Standard Trapezoidal section point Hooks with Shank
IS: 3815 / 1969
Dimensions of screw thread run outs and undercuts
All dimensions in mm
Note
Undercut according to IS - 1369 - 1961
*Calculating formulae for C:
For MS, C = 26.73ÖP
For HS, C = 23.17ÖP
# Machined shank diameter (Min)
See IS: 4218-1967 ISO metric screw threads
$ Boundary dimensions of rolling bearings for general engineering purposes.
MS = Mild Steel
HS = High Tensile Steel