muff coupling

compression coupling

flange coupling

all of these

always in single shear

always in double shear

either in single shear or double shear

any one of these

80 kN/mm²

100 kN/mm²

110 kN/mm²

210 kN/mm²

X-axis as neutral axis

Y-axis as neutral axis

X-axis or Y-axis as neutral axis

Z-axis

shoe brake

band and block brake

band brake

internal expanding brake