Joined: Jul 2015
Posts: 7,494
Likes: 3,296
From: NW Oregon
Bikes: 1982 Trek 930R Custom, '91 Diamondback Ascent w/ XT, XTR updates, Fuji Team Pro CF road flyer, Specialized Sirrus Gravel Convert, '09 Comencal Meta 5.5 XC, '02 Marin MBX500, '84 Gitane Criterium bike
that's about the same torque as used on a seat post clamp.
seems appropriate... if you're worried, just use a lower spec. of 4nm, then add a bit if the der. slips down during use.