This M42 extra long drill bit is made of cobalt and has a 3/16 inch diameter, 3 11/16 inch long shank. It is for use with aluminum, brass, bronze, copper, steel, and meets the standards for NAS 907 Type J. This extra long drill bit has a straw/bronze finish, and has fractional inch measurements. It is non-coolant through with a six-inch length. Plus it has two 2 5/16 inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemExtra Long Drill Bit
Decimal Equivalent0.1875
Material - MachiningCobalt
Drill Bit Point Angle135 Degrees
Flute TypeSpiral
Flute Length2 5/16 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.3/16 in
Overall Length6 in
Drill Length ClassExtra Long
Coolant FedNon-Coolant Through
StandardsNAS 907 Type J
Material Grade - MachiningM42
Primary Material Application ISO CodeM, N, P
Drill Bit Size3/16 in
Measurement SystemFractional Inch
Finish - MachiningStraw/Bronze
Drill Bit Point TypeSplit Point
Number of Flutes2
Maximum Drilling Depth2 5/16 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length3 11/16 in
Depth:Dia. Ratio10xD
Drill Point Length0.0388 in
Drill Bit GroupingIndividual
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Primary Material ApplicationAluminum, Brass, Bronze, Copper, Stainless Steel, Steel