Kioti RX7320 - Metric Fastener Torque Chart

12
TORQUETIGHTENINGCHART 12-3
METRIC FASTENER (ISO) TORQUE CHART
Note :Usethesetorques,unlessspecialtorquesarespecied.ValuesareforUNCandUNFthreadfasteners,platedorunplated
asreceivedfromsupplier.Fastenerscanbedryorlubricatedwithnormalengineoil.
  Valuesdonotapplyifgraphite,moly-disulphideorotherextremepressurelubricantisused.
ISO Class No. 8.8 10.9 12.9
Boltheadidentication
(See note 1)
Bolt Size
Nm LB FT Nm LB FT Nm LB FT
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Max.
M4 3 4 2 3 4 5 3 4 Because ofthelowductility
ofthesefasteners,thetorque
range is to be determined
individuallyforeachapplication.
As ageneral rule,thetorque
rangesspecified forgrade
10.9fastenerscan beused
satisfactorilyon12.9fasteners.
*M14isnotapreferredsize.
M5 6.5 8 5 6 9.5 11 7 8
M6 10.5 12 8 9 15 17.5 11 13
M8 26 31 19 23 37 43 27 32
M10 52 61 38 45 73 87 54 64
M12 90 107 66 79 125 150 93 112
*M14 144 172 106 127 200 245 149 179
M16 217 271 160 200 310 380 230 280
M20 434 515 320 380 610 730 450 540
M24 675 815 500 600 1050 1275 780 940
M30 1250 1500 920 1100 2000 2400 1470 1770
M36 2175 2600 1600 1950 1120 1240 1519
Note :Boltheadidenticationmarksaspergrade.Manufacturingmarkswillvary.
TORQUE TIGHTENING CHART 2
8.8 10.9 12.9
KL701-AU-12.indd 3 2013-03-29 오전 11:29:16