Buhler 535 User Manual
Page 237
6-22
435/485/535
Section 6 - Specifications
Hardware Torque Values - Inch
Nominal
Size
SAE Grade 2
SAE Grade 5
SAE Grade 8
Locknuts
Unplated
or
Plated
Silver
Plated
W/zncr
Gold
Unplated
or
Plated
Silver
Plated
W/zncr
Unplated
or
Plated
Silver
Plated
W/zncr
GR .B w/
GR5 Bolts
GR .C w/
GR5 Bolts
/4
55* (6 .2)
7 .2* (8 .)
86* (9 .7)
2* (3)
2* (4) 57* (8)
6* (6 .9)
86* (9 .8)
5/6
5* (3)
49* (7)
78* (20) 229* (26)
250* (28) 324* (37)
25* (4)
76* (20)
3/8
7 (23)
22 (30)
26 (35)
34 (46)
37 (50)
48 (65)
9 (26)
26 (35)
7/6
27 (37)
35 (47)
42 (57)
54 (73)
59 (80)
77 (04)
30 (4)
42 (57)
/2
42 (57)
54 (73)
64 (87)
83 (3)
9 (23)
7 (59)
45 (6)
64 (88)
9/6
60 (8)
77 (04)
92 (25)
20 (63)
30 (76)
69 (229)
65 (88)
92 (25)
5/8
83 (2)
07 (45)
28 (74)
65 (224)
80 (244)
233 (36)
90 (22)
27 (72)
3/4
40 (98)
89 (256)
226 (306)
293 (397)
39 (432)
43 (560)
60 (27)
226 (306)
7/8
42 (93)
83 (248)
365 (495)
473 (64)
55 (698)
667 (0904)
258 (350)
364 (494)
23 (289)
275 (373)
547 (742)
708 (960)
773 (048) 000 (356)
386 (523)
545 (739)
NOTE: Torque values shown with * are inch pounds .
Identification of Hex Cap Screws and Carriage Bolts
Minimum hardware tightening torques
In foot pounds (newton-meters) for normal assembly applications .
Inch hardware and locknuts
F6-2
Locknuts
Grade Identification
Grade A: No Notches
Grade B: One Circumferential Notch
Grade C: Two Circumferential Notches
Grade Identification
Grade A: No Mark
Grade B: Letter B
Grade C: Letter C
Grade Identification
Grade A: No Marks
Grade B: Three Marks
Grade C: Six Marks
Marks need not be located ta corners
SAE Grade 5
Hex Nuts
SAE Grade 6
Hex Nuts
Regular Nuts
Grade 2 SAE
Bolts
Grade 5 SAE
Bolts
Grade 8 SAE
Bolts
B