Maximum torque values recommnded for screws

maximum-torque-values

Maximum torque values recommnded for screws

Maximum torque values | The values ​​presented in the below table are calculated by theoretical methods and are informative.
The following considerations were taken into consideration:
– new screws, uncovered and without lubricants.
– tension up to 90% of the bolt yield strength.
– coefficient of friction 0.14

Surub
Screw
Hexagon tubulara
Socket hexagon
Hexagon imbus
Allen key hex.
Grupa 8.8
Bolt grade
Grupa 10.9
Bolt grade
Grupa 12.9
Bolt grade
NmNmNm
M 1.63.20.180.260.31
M241.50.380.530.63
M2.5520.781.091.31
M35.52.51.351.92.27
M4732.543.574.29
M5846.098.5610.3
M610510.514.717.7
M8136/725.335.542.7
M10178/950.871.585.8
M121910/1286.9122147
M1422139195234
M162414213299359
M1827293413495
M203017416585702
M2232563792950
M24361971910111213
M2741106014911789
M304622144020252430
M335024195627513301
M365527251735404248
M396030326945975517
M426532404956936832
M4570506771268551
M4875366101858010296
M528078591105213263
M568597331368716425
M6090121021701820422
M6495145762049824597
M68100176462481429777
M72105210812964535573
M76110249733511842141
M80115293144122249467
M90130425255980171761
M100145592008325099900

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