Fastener
Torque, Thread Pitch and Clamping Force

Units

Blocks shown as
light blue are editable

axial tension
F_{f} =


N

Pitch diamter
fastener d_{2} =


mm

Pitch diameter
bearing surface d_{n}
=


mm

Half angle of
screw thread α =


˚

Lead angle β =


˚

Friction
coefficient of thread μ =




Friction
coefficient of bearing portion μ_{n} =




Calculated Results
Equation 1

tanβ =


˚

Torque T =


Nmm

Torque T =


Nm


Fastener Axial
Force, Thread Pitch and Clamping Force

Units

Blocks shown as
light blue are editable

Torque T =


Nmm

Pitch diamter
fastener d_{2} =


mm

Pitch diameter
bearing surface d_{n}
=


mm

Half angle of
screw thread α =


˚

Lead angle β =


˚

Friction
coefficient of thread μ =




Friction
coefficient of bearing portion μ_{n} =




Calculated Results
Equation 2

tanβ =


˚

axial tension
F_{f} =


N
