Turnbuckles Rigging / Bottle Screws

Rigging / Bottle Screws

Refer IS : 6132 (Part II) 1972 for Dee Shackles
Refer IS : 2315 - 1978 for Solid Thimbles
Dimensions For Tubular Bodies And Screwed Eyes

Nominal
Size
Dia of
Rope
mm
H1
B
C
Dia
D
Dia
E
F
Dia Min
K
Dia
M
Proof
Load
kn
Safe
Working Load
kn
Closed
mm
Open
mm
M12
8
330
525
230
27
10
4
20
12
177
10.0
5.0
M16
10
370
550
230
27
10
4
22
12
197
18.0
9.0
M20
12
400
570
230
34
10
4
25
16
211
28.0
14.0
M24
14
475
700
300
34
12
5
32
16
246
36.0
18.0
M27
16
550
825
360
43
12
5.5
35
20
290
44.0
22.0
M30
18
550
825
360
43
14
5.5
38
20
290
63.0
31.5
M33
20
600
875
380
48
14
6.5
44
25
325
75.0
37.5
M36
22
600
875
380
60
16
6.5
47
25
325
86.0
43.0
M39
25
660
960
400
60
16
6.5
50
25
350
100.0
50.0
M45
29
700
960
400
76
19
6.5
60
28
378
112.0
56.0
M52
32
750
1000
400
76
19
8
70
36
406
144.0
72.0
M56
35
775
1025
400
83
19
8
73
36
421
194.0
97.0
M60
38
800
1050
500
90
20
9.5
76
40
440
214.0
107.0
M64
41
1070
1450
580
95
20
13
91
47
580
286.0
143.0
M68
44
1120
1590
620
103
20
14
96
51
635
342.0
171.0
M75
48
1270
1700
660
111
20
14
103
57
690
400.0
200.0
M80
51
1360
1760
700
119
20
15
112
63
740
500.0
250.0
M90
54
1440
1860
740
127
20
16
122
69
790
624.0
312.0

Note : For intermediate sizes of wire ropes, the next larger size of bull dog grip shall be used.