index

Pattern 183

straining screw pattern 38

Ø A Thread
B
C
G
H
ØI
N
O
Suitable for WLL
Wt. Kg’s
M 12
152
190
35
14
11
295
445
500 Kgs
0.9
M 16
152
202
40
18
14
340
490
750 Kgs
1.3
M 20
152
214
50
22
16
365
515
1.25 t
1.8
M 22
152
228
48
22
17
385
535
2 t
2.9
M 27
152
258
52
24
20
410
560
3 t
5.3
M 30
152
258
60
31
23
420
570
4 t
6
M 33
152
258
64
34
25
470
620
5 t
7
M 39
152
276
75
38
27
495
645
6 t
10
M 42 #
152
286
85
40
30
525
675
7.5 t
14
M 48 #
152
305
92
44
35
600
750
10 t
18
M 56 #
152
354
115
58
43
725
875
15 t
34
M 64 #
152
354
120
58
53
735
885
20 t
39

# ~ N. B - M 42, M 48, M 56 & M 64 produced with Cigar ended turnbuckle box forgings to BS 4429-1969.

WLL = Working Load Limit (straight pull only) - Factor Of Safety 5 : 1 E.g. WLL 5 t   Proof Loaded 10 t   Break Load 25 t
 

Options

  • Finish - Self colour, galvanised (threads cut after or spun) or Electro Plated
  • Longer lengths; offering more adjustment.
  • Larger diameter turnbuckles available to satisfy individual requirements.
  • Some longer adjustment 'Series 1' are available.
  • Fitted with locknuts.
  • Many sizes can be supplied in stainless steel, or exotics.