SPLINED SHAFTING is hobbed for the full listed length. In some instances undercut
chucking registers may be present at one end. A centre is provided at one end. Material
is K1045 Carbon steel. Finish is black "Colorsol". Imperial involute splines are
to ANSI B92.I-1970. Pressure angles on all involute splines listed are 30 degrees.
Spline OD* as listed for shafting, stubwelds and nibs is the form diameter. Actual
major diameter may be smaller than form diameter by the form clearance for the
subject spline. Straight sided splines are all to SAE standard.