Text-module Coefficient of friction: µ total 0.14 for nuts and bolts without aftertreatment and for phosphated nuts. Tighten by hand. Tightening torques, unless otherwise specified, can be taken from the following table. PM-Picturemodule PMTAB_Picture General All types Tractor / General system Tightening torques for bolts in Nm A Date Version Page Tightening torques for bolts in Nm Capitel Index Docu-No. 03/2000 a 1/1 0000 A 000007