M6 Hex Jam Nut 710.1359 designed specifically for set screws on
Zap Operator Drive Pulleys. Set screws are essential for keeping drive
pulleys in place on the garage door operator, and these M6 Hex Jam Nuts
ensure that the set screw won’t unwind, slip, or move once it is
installed.
Features:
M6 Hex Jam Nut
For Set Screws on Zap Drive Pulleys
Helps keep drive pulleys firmly in place on the operator