TABLE OF CONTENTS | A b | area of cross section of bolt, m 2 (in 2) | |
| A br | area of base of preloaded bracket, m 2 (in 2) | |
| A c | core area of thread, m 2 (in 2) | |
| A g | loaded area of gasket, m 2 (in 2) | |
| A r | stress area, m 2 (in 2) | |
| A ? | shear area, m 2 (in 2) | |
| d | nominal diameter of screw m (in) major diameter of external thread (bolt), m (in) | |
| d 2 | pitch diameter of external thread (bolt), m (in) | |
| d 1 | minor diameter of external thread (bolt), m (in) | |
| d c | mean diameter of thrust collar, m (in) | |
| d m = d 2 | mean diameter of square threaded power screw, m (in) | |
| D | diameter of shaft, m (in) major diameter of internal thread (nut), m (in) | |
| D 1 | minor diameter of internal thread (nut), m (in) | |
| D 2 | pitch diameter of internal thread (nut), m (in) | |
| D b | diameter of bolt circle, m (in) | |
| D i | inside diameter of a pressure vessel or cylinder, m (in) mean diameter of inside screw of differential or compound screw, m (in) | |
| D o | mean diameter of outside screw of differential or compound screw, m (in) | |
| e | eccentricity, m (in) | |
| E b, E g | moduli of elasticity of bolt... |
