This screw machine drill bit is made of high speed steel and has a 1/32 inch diameter, ⅞ inch long shank. It is for use with aluminum, brass, bronze, cast iron, copper, and steel. This 157 series screw machine length drill bit has a bright (uncoated) finish, and has wire measurements. It has a 1⅜ inch length. Plus it has two ½ inch spiral flutes, a straight shank, and 118 Degrees conventional point.
Technical Specs
ItemScrew-Machine Length Drill Bit
Decimal Equivalent0.043
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Flute TypeSpiral
Flute Length1/2 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.1/32 in
Overall Length1 3/8 in
Drill Length ClassScrew Machine Length
Drill Bit GroupingIndividual
StandardsNot Rated
Primary Material ApplicationAluminum, Brass, Bronze, Cast Iron, Copper, Steel