Husqvarna M-ZT 52 Operation Manual - Page 54
TECHNICAL DATA, Torque Specifications
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TECHNICAL DATA Grade Torque Specifications Hex Head Cap Screws The torque values shown should be used as a general guideline when specific torque values are not given. U.S. Standard Hardware SAE Grade 5 SAE Grade 8 Shank Size (Diameter in inches, fine or coarse thread) Size ft./lbs Nm ft./lbs Nm ¼ 9 12 13 18 5/16 18 24 28 38 3/8 31 42 46 62 7/16 50 68 75 108 ½ 75 102 115 156 9/16 110 150 165 224 5/8 150 203 225 305 ¾ 250 339 370 502 7/8 378 513 591 801 11/8 782 1060 1410 1912 ** Grade 5 - Minimum commercial quality (lower quality not recommended) Metric Standard Hardware Grade Grade 8.8 Grade 10.9 Shank Size (Diameter in millimeters, fine or coarse thread) Size ft./lbs Nm ft./lbs Nm M4 1.5 2 2.2 3 M5 3 4 4.5 6 M6 5.2 7 7.5 10 M7 8.2 11 12 16 M8 13.5 18 18.8 25 M10 24 32 35.2 47 M12 43.5 58 62.2 83 M14 70.5 94 100 133 M16 108 144 147 196 M18 142 190 202 269 M20 195 260 275 366 M22 276 368 390 520 M24 353 470 498 664 M27 530 707 474 996 Flangelock Screw w/Flangelock Nut ft./lbs Nm 24 33 40 54 Grade 12.9 ft./lbs 2.7 5.2 8.2 15 21.8 43.5 75 119 176 242 330 471 596 904 Nm 3.6 7 11 20 29 58 100 159 235 323 440 628 794 1205 54