This M42 screw machine drill bit is made of cobalt and has a 25/64 inch diameter, 1⅜ inch long shank. It is for use with cast iron, steel, and meets ASME standards. This 2133 series screw machine length drill bit has a straw/bronze finish, and has fractional inch measurements. It is non-coolant through with a 3¼ inch length. Plus it has two 1⅞ inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemScrew-Machine Length Drill Bit
Decimal Equivalent0.3906
Material - MachiningCobalt
Drill Bit Point Angle135 Degrees
Flute TypeSpiral
Flute Length1 7/8 in
Helix Angle28 Degrees
Spiral DirectionRight Hand
Shank Dia.25/64 in
Overall Length3 1/4 in
Drill Length ClassScrew Machine Length
Coolant FedNon-Coolant Through
Series2133
Drill Diameter Tolerance+0.0000 in/-0.0010 in
Primary Material ApplicationCast Iron, Stainless Steel, Steel
List Number2133
Drill Bit Size25/64 in
Measurement SystemFractional Inch
Finish - MachiningStraw/Bronze
Drill Bit Point TypeSplit Point
Number of Flutes2
Maximum Drilling Depth1 7/8 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 3/8 in
Depth:Dia. Ratio4xD
Drill Point Length0.0809 in
Drill Bit GroupingIndividual
StandardsASME B94.11M-1993
Material Grade - MachiningM42
Primary Material Application ISO CodeK, M, P
Country of OriginUnited States
(subject to change)