Swaged shackle | wing screw | A4
If you are looking for a pressed shackle capable of direct connection and anchoring in demanding environments without rusting, the Pressed shackle with A4 stainless steel pin is a reliable choice. It is manufactured from A4 / AISI 316 acid-proof stainless steel and designed to withstand moisture, salt, chemicals, and temperature fluctuations. The pressed shackle with wing screw A4 is used where durability and corrosion resistance are essential – especially in marine, industrial, or outdoor environments.
APPLICATION AREA
The pressed shackle with wing screw A4 is intended for the secure connection of chains, wire ropes, or ropes in environments such as coastal areas, boat equipment, fishing, food production, or chemical facilities. The wing screw provides a secure and vibration-resistant connection without the need for additional fittings.
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TECHNICAL SPECIFICATIONS
Product type: Shackle
Standard: Not specified
Quality: A4 / AISI 316
Material class: Not specified
Thread type: Threaded wing screw
Surface treatment: Untreated (natural stainless steel)
Head shape: U-shape with wing screw
Grip type: Not applicable
FREQUENTLY ASKED QUESTIONS (FAQ)
What does it mean that the shackle is "pressed" and what are the advantages?
A pressed shackle is formed by hot or cold pressing stainless plate/bar instead of casting. This results in a very compact construction with a smooth surface finish, low dead weight, and uniform material density without casting porosity. This makes the shackle especially suitable for applications where space is limited and a smooth line path is required.
What is the advantage of a wing screw on a shackle?
The wing screw has a wing-shaped grip that allows the shackle to be opened and closed by hand without tools. This provides quick connection and disconnection, while the threaded screw keeps the shackle closed. Regularly check that the wing screw is tightened and secure it with locking wire if necessary in environments with vibrations. The shackle is not intended for lifting.
Why is acid-proof A4 / AISI 316 an absolute requirement in marine and chemical environments?
Acid-proof A4 steel (AISI 316 / 1.4401) contains molybdenum, which provides complete protection against crevice and pitting corrosion. In marine environments with continuous contact with saltwater or in industrial spaces with chemical vapors, the A4 quality protects the shackle from corroding and seizing, ensuring long service life and reliable function over time.