-coolant through with a six-inch length. Plus it has two 2¾ inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemDrill Bit
Decimal Equivalent0.2500 in
Material - MachiningHigh Speed Steel
Drill Bit Point Angle135 Degrees
Flute TypeSpiral
Flute Length2 3/4 in
Helix Angle21 Degrees
Spiral DirectionRight Hand
Shank Dia.1/4 in
Overall Length6 in
Drill Length ClassExtended Length
Coolant FedNon-Coolant Through
StandardsASME
Material Grade - MachiningHeavy Duty
Primary Material Application ISO CodeH, K, N, P, S