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TM 9-2330-329-14&P
TORQUE VALUES FOR THREADED FASTENERS--Continued
0161 00
Table 1. Torque Limits.
CURRENT USAGE
MUCH USED
MUCH USED
USED AT TIMES
USED AT TIMES
QUALITY OF
INDETERMINATE
MINIMUM
MEDIUM
BEST
MATERIAL
COMMERCIAL
COMMERCIAL
COMMERCIAL
SAE GRADE
1 OR 2
5
6 OR 7
8
NUMBER
CAPSCREW HEAD
MARKINGS
MANUFACTURER'S
MARKS MAY VARY
THESE ARE ALL
SAE GRADE 5
(3 LINE)
CAPSCREW
BODY SIZE
TORQUE
TORQUE
TORQUE
TORQUE
inches thread
lb-ft (Nm)
lb-ft (Nm)
lb-ft (Nm)
lb-ft (Nm)
1/4
20
5 (7)
8 (11)
10 (14)
12 (16)
28
6 (8)
10 (14)
14 (19)
5/16
18
11 (15)
17 (23)
19 (26)
24 (33)
24
13 (18)
19 (26)
27 (37)
3/8
16
18 (24)
31 (42)
34 (46)
44 (60)
24
20 (27)
35 (47)
49 (66)
7/16
14
28 (38)
49 (66)
55 (75)
70 (95)
20
30 (41)
55 (75)
78 (106)
1/2
13
39 (53)
75 (102)
85 (115)
105 (142)
20
41 (56)
85 (115)
120 (163)
9/16
12
51 (69)
110 (149)
120 (163)
155 (210)
18
55 (75)
120 (163)
170 (231)
5/8
11
83 (113)
150 (203)
167 (226)
210 (285)
18
95 (129)
170 (231)
240 (325)
3/4
10
105 (142)
270 (366)
280 (380)
375 (508)
16
115 (156)
295 (400)
420 (569)
7/8
9
160 (217)
395 (536)
440 (597)
605 (820)
14
175 (237)
435 (590)
675 (915)
1
8
235 (319)
590 (800)
660 (895)
910 (1234)
14
250 (339)
660 (895)
990 (1342)
END OF TASK
0161 00-2
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