This M42 jobber length drill bit is made of cobalt and has a 7/32 inch diameter, 1¼ inch long shank. It is for use with steel, titanium, tool and die steel, and meets the standards for NAS 907 Type J. This 55TN series jobber length drill bit has a TiN finish, and has fractional inch measurements. It is non-coolant through with a 3¾ inch length. Plus it has two 2½ inch spiral flutes, a straight shank, and a 135 Degrees split point.
Technical Specs
ArticleForet court
Équivalent décimal0,2188 po
Material - MachiningCobalt
Angle de pointe du foret135 Degrees
Alimentation en liquide de refroidissementSans alimentation en liquide de refroidissement
Flute TypeSpiral
Longueur de goujure2-1/2 po
Helix Angle28 Degrees
Spiral DirectionRight Hand
Diamètre de tige7/32 po
Longueur hors tout3-3/4 po
Drill Length ClassJobber Length
Groupe de foretsIndividuel
NormesNAS 907 type J
Drill Diameter Tolerance+0.0000 in/-0.0007 in
Web ThinningThinned
Primary Material ApplicationStainless Steel, Steel, Titanium, Tool and Die Steel