• UDT 521-6369 Shackle Forged Shackle (BC)
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UDT 521-6369 Shackle Forged Shackle (BC)

UDT 521-6369 Shackle Forged Shackle (BC)

UDT Forged Shackle (BC) is a heavy-duty forged steel connecting link designed for secure load attachment and lifting applications, sourced direct from Korea.

Key features

  • Forged shackles of this type are commonly used in rigging, towing, marine, and construction environments where a reliable, high-strength connection between chains, wire ropes, or lifting hardware is essential
521-6369 6.4mm (1/4") Stainless | Spec: 1/4 | Weight: 0.04 | Safe Working Load: 0.50 | A: 12 | C: 28 | D: 6 | F: 15 | B: 8
521-6378 7.9mm (5/16') - Stainless Steel | Spec: 5/16 | Weight: 0.08 | Safe Working Load: 0.75 | A: 13 | C: 31 | D: 7 | F: 19 | B: 9
521-6387 9.5mm (3/8') Stainless Steel | Spec: 3/8 | Weight: 0.14 | Safe Working Load: 1.00 | A: 16 | C: 36 | D: 9 | F: 23 | B: 11
521-6396 13mm (1/2") Stainless Steel | Spec: 1/2 | Weight: 0.25 | Safe Working Load: 2.00 | A: 20 | C: 48 | D: 12 | F: 30 | B: 16
521-6402 16mm (5/8') - Stainless Steel | Spec: 5/8 | Weight: 0.55 | Safe Working Load: 3.25 | A: 27 | C: 60 | D: 16 | F: 38 | B: 19
521-6411 19mm (3/4') - Stainless Steel | Spec: 3/4 | Weight: 0.95 | Safe Working Load: 4.75 | A: 32 | C: 71 | D: 19 | F: 45 | B: 22
521-6420 22mm (7/8") Stainless Steel | Spec: 7/8 | Weight: 1.35 | Safe Working Load: 6.50 | A: 36 | C: 84 | D: 22 | F: 53 | B: 25
521-6439 25mm (1') Stainless Steel | Spec: 1 | Weight: 2.05 | Safe Working Load: 8.50 | A: 42 | C: 95 | D: 25 | F: 60 | B: 28
Chains & WiresUDT
8 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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UDT 521-6369 Shackle Forged Shackle (BC)

Brand UDT·Chains & Wires

Available part numbers (8)

521-6369, 521-6378, 521-6387, 521-6396, 521-6402, 521-6411, 521-6420, 521-6439

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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Product codeSpec
521-63696.4mm (1/4") Stainless | Spec: 1/4 | Weight: 0.04 | Safe Working Load: 0.50 | A: 12 | C: 28 | D: 6 | F: 15 | B: 8
521-63787.9mm (5/16') - Stainless Steel | Spec: 5/16 | Weight: 0.08 | Safe Working Load: 0.75 | A: 13 | C: 31 | D: 7 | F: 19 | B: 9
521-63879.5mm (3/8') Stainless Steel | Spec: 3/8 | Weight: 0.14 | Safe Working Load: 1.00 | A: 16 | C: 36 | D: 9 | F: 23 | B: 11
521-639613mm (1/2") Stainless Steel | Spec: 1/2 | Weight: 0.25 | Safe Working Load: 2.00 | A: 20 | C: 48 | D: 12 | F: 30 | B: 16
521-640216mm (5/8') - Stainless Steel | Spec: 5/8 | Weight: 0.55 | Safe Working Load: 3.25 | A: 27 | C: 60 | D: 16 | F: 38 | B: 19
521-641119mm (3/4') - Stainless Steel | Spec: 3/4 | Weight: 0.95 | Safe Working Load: 4.75 | A: 32 | C: 71 | D: 19 | F: 45 | B: 22
521-642022mm (7/8") Stainless Steel | Spec: 7/8 | Weight: 1.35 | Safe Working Load: 6.50 | A: 36 | C: 84 | D: 22 | F: 53 | B: 25
521-643925mm (1') Stainless Steel | Spec: 1 | Weight: 2.05 | Safe Working Load: 8.50 | A: 42 | C: 95 | D: 25 | F: 60 | B: 28

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