Turnbuckle open | eye/hook | A4 | M8246
Turnbuckle open eye/hook (wire tensioner) in A4 stainless steel is designed for use in corrosive and marine environments. The product is used where stepless length adjustment and controlled tensioning of wire, cable, or stays are required. The version with an eye at one end and a hook at the other allows for quick assembly and disassembly in applications where one attachment point needs to be openable. The design enables precise fine-tuning of tension and length without dismantling the entire assembly. It is suitable for installations where high corrosion resistance, reliable function, and long service life are critical.
APPLICATION
The product is used in marine rigging, wire systems, railing installations, building structures, and outdoor environments. It is intended for applications where adjustable wire tension, re-tightening, and precise length setting are required, such as in wire railings, stay ropes, and temporary tensioning. The eye/hook version is used where a fixed attachment is combined with a quickly detachable connection point, such as when mounting to an eye, ring, or bolt. The material provides resistance to saltwater, moisture, and chemically aggressive environments.
TECHNICAL SPECIFICATIONS
Product type: Fitting
Product family: Turnbuckle
Material class: A4
Strength class: Not specified
Standard: Not specified
Thread dimension: M5–M20
Version: Eye/hook
Surface finish: Bright
Environment: Marine
Delivery unit: Piece
FREQUENTLY ASKED QUESTIONS (FAQ)
How does a turnbuckle with eye and hook work?
The turnbuckle has a central body with threads at both ends – one right-hand threaded and one left-hand threaded. As you turn the body, the eye and hook are either drawn closer together or pushed apart simultaneously. This makes it easy to fine-tune the tension in wires, chains, or fences without rotating the wire itself.
Why is the turnbuckle made of acid-proof stainless steel (A4)?
A4 steel (AISI 316 / 1.4401) is alloyed with molybdenum, providing maximum corrosion protection. This makes the turnbuckle extremely resistant to saltwater, road salt, and aggressive chemical environments. It is therefore ideal for marine installations on boats, rigs, coastal fences, and other demanding outdoor environments.
When should you choose the eye/hook combination over two eyes or two hooks?
The eye/hook combination provides maximum flexibility during installation. The eye is attached permanently to a shackle, bolt, or fixed point where it cannot accidentally unhook, while the hook makes it quick and easy to hook and unhook the wire or chain as needed.