WBM XPC500 Grapple Parts, Service And Installation page 53

TORQUE CHARTS
Torque Recommendations for Hydraulic Fittings
Estimated with clamp load as 75% of proof load as specified in ISO 898-1
Property Class
Minimum Tensile
Strength MPa
Nominal Size and
Thread Pitch
M5 x 0.80
M6 x 1.00
M7 x 1.00
M8 x 1.25
M10 x 1.50
M12 x 1.75
M14 x 2.00
M16 x 2.00
M18 x 2.50
M20 x 2.50
M22 x 2.50
M24 x 3.00
M27 x 3.00
M30 x 3.50
M33 x 3.50
M36 x 4.00
Lubed: Cleaned dry bolts lubricated with a standard medium viscosity machine oil. Lubricate all
contact areas of the bolts and washers. Lubricating the bolts is the suggested method.
Weldco-Beales Manufacturing
Metric Bolt Torque Table
8.8
8.8
M6 - M16: 800
M20 - M30: 830
Bolt Torque Specifications in Foot Pounds or (Inch Pounds)
Dry Lubed
(54) (41)
(92) (69)
(156) (116)
(225) (169)
37 28
65 49
104 78
161 121
222 167
314 235
428 321
543 407
796 597
1079 809
1468 1101
1886 1415
10.9
10.9
1040
Dry Lubed
(78) (59)
(133) (99)
(222) (167)
(333) (242)
53 40
93 69
148 111
230 172
318 238
449 337
613 460
776 582
1139 854
1543 1158
2101 1576
2699 2024
WBM
12.9 SHCS
1220
Dry Lubed
(91) (68)
(156) (116)
(260) (195)
(377) (284)
62 47
108 81
173 130
269 202
372 279
525 394
716 537
908 681
1331 998
1804 1353
2455 1842
3154 2366
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