Imperial Chart - Farm King HS8525 Operator And Parts Manual

HARDWARE TORQUE VALUES (CONT'D)

Imperial 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.
Table 4
SAE Grade 5
Unplated
Nominal
or
Size
Plated
Silver
1/4 6.2 (55*)
5/16 13 (115*)
3/8 23 (17)
7/16 37 (27)
1/2 57 (42)
9/16 81 (60)
5/8 112 (83)
3/4 198 (146)
7/8 193 (142)
1 289 (213)
SAE GRADE SAE GRADE
2 BOLTS 5 BOLTS
Grade A - No Notches
Grade B - One Circumferential Notch
Grade C - Two Circumferential Notches
164
SAE Grade 8
Plated Unplated
W / ZnCr or
Plated
Gold Silver
8.1 (72*) 9.7 (86*)
17 (149*) 20 (178*)
30 (22) 35 (26)
47 (35) 57 (42)
73 (54) 87 (64)
104 (77) 125 (92)
145 (107) 174 (128)
256 (189) 306 (226)
248 (183) 495 (365)
373 (275) 742 (547)
NOTE: Torque values shown with * are inch pounds.
Identification of Hex Cap Screws and Carriage Bolts
SAE GRADE
8 BOLTS
Identification of Hex Nuts and Lock Nuts
Specifications - High Speed Compact Disc
Plated Unplated
W / ZnCr or
Plated
Gold Silver
12.6 (112*) 13.6 (121*) 17.7 (157*)
26 (229*) 28 (250*)
46 (34) 50 (37)
73 (54) 80 (59)
113 (83) 123 (91)
163 (120) 176 (130)
224 (165) 244 (180)
397 (293) 432 (319)
641 (473) 698 (515)
960 (708) 1048 (773) 1356 (1000)
SAE GRADE
B
Grade A - No Mark
Grade B - Letter B
Grade C - Letter C
LOCK NUTS
Plated
Grade
W / ZnCr
W / Gr. 5
Bolt
Gold
6.9 (61*)
37 (324*) 14 (125*)
65 (48) 26 (19)
104 (77) 41 (30)
159 (117) 61 (45)
229 (169) 88 (65)
316 (233) 122 (90)
560 (413) 217 (160)
904 (667) 350 (258)
523 (386)
SAE GRADE
5 NUTS
2 NUTS
Grade A - No Marks
Grade B - Three Marks
Grade C - Six Marks
(Marks not always located at corners)
Grade
W / Gr. 8
Bolt
9.8 (86*)
20 (176*)
35 (26)
57 (42)
88 (64)
125 (92)
172 (127)
306 (226)
494 (364)
739 (545)
SAE GRADE
8 NUTS