Schwing SP 1800-D, Original Operating Instructions

Page: 248 / 390

4.5-4
000.024.14-EN
2.
SCREWS AND NUTS ACCORDING TO DIN 912
–
931
–
933
–
934
–
6914
–
6915
VALID for: 1. Black (PHO), yellow chromated (A2C, A3C) and galvanised (galv.) screws
and nuts
For this, the friction value µ = 0.14 is assumed!
Coarse-pitch thread Fine-pitch thread
T
h
re
a
d
d
e
s
ig
n
a
ti
o
n
* Mounting tightening torque
(Nm, ft lb)
T
h
re
a
d
d
e
s
ig
n
a
ti
o
n
* Mounting tightening torque
(Nm, ft lb)
Strength class Strength class
8.8 10.9 12.9 8.8 10.9 12.9
Nm ft lb Nm ft lb Nm ft lb Nm ft lb Nm ft lb Nm ft lb
M 4 X 0.7 2.7 2 4 3 4.6 3 M 8 X 1 24 18 35 26 41 30
M 5 X 0.8 5.3 4 7.8 6 9 7 M 10 X 1 50 37 70 52 85 63
M 6 X 1 8 6 13.5 10 16.2 12 M 10 X 1.25 46 34 65 48 80 59
M 8 X 1.25 22 16 32 24 38 28 M 12 X 1.25 83 61 120 89 145 107
M 10 X 1.5 44 32 64 47 75 55 M 12 X 1.5 80 59 115 85 140 103
M 12 X 1.75 76 56 112 83 130 96 M 14 X 1.5 130 96 190 140 230 170
M 14 X 2 120 89 180 133 210 155 M 16 X 1.5 200 148 295 218 350 258
M 16 X 2 185 136 275 203 325 240 M 18 X 1.5 300 221 435 321 510 376
M 18 X 2.5 270 199 385 284 450 332 M 20 X 1.5 425 313 610 450 680 502
M 20 X 2.5 380 280 550 406 640 472 M 20 X 2 710 524
M 22 X 2.5 520 384 740 546 870 642 M 22 X 1.5 580 428 825 608 940 693
M 24 X 3 650 479 940 693 1095 808 M 24 X 2 720 531 1030 760 1210 892
M 27 X 3 990 730 1390 1025 1620 1195 M 27 X 2 1030 760 1480 1092 1750 1291
M 30 X 3.5 1300 959 1890 1394 2200 1623 M 30 X 2 1480 1092 2110 1556 2470 1822
M 36 X 4 - - **2000 **1475 - -
* The mounting tightening torque corresponds to the axial force in the screw,
upon which its yield strength is used at 90% by traction and torsion.
** For octagonal tube boom column