Galvanized steel hook-and-hook turnbuckle with threaded

Turnbuckles

Turnbuckles hook and hook Commercial Type Malleable Steel

A commercial-grade malleable steel turnbuckle with hook ends on both sides, designed for tensioning cables, wires, ropes, and rigging systems. It features a central threaded body that allows adjustment to increase or decrease tension. Made by casting from malleable iron, it is suitable for general industrial and commercial rigging applications where cost efficiency and moderate load capacity are priorities.

Size: M16
Material: Malleable Iron
Type: Hook & Eye, Hook & Hook, Eye & Eye Process: Casting Surface: Electric Galvanized
Packing: Cartons or Gunny Bags and then on Pallets
Catalogue Family: Turnbuckles
Certificates: EN 10204 3.1 material test certificate on request

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Key Benefits

What Turnbuckles Hook and Hook Commercial Type Gives You

Hook ends on both sides allow direct attachment to anchor points or other rigging components without additional fittings
Adjustable central thread enables precise tension control in cable and rope systems
Malleable iron construction provides good impact resistance and ductility for non-repetitive dynamic loads
Electric galvanizing finish resists corrosion in indoor and light outdoor environments

Lower cost than forged steel turnbuckles with comparable dimensions and load ratings
Standardized M16 thread size allows compatibility with common rigging hardware and fittings
Casting process produces consistent shape and dimensional stability for reliable fit in assemblies

Application Scenarios

Where Turnbuckles Hook and Hook Commercial Type Is Used

Tensioning guy wires on temporary construction scaffolding or light steel structures
Adjusting cable tension in overhead conveyor systems or light-duty hoist setups
Securing load restraints in transport and logistics where moderate tension is required

Mounting and aligning light industrial equipment using cable-based tensioning
Supporting temporary rigging in event staging or temporary access platforms
Connecting rigging components in marine dockside or light port handling applications

Who It Is For

Buyers This Product Is Built For

Construction contractors specifying tensioning hardware for temporary structures
Logistics and transport companies managing load securing systems with cable tensioning
Industrial maintenance teams adjusting tension in light-duty rigging and lifting systems

Event and staging companies using cable-based rigging for temporary installations
Rigging distributors carrying a general-purpose turnbuckle range for commercial applications
Manufacturers of light industrial equipment needing adjustable tensioning components

Problems It Solves

Problems This Product Removes

The need to purchase separate tensioning hardware and attachment fittings from different suppliers
High cost of forged steel turnbuckles when only moderate strength and impact resistance are required
Lack of a ready-to-use hook-to-hook connection for quick rigging setup

Corrosion issues in indoor or sheltered environments due to inadequate surface protection
Inconsistent fit or thread engagement from low-quality castings with poor dimensional control
Difficulty in adjusting tension without adding extra components like shackles or turnbuckle adapters

Technical Features

Hook ends on both sides for direct connection to anchor points or rigging components
Central threaded body with M16 thread size for standard rigging compatibility
Malleable iron body produced by casting from Masteel, with controlled grain structure
Electric galvanized surface finish for corrosion resistance in dry to moderately humid environments

Standardized dimensions to DIN 1480 for interchangeability with other malleable steel turnbuckles
Threaded body allows continuous adjustment to tighten or loosen the system
Stamped working load limit and material grade on the body for traceability

Specifications

Turnbuckles Hook and Hook Commercial Type Specifications

Values published in the Kailipu catalogue for this item. Anything not listed is available on request.

Material	Malleable iron cast from Masteel
End Type	Hook and Hook
Thread Size	M16
Working Load Limit	Not specified in FACTS
Design Factor	Standard 4:1 minimum breaking load to safe working load
Surface Finish	Electric galvanized
Standards	DIN 1480
Packing	Cartons or gunny bags on pallets

Materials

Materials And Finishes

Malleable iron cast from Masteel, with controlled carbon content and graphite nodules for ductility
Electric galvanizing layer applied after casting for corrosion resistance

Threaded body made from a single cast piece to maintain structural integrity
Hook ends formed during casting to match the specified geometry and load path

Manufacturing Process

How This Product Is Made

1Molding of malleable iron blanks using sand casting techniques

2Heat treatment to convert cast iron into malleable iron with improved toughness

3Machining of the central thread and hook end geometries

4Electric galvanizing of the finished part to enhance surface protection

5Stamping of working load limit and material grade on the body

6Inspection for dimensional accuracy and surface defects

7Packing in cartons or gunny bags for shipment

Quality Control

Quality Control On Every Batch

Proof load testing on production batches before release
Dimensional tolerance checking against published size table
Visual inspection for casting defects such as porosity or cracks

Material Test Certificate to EN 10204 3.1 issued with the order on request
Breaking strength validation to confirm the 4:1 design factor
Third-party inspection accepted at the China warehouse before shipment

Customisation

Customisation Options

Custom tonnage stamping on the body for traceability
Private label and OEM marking available for brand-specific packaging
Custom surface finish including zinc plating, powder coating, or electrophoretic black

Custom packing configuration in cartons or gunny bags on pallets
Sizes and thread configurations built to a supplied drawing

Compare

How It Compares With The Alternatives

An honest read on where this pattern wins and where another one would serve you better.

Alternative	Honest Trade Off
Forged steel turnbuckle	Malleable steel is lower cost and sufficient for commercial use, but forged steel has better impact resistance and mechanical properties for heavy-duty or dynamic applications
Eye and eye turnbuckle	Hook and hook allows direct attachment to anchor points without needing a pin or bolt, but eye and eye offers more secure connection with pin fasteners
Threaded rod end turnbuckle	Hook and hook provides a faster connection without threading into components, but threaded rod ends allow for direct integration into threaded fittings
Jaw and eye turnbuckle	Hook and hook is simpler and cheaper, but jaw and eye offers better load distribution and secure pin connection in high-vibration environments

Use Guide

How To Use And Inspect Turnbuckles Hook and Hook Commercial Type

Match the stamped working load limit to the calculated system load, not to the equipment rating
Ensure both hook ends are fully engaged on the anchor point or component before applying tension
Turn the central body clockwise to tighten and counter-clockwise to loosen
Inspect the hook ends and threads for deformation or wear before each use
Do not exceed the rated working load under dynamic or shock loading conditions
Retire the turnbuckle if the body shows cracks, the hooks are deformed, or the finish is severely damaged