AEM SM100 - Tightening Torques

Technical Data
Tightening Torques 10.10
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[en-US] | 08/2022 | 5100064108 | SM100 | Operator’s Manual
10.10 Tightening Torques
Property Class 8.8 10.9 12.9 8.8 10.9
Screw Dimensions
Screws According to DIN 912, DIN 933, etc. Screws According to DIN 7984
Nm (ft. lbs.) Nm (ft. lbs.) Nm (ft. lbs.) Nm (ft. lbs.) Nm (ft. lbs.)
M5 5.5 (4) 8 (6) 10 (7) 5 (4) 7 (5)
M6 10 (7) 14 (10) 17 (13) 8.5 (6) 12 (9)
M8 25 (18) 35 (26) 42 (31) 20 (15) 30 (22)
M10 45 (33) 65 (48) 80 (59) 40 (30) 59 (44)
M12 87 (64) 110 (81) 147 (108) 69 (51) 100 (74)
M14 135 (100) 180 (133) 230 (170) 110 (81) 160 (118)
M16 210 (155) 275 (203) 350 (258) 170 (125) 250 (184)
M18 280 (207) 410 (302) 480 (354) 245 (181) 345 (254)
M20 410 (302) 570 (420) 690 (509) 340 (251) 490 (361)
M22 550 (406) 780 (575) 930 (686) 460 (339) 660 (487)
M24 710 (524) 1,000 (738) 1,190 (878) 590 (435) 840 (620)
M27 1,040 (767) 1,480 (1,092) 1,770 (1,305) 870 (642) 1,250 (922)
M30 1,420 (1,047) 2,010 (1,482) 2,400 (1,770) 1,200 (885) 1,700 (1,254)
Fine-pitched Thread
M8 x 1.0 25 (18) 37 (28) 43 (32) 22 (16) 32 (24)
M10 x 1.0 50 (37) 75 (55) 88 (65) 43 (32) 65 (48)
M10 x 1.25 49 (36) 71 (52) 83 (61) 42 (31) 62 (46)
M12 x 1.25 87 (64) 130 (96) 150 (111) 75 (55) 110 (81)
M12 x 1.5 83 (61) 125 (92) 145 (107) 72 (53) 105 (77)
M14 x 1.5 135 (100) 200 (148) 235 (173) 120 (89) 175 (129)
M16 x 1.5 210 (155) 310 (229) 360 (266) 180 (133) 265 (195)
M18 x 1.5 315 (232) 450 (332) 530 (391) 270 (199) 385 (284)
M20 x 1.5 440 (325) 630 (465) 730 (538) 375 (277) 530 (391)
M22 x 1.5 590 (435) 840 (620) 980 (723) 500 (369) 710 (524)
M24 x 2.0 740 (546) 1,070 (789) 1,250 (922) 630 (465) 900 (664)
M27 x 2.0 1,100 (811) 1,550 (1,143) 1,800 (1,328) 920 (679) 1,300 (959)
M30 x 2.0 1,500 (1,106) 2,150 (1,586) 2,500 (1,844) 1,300 (959) 1,850 (1,364)
YANMAR engine standard torque chart
The tightening torque in the following table should be applied only to the
bolts with a "7" head (JIS strength classification: 7T). Torque values shown
are for clean, non-lubricated fasteners unless otherwise specified.
• For 4T bolts and locknuts, apply 60% of the torque listed in the table.
• If aluminum alloy is contained in the parts to be tightened, apply 80 % of
the torque listed in the table.
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