jost JSK 39 - 5.3 Fastening Material and Tightening Torques

5 Installation
5.3 Fastening material and tightening torques
Fastening material
Strength
class 8.8
Strength
class 10.9
Hexagonal bolt DIN EN 24014/24017 (DIN 931/933) standard thread M16
M20
Hexagonal bolt DIN EN 28765/28676 (DIN 960/961) fine thread M16 x 1.5
M20 x 1.5
Hexagonal bolt DIN 7991 M16 or M16 x 1.5
M20 or M20 x 1.5
210 Nm
410 Nm
225 Nm
460 Nm
170 Nm
330 Nm
260 Nm
500 Nm
280 Nm
500 Nm
250 Nm
400 Nm
ADVICE!
The values shown above are guide values for a coefficient of friction µ tot. = 0.14. Further information is available in VDI 2230.
14 MUB 002 004 M01 (REV-C) 04-2019 JSK 36 & JSK 37
JOST IND (REV-A) 06-2019
JSK 39