2-12GENERAL TORQUE SPECIFICATIONS/DEFINITION OF UNITS SPECThis chart specifies torque for standard faste-ners with standard I.S.O. pitch threads. Torquespecifications for special components or assem-blies are included in the applicable sections ofthis book. To avoid warpage, tighten multi-faste-ner assemblies in a crisscross fashion, in pro-gressive stages, until full torque is reached.Unless otherwise specified, torque specificationscall for clean, dry threads. Components shouldbe at room temperature. A: Distance across flatsB: Outside thread diameterEC230000DEFINITION OF UNITSEC220001GENERAL TORQUE SPECIFICATIONSA B TORQUE SPECIFICATION(Nut) (Bolt) Nm m•kg ft•lb10 mm 6 mm 6 0.6 4.312 mm 8 mm 15 1.5 1114 mm 10 mm 30 3.0 2217 mm 12 mm 55 5.5 4019 mm 14 mm 85 8.5 6122 mm 16 mm 130 13 94Unit Read Definition Measuremm milimeter 10-3 meter Lengthcm centimeter 10- 2 meter Lengthkg kilogram 103 gram WeightN Newton 1 kg × m/sec 2 ForceNm Newton meter N × m Torquem•kg Meter kilogrma m × kg TorquePa Pascal N/m2 PressureN/mm Newton per millimeter N/mm Spring rateL Liter — Volume or capacitycm3 Cubic centimeter — Volume or capacityr/min Revolution per minute — Engine speed
