US Type Drop Forged Hook & Hook Turnbuckle – Heavy-duty galvanized steel tensioning component featuring open hook connections at both ends, designed for controlled tension adjustment in wire rope assemblies, cable systems, structural bracing, fencing, and industrial applications.
Key Features:
Construction: Heavy-duty drop forged steel.
Configuration: Hook & Hook with adjustable threaded body.
Turnbuckle is a heavy-duty adjustable
tensioning component designed for controlled
adjustment of tension and length in steel wire
rope, cable, structural bracing and general
industrial tensioning systems.
It features open hook connections at both
ends, allowing convenient attachment to
compatible eyes, rings and other suitable
connection points. By rotating the central
turnbuckle body, the connected assembly can
be tightened or loosened without rotating
the wire rope or cable.
The drop-forged steel construction
provides strength and durability for industrial
applications. The galvanized finish helps
protect the steel against corrosion in suitable
construction, outdoor and industrial environments.
Key Features
Type: US Type Turnbuckle
Configuration: Hook & Hook
End Connections: Open Hook at Both Ends
Construction: Drop Forged Steel
Finish: Galvanized Steel
Function: Adjustable Cable and Wire Rope Tensioning
Loading: Straight or In-Line Pull Only
Available WLL: 500 lb to 21,400 lb
Size Range: 1/4″ × 4″ to 1-1/2″ × 24″
Adjustment: Opposing Threaded End Fittings
Product Construction
The Hook & Hook configuration
provides an open hook fitting at each end of the
turnbuckle. This design allows connection to
compatible rings, eyes and other suitable
attachment points without requiring a removable
clevis pin.
Dimension Reference & Technical Specifications:
Technical measurement guide for US Type Drop Forged Galvanized Hook & Hook Turnbuckles, illustrating closed length (K), open length (J), hook dimensions and threaded body measurements.
Size
(inch)
Working Load
Limit (lb)
Dimensions (in.)
Weight
(lb/pc)
A
D
E
Closed
F
J
Open
K
Closed
M
Open
N
Closed
BB
1/4″ × 4″
500
0.25
0.45
1.59
1.27
11.12
7.12
11.94
7.94
4.00
0.30
5/16″ × 4-1/2″
800
0.31
0.50
1.94
1.50
12.81
8.31
13.81
9.31
4.50
0.47
3/8″ × 6″
1,200
0.38
0.56
2.30
1.77
16.50
10.50
17.72
11.72
6.00
0.78
1/2″ × 6″
2,200
0.44
0.66
2.94
2.28
18.82
11.82
20.38
13.38
6.00
1.60
1/2″ × 9″
2,200
0.50
0.66
2.94
2.28
24.82
14.82
26.38
16.38
9.00
1.83
1/2″ × 12″
2,200
0.50
0.66
2.94
2.28
30.82
17.82
32.38
19.38
12.00
2.28
5/8″ × 6″
3,500
0.50
0.90
3.69
2.81
20.50
13.25
22.50
15.25
6.00
2.75
5/8″ × 9″
3,500
0.63
0.90
3.69
2.81
26.50
16.25
28.50
18.25
9.00
3.38
5/8″ × 12″
3,500
0.63
0.90
3.69
2.81
32.50
19.25
34.50
21.25
12.00
3.50
3/4″ × 6″
5,200
0.75
0.98
4.52
3.33
22.38
14.88
24.78
17.28
6.00
5.39
3/4″ × 9″
5,200
0.75
0.98
4.52
3.33
28.38
17.88
30.78
20.28
9.00
5.28
3/4″ × 12″
5,200
0.75
0.98
4.52
3.33
34.38
20.88
36.78
23.28
12.00
5.43
3/4″ × 18″
5,200
0.75
0.98
4.52
3.33
46.38
26.88
48.78
29.28
18.00
8.12
7/8″ × 12″
7,200
0.88
1.13
5.19
3.78
36.00
22.25
38.75
31.00
12.00
8.10
7/8″ × 18″
7,200
0.88
1.13
5.19
3.78
48.00
28.25
50.75
25.00
18.00
9.95
1″ × 6″
10,000
1.00
1.25
5.84
4.25
25.63
17.63
28.69
20.69
6.00
9.33
1″ × 12″
10,000
1.00
1.25
5.84
4.25
37.63
23.63
40.69
26.69
12.00
11.93
1″ × 18″
10,000
1.00
1.25
5.84
4.25
49.63
29.63
52.69
32.69
18.00
14.00
1″ × 24″
10,000
1.00
1.25
5.84
4.25
61.63
35.63
64.69
38.69
6.00
17.25
1-1/4″ × 12″
15,200
1.25
1.50
7.22
5.13
40.44
25.94
44.06
29.56
12.00
20.58
1-1/4″ × 18″
15,200
1.25
1.50
7.22
5.13
52.44
31.94
55.06
35.56
18.00
23.00
1-1/4″ × 24″
15,200
1.25
1.50
7.22
5.13
64.44
37.94
68.06
41.56
24.00
27.00
1-1/2″ × 12″
21,400
1.50
1.88
8.34
5.75
43.94
28.94
47.44
32.44
12.00
27.50
1-1/2″ × 18″
21,400
1.50
1.88
8.34
5.75
55.96
34.94
59.44
38.44
18.00
31.00
1-1/2″ × 24″
21,400
1.50
1.88
8.34
5.75
67.94
40.94
71.44
44.44
24.00
37.50
Proof Load: 2.5 × Working Load Limit.
Safety Factor: 5:1.
Fatigue Testing: 1.5 × Working Load Limit.
Minimum Breaking Load: 5 × WLL.
Specifications:
Product Type
US Type Turnbuckle
Configuration
Hook & Hook
Material
Drop Forged Steel
Finish
Galvanized
End Connections
Open Hook / Open Hook
Loading Direction
Straight or In-Line Pull Only
WLL Range
500 lb to 21,400 lb
Size Range
1/4″ × 4″ to 1-1/2″ × 24″
Adjustment
Opposing Threaded Rods
Specification Units
Imperial – Inches and Pounds
Typical Applications
US Type Drop Forged Hook & Hook Turnbuckles
are commonly used:
Steel wire rope and cable tensioning
Industrial fencing and barrier systems
Guy wire tensioning systems
Structural bracing assemblies
Construction tensioning applications
Industrial maintenance installations
General-purpose cable adjustment
Request a Quotation
For pricing and availability, please provide: thread diameter × take-up, required WLL,
quantity and application.
If dimensional compatibility is important,
include the required hook opening or
installation dimensions.
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