This general purpose jobber length drill bit is made of high speed steel and has a ¼ inch diameter, 1¼ inch long shank. It is for use with aluminum, composite, copper, slate, steel, wood, and meets ANSI standards. This 150B series jobber length drill bit has a bright (uncoated) finish, and has fractional inch measurements. It is non-coolant through with a 4⅛ inch length. Plus it has two 2⅞ inch spiral flutes, a straight shank, and 118 Degrees conventional point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.2656 in
Material - MachiningHigh Speed Steel
Drill Bit Point Angle118 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length2 7/8 in
Helix Angle40 Degrees
Spiral DirectionRight Hand
Shank Dia.1/4 in
Overall Length4 1/8 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsANSI
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Web ThinningThinned
Primary Material ApplicationAluminum, Composite, Copper, Slate, Steel, Wood