This M42 jobber length drill bit is made of cobalt and has a 7/64 inch diameter, 1⅛ inch long shank. It is for use with steel, tool and die steel, and meets ANSI standards , NAS 907 Type J. This 550-TN series jobber length drill bit has a TiN finish, and has wire measurements. It is non-coolant through with a 2¾ inch length. Plus it has two 1⅝ inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemJobber Length Drill Bit
Decimal Equivalent0.116
Material - MachiningCobalt
Drill Bit Point Angle135 Degrees
Coolant FedNon-Coolant Through
Flute TypeSpiral
Flute Length1 5/8 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.7/64 in
Overall Length2 3/4 in
Drill Length ClassJobber Length
Drill Bit GroupingIndividual
StandardsANSI, NAS 907 Type J
Drill Diameter Tolerance+0.0000 in/-0.0005 in
Web ConstructionTapered
Material Grade - MachiningM42
Primary Material Application ISO CodeM, P
Drill Bit Size#32
Measurement SystemWire
Finish - MachiningTiN
Drill Bit Point TypeSplit Point
Number of Coolant Holes0
Number of Flutes2
Maximum Drilling Depth29/64 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 1/8 in
Depth:Dia. Ratio4xD
Drill Point Length0.024 in
Series550-TN
Aircraft DrillYes
Sheeter DrillNo
Web ThinningWeb-Thinned
Primary Material ApplicationStainless Steel, Steel, Tool and Die Steel