Turnbuckle Eye and Eye Overview
GUANGTONG METAL supplies eye and eye turnbuckles for wire rope tensioning, cable adjustment and general-purpose connection systems. Featuring an open-body construction with closed eye fittings at both ends, these turnbuckles provide adjustable connections for wire rope assemblies, fencing systems, agricultural trellises and industrial cable installations.
The eye and eye configuration allows both ends to be connected using compatible shackles, pins or other suitable fittings. Compared with open-hook configurations, closed-eye connections can provide improved connection retention when properly assembled.
Eye and eye turnbuckles can be specified in galvanized carbon steel or stainless steel, subject to production availability. Stainless steel options may include AISI 304 and AISI 316 for applications requiring different levels of corrosion resistance.
The central body operates with opposite-hand threaded end fittings, allowing the effective assembly length and cable tension to be adjusted by rotating the turnbuckle body.
The listed nominal thread sizes range from M4 to M24. Material grades, surface finishes, dimensional requirements and export packaging can be discussed according to customer specifications.
Material and Surface Finish Options
Galvanized Carbon Steel Eye and Eye Turnbuckles
Galvanized carbon steel eye and eye turnbuckles provide a cost-effective option for general-purpose wire rope tensioning and cable connection applications.
Zinc coating protects the carbon steel substrate through sacrificial corrosion protection. The appropriate coating method depends on environmental exposure, product design and customer requirements.
Electro-Galvanized Finish
Electro-galvanizing provides a relatively thin and uniform zinc coating with a smooth appearance. It is commonly used for general-purpose hardware and installations with limited to moderate environmental exposure.
Hot-Dip Galvanized Finish
Hot-dip galvanizing generally provides a thicker protective zinc coating and may be preferred for outdoor installations. Coating thickness, thread tolerances and assembly compatibility must be considered when selecting hot-dip galvanized threaded fittings.
Galvanized carbon steel eye and eye turnbuckles may be considered for agricultural trellis structures, fencing systems, landscaping and industrial cable installations.
AISI 304 Stainless Steel Eye and Eye Turnbuckles
AISI 304 stainless steel provides good general corrosion resistance in many indoor and outdoor environments.
Its chromium-rich passive layer helps resist atmospheric corrosion without requiring a zinc coating.
304 stainless steel eye and eye turnbuckles may be selected for architectural cable installations, landscaping structures and general-purpose outdoor wire rope assemblies.
AISI 316 Stainless Steel Eye and Eye Turnbuckles
AISI 316 stainless steel contains molybdenum, which improves resistance to localized corrosion in many chloride-containing environments compared with AISI 304.
316 stainless steel eye and eye turnbuckles may be preferred for coastal installations, marine-adjacent environments and other applications involving increased humidity or salt exposure.
However, 316 stainless steel is not completely corrosion-proof. Appropriate installation, cleaning and maintenance remain important, particularly where chloride deposits and crevice corrosion may occur.
Key Features
Closed Eye and Eye Connections
Both ends feature closed eye fittings that can be connected to compatible shackles, pins or other suitable connecting hardware.
When correctly assembled, closed-eye connections can reduce the risk of accidental disengagement compared with open-hook fittings.
Adjustable Cable Tension
The opposite-hand threaded fittings allow simultaneous adjustment when the central body is rotated, enabling controlled changes to cable assembly length and tension.
Multiple Material Options
Galvanized carbon steel and stainless steel configurations can be considered according to corrosion exposure, appearance, mechanical requirements and project budget.
Wide Size Range
Nominal thread sizes from M4 to M24 provide dimensional options for different wire rope tensioning and cable connection requirements.
Open Body Construction
The open-frame design allows visual inspection of threaded fittings and convenient adjustment during installation and maintenance.
Bulk Supply and OEM Support
Material grades, surface finishes, dimensions, packaging and labeling requirements can be discussed for wholesale and project procurement orders.
Technical Specifications
The following dimensions are based on the supplied eye and eye turnbuckle specification chart.
| Size | C (mm) | D (mm) | L (mm) | L1 (mm) | Adjustable Distance (mm) |
|---|---|---|---|---|---|
| M4 | 9.30 | 5.00 | 60.00 | 107.00 | 39.00 |
| M5 | 9.70 | 5.00 | 73.00 | 124.00 | 59.00 |
| M6 | 10.50 | 6.00 | 91.00 | 150.00 | 64.00 |
| M8 | 12.50 | 8.00 | 122.80 | 192.00 | 96.00 |
| M10 | 15.00 | 10.00 | 150.00 | 240.00 | 115.00 |
| M12 | 17.50 | 12.00 | 197.00 | 303.00 | 163.00 |
| M16 | 26.50 | 16.00 | 248.00 | 385.00 | 193.00 |
| M20 | 30.10 | 20.00 | 299.00 | 465.00 | 232.00 |
| M24 | 24.90 | 24.00 | 356.00 | 531.00 | 269.00 |
Packaging and Approximate Weight
| Size | Packing Quantity (pcs/bag) | Approx. Weight (kg/1,000 pcs) |
|---|---|---|
| M4 | 100 | 35.80 |
| M5 | 100 | 39.50 |
| M6 | 50 | 77.60 |
| M8 | 20 | 134.80 |
| M10 | 10 | 265.00 |
| M12 | 10 | 486.00 |
| M16 | 2 | 1014.00 |
| M20 | 2 | 1968.00 |
| M24 | 2 | 3399.00 |
Technical Note: Dimensions and approximate weights are based on the supplied specification chart. C, D, L and L1 correspond to the original dimensional labels. Working Load Limit (WLL), Minimum Breaking Load (MBL) and material-specific dimensional tolerances are not provided. All specifications should be verified before order confirmation.
Applications
Wire Rope Tensioning Systems
Eye and eye turnbuckles provide adjustable connections for compatible wire rope assemblies, helping installers set cable tension and maintain the required alignment.
Agricultural Trellis and Vineyard Systems
Galvanized carbon steel eye and eye turnbuckles may be used in vineyard trellis structures, crop support systems and agricultural cable installations requiring adjustable tensioning connections.
Fencing and Boundary Cable Systems
These turnbuckles can be incorporated into suitably designed fencing and boundary cable installations where controlled tension adjustment is required.
Architectural and Landscaping Applications
Stainless steel eye and eye turnbuckles may be selected for architectural cable systems, garden structures and exposed installations where appearance and corrosion resistance are important.
Marine and Coastal Environments
AISI 316 stainless steel eye and eye turnbuckles may be considered for selected marine-adjacent cable installations, subject to corrosion exposure, mechanical loading and connection requirements.
General Industrial Applications
Eye and eye turnbuckles can be used in appropriately designed cable alignment, equipment positioning and non-lifting tension adjustment systems.
Installation and Safety Guidelines
- Select the appropriate turnbuckle size, material and verified load capacity for the intended application.
- Inspect the turnbuckle body, eye fittings and threads for damage before installation.
- Connect both eye ends using compatible and appropriately rated connecting fittings.
- Ensure that shackles, pins or other connecting hardware are correctly installed and secured.
- Rotate the central body to adjust the effective length and tension of the cable assembly.
- Maintain sufficient thread engagement at both ends according to the manufacturer’s instructions.
- Avoid excessive tightening, side loading, shock loading and loading beyond the verified product capacity.
- Inspect the assembly regularly for corrosion, loosening, deformation and thread damage.
Safety Notice: General-purpose eye and eye turnbuckles must not be assumed suitable for overhead lifting, fall protection, personnel support or other safety-critical applications. Such uses require appropriately designed and rated products with verified load capacities.
Quality Control
GUANGTONG METAL supports specification-based inspection requirements for wire rope fittings and accessories.
Depending on the order requirements, inspection may include:
- Material grade verification
- Dimensional and thread size inspection
- Eye fitting geometry inspection
- Thread engagement and adjustment checks
- Surface finish and coating inspection
- Visual inspection for defects and deformation
- Packaging quantity and approximate weight verification
- Product labeling and carton marking checks
Additional mechanical testing, material documentation and inspection reports should be agreed upon before order confirmation.
OEM and Bulk Supply
GUANGTONG METAL supplies wire rope accessories for distributors, industrial buyers, cable assembly manufacturers and project procurement customers.
Order requirements may include:
- Galvanized carbon steel and stainless steel material options
- AISI 304 and AISI 316 stainless steel grades
- Electro-galvanized and hot-dip galvanized finishes
- M4–M24 nominal thread sizes
- Specified dimensions and adjustment ranges
- Customized packaging and carton markings
- Product labeling and export documentation
- Inspection and testing requirements
Please contact our sales team to confirm available materials, surface finishes, dimensional standards, minimum order quantities and delivery schedules.
FAQ
What is an eye and eye turnbuckle?
An eye and eye turnbuckle is an adjustable threaded fitting featuring a central body and closed eye fittings at both ends. It is used to adjust the effective length and tension of compatible cable and wire rope assemblies.
What is the difference between eye and eye, eye and hook, and hook and hook turnbuckles?
Eye and eye turnbuckles have two closed-eye connections. Eye and hook turnbuckles combine one closed eye with one open hook, while hook and hook turnbuckles have two open hooks.
Closed-eye configurations can provide improved connection retention when used with appropriate connecting hardware.
What materials are available?
Galvanized carbon steel and stainless steel configurations may be available. Stainless steel options can include AISI 304 and AISI 316, depending on the specific product and production requirements.
Which material is better for outdoor applications?
Galvanized carbon steel can provide economical corrosion protection for many outdoor installations. Stainless steel may be preferred where corrosion resistance and appearance are important. AISI 316 generally offers better resistance to chloride-related localized corrosion than AISI 304.
What sizes are available?
The listed nominal thread sizes range from M4 to M24, including M4, M5, M6, M8, M10, M12, M16, M20 and M24.
Are eye and eye turnbuckles manufactured according to DIN 1480?
The applicable manufacturing and dimensional standard must be confirmed for the specific product. Compliance with DIN 1480 or another standard should not be assumed solely from product appearance or size range.
Can eye and eye turnbuckles be used for lifting?
General-purpose eye and eye turnbuckles should not be used for overhead lifting unless the specific product is designed, tested and rated for that purpose.
Can you provide OEM packaging?
Customized packaging, labeling, carton markings and export packing arrangements can be discussed according to order requirements.
What information is required for a quotation?
Please provide the nominal thread size, material grade, surface finish, quantity, intended application, packaging requirements and destination country.
Request a Quote
Looking for galvanized or stainless steel eye and eye turnbuckles for your wire rope tensioning or cable installation project?
Contact GUANGTONG METAL with your required sizes, material specifications, quantities and application details. Our team can assist with dimensional information, material selection, packaging options and export quotations.
Send us your specifications to request a quotation for eye and eye turnbuckles.