Take M-RBNB40F(D40mm) for example, it can be accommodated to a M5x16 inner hexagon screw, and with a small through hole on the working surface, it also works well with a M5x25 cross recessed pan head screw (see the pictures below for better understanding). For M5x25 cross recessed pan head screws, it is recommended to use a torque of 4Nm, while for M5x25 inner hexagon screws, it is recommended to use a torque of 2Nm on these bolts. Before installed on the machine, it is recommended to first clean thread parts with isopropanol and add Loctite 243 to threads.
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