RN-03*04 for size 3/16" x 1/4" 16H
RN-04*06 for size 1/4" x 3/8" 21H
RN-06*08 for size 3/8" x 1/2" 25H
RN-08*10 for size 1/2" x 5/8" 32H
RN-10*12 for size 5/8" x 3/4" 32H

✽Strong reducing nut is available.
另有上料材質可選購