SQUARE HEAD PIN ANCHOR SHACKLES
SQUARE HEAD PIN ANCHOR SHACKLES
SQUARE HEAD PIN ANCHOR SHACKLES

SQUARE HEAD PIN ANCHOR SHACKLES

• Square Head Hole Pin Anchor Shackles 

Maximum Proof Load is 2 times the working load limit. 

Minimum Ultimate Load is 6 times the working load limit. 

• Capacities 2 thru 35 metric tons. 

• Forged - Quenched and Tempered, with alloy pins.  

• Working Load Limit permanently shown on every shackle.  

• Hot Dip galvanized or self colored.  

• Fatigue rated.  

• Test and mill Certificates are available upon request.

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A shackle is a u-shaped, load-bearing connecting device  designed to be used with a removable pin. Shackles can be  used in a number of different rigging and load securement  applications to connect different types of lifting slings, chain,  or rope to an object or to each other。 

There are four parts of shackle: bow pin, ear, shoulder. Bow – the curved portion of the shackle body opposite the  pin—often referred to as the bail, body, dee, or bowl Ears – portion of the shackle body that support the shackle  pin Pin – a steel bolt made to span the two shackle ears Shoulder – the part of the pin that makes contact against the  ear when the pin is fully threaded or engaged There are many different types of shackles   

Shackle Bow Types: Anchor ShacklesBow shacklesvs. Chain Shackles (D Shackles) 

Shackle Pin Types: Screw Pin vs. Bolt Type vs. Round  Pin. 

U.S. Anchor shackles /U.S.Screw pin anchor shackles/ G209: 

On a screw pin shackle, a threaded pin is inserted  through the ears and tightened down. Screw pin shackles  are quick and easy to connect and disconnect   

so they’re convenient for rigging that is used for “pick and  place” applications or when slings and other hardware are  often changed out. 

Screw pin shackles are not  recommended for permanent or long-term installations. 

Screw pin shackles can be used in applications where  side loading is present, and with multi-leg sling assemblies.  However, reduction to the WLL must be accounted for when  used in a side-loading situation. 

Shackle Material :Carbon Steel ShacklesAlloy Steel  Shackles Stainless Steel For type IVA carbon steel shackles, steel to be in  accordance with ASTM A576 or equivalent. Heat treatment is  required to specifified physical properties. 

Shackles, mechanical coupling links, connecting links and  swivels to be forged. For alloy shackles and mechanical  coupling links, steel to be alloy type in accordance with  ASTM A322, ASTM A304, ASTM A752 or equivalent. Heat treatment is required to specifified physical properties.

Dayu carbon shackles have the highest design factor (6 to 1)  in the industry and alloy shackles a minimum of 5 to 1 Close tolerance holes and concentric pins with good surface  fifinishes are provided by Dayu and are proven to provide  improved fatigue life in actual use Forged - Quenched and Tempered 

All Dayu shackle bows and pins are quenched and  tempered, which enhances their performance under cold  temperatures and adverse fifield conditions .And it provide the  tensile strength, ductility, impact, and fatigue properties that  are essential if they are to perform time after time in adverse  conditions.  

The proper application of shackles requires that the correct  type and size of shackle be used. 

The shackle’s Working  Load Limit, its size, a code, and the manufacturer’s name  should be clearly marked in the bow.  Working Load Limit and grade “6” permanently... shown on  every shackle The proper application of shackles requires that the  correct type and size of shackle be used. 

The shackle’s  Working Load Limit, its size, a code, and the manufacturer’s  name should be clearly marked in the bow. 

The “Working Load Limit”is the maximum load that shall  be applied in direct tension to an undamaged straight length  of shackles Hot Dip galvanized or self- colored. Hot dip galvanized coating is produced by immersing  steel into molten zinc. The zinc alloys with the surface of the  steel to create a protective barrier between the atmosphere  and the steel. Hot dip galvanizing to be in accordance with  ASTM A153/A153M, class B or equivalent. 

Powder coating is applied with an electrostatic gun as a  dry powder before being heat cured in an oven environment.  

Certifification: Certifification to world class standards is  available upon special request at the time of order; American  Bureau of Shipping, Lloyds Register of Shipping, Det Norske  Veritas, American Petroleum Institute, RINA, Nuclear  Regulatory Commission, and several other worldwide standards.  

From there, you can partner with a reputable rigging  manufacturer , to determine the best type of shackles to use  for your application. This will ensure that the design of the  shackle and its Working Load Limit is adequate for the lifts  you’ll be performing.  

Dayu Rigging is the professional rigging hardware  manufacturer We are mainly engaged producing shackles,  hooks, turnbuckles, swivels, thimble… more than  20years.We can quote and fabricate sling assemblies or get  you the individual slings and hardware that you need to put  them together yourself. And We offer a full inventory of  hooks, shackles, and other rigging hardware.   

We continue to innovate and expand our rigging portfolio  to meet industry needs and give customers the products they  need for their unique and challenging applications.


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