Threaded Adaptor - 5/16 x 24 - 1/4 x 20
Threaded Adaptors give you the ability to use your Orbital Sander with all our sanding backer pads.
The sanding pad screws into a 5/16 x 24 thread. The adaptors we provide have the 5/16 x 24 thread on one end and 1/4 x 20 on the other. The second adaptor has 5/16 x 24 thread on one end and M-6 thread on the other.
Random Orbital Sander Instruction sheet (download pdf)