• UDT 521-4556 Shackle Quick Link
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UDT 521-4556 Shackle Quick Link

UDT 521-4556 Shackle Quick Link

UDT 521-4556 Shackle Quick Link is a connecting hardware component designed for joining chain sections, wire rope, and rigging assemblies, sourced direct from Korea.

Key features

  • Quick links like this are commonly used in lifting, towing, and load-securing applications across construction, marine, and industrial maintenance environments where reliable metal-to-metal connections are required
521-4556 4mm | Spec: 4 | Weight: 0.01 | Safe Working Load: 0.22 | A: 40 | C: 3.9 | D: 5.5 | B: 19.5
521-4565 5mm | Spec: 5 | Weight: 0.02 | Safe Working Load: 0.30 | A: 50 | C: 4.9 | D: 6.5 | B: 23.8
521-4574 6mm | Spec: 6 | Weight: 0.03 | Safe Working Load: 0.40 | A: 58 | C: 5.9 | D: 7.5 | B: 27.5
521-4583 8mm | Spec: 8 | Weight: 0.07 | Safe Working Load: 1.00 | A: 75 | C: 7.9 | D: 10.0 | B: 34.3
521-4592 9mm | Spec: 9 | Weight: 0.10 | Safe Working Load: 1.20 | A: 81 | C: 9.0 | D: 11.0 | B: 37.0
521-4608 10mm | Spec: 10 | Weight: 0.13 | Safe Working Load: 1.30 | A: 90 | C: 9.9 | D: 12.0 | B: 41.0
521-4617 12mm | Spec: 12 | Weight: 0.25 | Safe Working Load: 2.70 | A: 104 | C: 11.9 | D: 14.0 | B: 49.0
Chains & WiresUDT
7 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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UDT 521-4556 Shackle Quick Link

Brand UDT·Chains & Wires

Available part numbers (7)

521-4556, 521-4565, 521-4574, 521-4583, 521-4592, 521-4608, 521-4617

How to order

Send the UDT part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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RFQ List (0)
Product codeSpec
521-45564mm | Spec: 4 | Weight: 0.01 | Safe Working Load: 0.22 | A: 40 | C: 3.9 | D: 5.5 | B: 19.5
521-45655mm | Spec: 5 | Weight: 0.02 | Safe Working Load: 0.30 | A: 50 | C: 4.9 | D: 6.5 | B: 23.8
521-45746mm | Spec: 6 | Weight: 0.03 | Safe Working Load: 0.40 | A: 58 | C: 5.9 | D: 7.5 | B: 27.5
521-45838mm | Spec: 8 | Weight: 0.07 | Safe Working Load: 1.00 | A: 75 | C: 7.9 | D: 10.0 | B: 34.3
521-45929mm | Spec: 9 | Weight: 0.10 | Safe Working Load: 1.20 | A: 81 | C: 9.0 | D: 11.0 | B: 37.0
521-460810mm | Spec: 10 | Weight: 0.13 | Safe Working Load: 1.30 | A: 90 | C: 9.9 | D: 12.0 | B: 41.0
521-461712mm | Spec: 12 | Weight: 0.25 | Safe Working Load: 2.70 | A: 104 | C: 11.9 | D: 14.0 | B: 49.0

Need a different model, or a part not listed here? Send us your parts list →

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