Overview of screw tightening torques

 

Motor cover

 

Size

Type, size and length

Number

Tightening torque

GMC

Fillister-head screw M4x55

3x

5 Nm

GMC

Fillister-head screw M4x20

1x

5 Nm

 

 

Only for single-fall chain hoists

 

Hook assembly

 

Size

Type, size and length

Number

Tightening torque

GMC

Fillister-head screw with self-locking nut M6x25

2x

6 Nm

 

 

 

Only for twin-fall chain hoists

 

Bottom block

 

Size

Type, size and length

Number

Tightening torque

GMC

Fillister-head screw with self-locking nut M6x30

2x

6 Nm