Tightening torque (Nm)Class 12.9, oil-lubric-atedTightening torque (Nm)Class 10.9, oil-lubric-atedTightening torque (Nm)Class 8.8, oil-lubricatedDimension14011582M12340290200M16670560400M201150960680M24Tightening torque for lubricated screws (Molykote, Gleitmo or equivalent) with allen head screwsThe following table specifies the recommended standard tightening torque forscrews lubricated with Molycote 1000, Gleitmo 603 or equivalent with allen headscrews.NoteA special torque specified in the repair, maintenance or installation procedureoverrides the standard torque.Tightening torque (Nm)Class 12.9, lubricated iTightening torque (Nm)Class 10.9, lubricated iDimension8M514M63528M87055M1012096M12300235M16550460M20950790M24i Lubricated with Molycote 1000, Gleitmo 603 or equivalentWater and air connectorsThe following table specifies the recommended standard tightening torque forwater and air connectors.NoteA special torque specified in the repair, maintenance or installation procedureoverrides the standard torque.Tightening torqueNm - Max.Tightening torqueNm - Min.Tightening torqueNm - NominalMaterialDimensionThe lower tightening torque of the two materials.MixedALL15812Brass only1/8201015Brass only1/4251520Brass only3/8503040Brass only1/2Continues on next page626 Product manual - IRB 67203HAC085697-001 Revision: C© Copyright 2023 ABB. All rights reserved.9 Reference information9.4 Screw jointsContinued