This M42 screw machine drill bit is made of cobalt and has a ¼ inch diameter, 1⅛ inch long shank. It is for use with cast iron, stainless steel, and meets ASME standards. This 2175-TA series screw machine length drill bit has a TiAlN finish, and has fractional inch measurements. It is non-coolant through with a 2½ inch length. Plus it has two 1⅜ inch parabolic flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ItemScrew-Machine Length Drill Bit
Decimal Equivalent0.25
Material - MachiningCobalt
Drill Bit Point Angle135 Degrees
Flute TypeParabolic
Flute Length1 3/8 in
Helix Angle40 Degrees
Spiral DirectionRight Hand
Shank Dia.1/4 in
Overall Length2 1/2 in
Drill Length ClassScrew Machine Length
Coolant FedNon-Coolant Through
Series2175-TA
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Primary Material ApplicationCast Iron, Stainless Steel
List Number2175-TA
Drill Bit Size1/4 in
Measurement SystemFractional Inch
Finish - MachiningTiAlN
Drill Bit Point TypeSplit Point
Number of Flutes2
Maximum Drilling Depth1 3/8 in
Cutting DirectionRight Hand
Shank Type - MachiningStraight
Shank Length1 1/8 in
Depth:Dia. Ratio10xD
Drill Point Length0.0518 in
Drill Bit GroupingIndividual
StandardsASME B94.11M
Material Grade - MachiningM42
Primary Material Application ISO CodeK, M
Country of OriginUnited States
(subject to change)