High quality

The coaxiality standard is fixed at ◎0.05mm, reducing belt vibration.
Flange type, arc type

Idle prevention capability is enhanced by adding knurled surface standard
Idle prevention capability increases by 4.7 times.
※ Under normal use, belt wear is not much different from pulleys without knurling
Static friction force (N) of pulley for flat belt
Idle prevention capability increases by 4.7 times

Tightening torque is increased by changing the stop screw hole to 120˚
D-axis hole standard
Circular hole + screw hole, JIS key groove + screw hole
D-axis hole standard
Circular hole + screw hole, key groove + screw hole
Tightening torque (N/m)
Tightening torque increases by 11.8%.