Description
US open hook ends US Type Electro Galvanized Turnbuckle
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 rings.
Key Features
- Type: US Type Turnbuckle
- Configuration: Hook & Hook
- End Connections: Open Hook at Both Ends
- Construction: Electric Galvanized
- 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.
Dimension Reference & Technical Specifications:

| 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 |
| Configuration | Hook & Hook |
| Material | Electric Galvanized |
| 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 Electric Galvanized 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.
Heavy Tools Company Commercial (L.L.C.)
Industrial & Lifting Equipment – Saudi Arabia
Email:: sales@heavytools.sa

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