Farm King RP2, Operator And Parts Manual, Page: 56 / 64

Specifications And Shipping Kit Numbers - RP2, RP4, RP5 Wheel Rake
54
Hardware Torque Values
Metric Chart
NOTE: Do not use the values listed in the charts if a different torque value or tightening procedure is
specified in this manual for a specific application. Torque values listed are for general use only.
Use the following charts to determine the correct torque when checking, adjusting or replacing hardware.
Torque values are listed in newton-meters (inch* or foot pounds) for normal assembly applications.
Nominal
Size
Class 5.8 Class 8.8 Class 10.9 Lock nuts
Unplated
Plated
W / ZnCr
Unplated
Plated
W / ZnCr
Unplated
Plated W /
ZnCr
CL.8 W/ CL.
8.8 Bolt
M4 1.7 (15*) 2.2 (19*) 2.6 (23*) 3.4 (30*) 3.7 (33*) 4.8 (42*) 1.8 (16*)
M6 5.8 (51*) 7.6 (67*) 8.9 (79*) 12 (102*) 13 (115*) 17 (150*) 6.3 (56*)
M8 14 (124*) 18 (159*) 22 (195*) 28 (248*) 31 (274*) 40 (354*) 15 (133*)
M10 28 (21) 36 (27) 43 (32) 56 (41) 61 (45) 79 (58) 30 (22)
M12 49 (36) 63 (46) 75 (55) 97 (72) 107 (79) 138 (102) 53 (39)
M16 121 (89) 158 (117) 186 (137) 240 (177) 266 (196) 344 (254) 131 (97)
M20 237 (175) 307 (226) 375 (277) 485 (358) 519 (383) 671 (495) 265 (195)
M24 411 (303) 531 (392) 648 (478) 839 (619) 897 (662) 1160 (855) 458 (338)
NOTE: Torque values shown with * are inch pounds.
Identification of Hex Cap Screws and Carriage Bolts - Classes 5 and up
Identification of Hex Nuts and Lock Nuts - Classes 5 and up
XYZ
AB
8.8
8.8
8
8
AB
CD
AB
AB
MANUFACTURER’S IDENTIFICATION
MANUFACTURER’S IDENTIFICATION
PROPERTY CLASS
PROPERTY CLASS
CLOCK MARKED