{"product_id":"ss-n3250","title":"3.25-ton Safety Bolt and Nut Anchor Shackle, 5\/8\" Nominal (SS-N3250)","description":"\u003c!-- Sub-type: R-E --\u003e\u003c!-- Source: ss-n3250-safety-bolt-anchor-shackle-3-25t-5-8in.md --\u003e\u003cstyle\u003e.kupo-section-title {  margin: 1.25rem 0 1rem 0;  font-size: 22px !important;  font-weight: 700;  line-height: 1.3;  color: #2C3E50 !important;  letter-spacing: 0;}.product-description h3 {  color: #2C3E50 !important;  font-size: 18px !important;  font-weight: bold;  margin-top: 1.5rem;  margin-bottom: 0.75rem;  line-height: 1.35;  letter-spacing: 0;}.product-description,.product-description p,.product-description li {  color: #222222 !important;}\u003c\/style\u003e\u003ch2 class=\"kupo-section-title\"\u003eProduct Description\u003c\/h2\u003e\u003cdiv class=\"product-description\" data-sku=\"SS-N3250\" data-color=\"Metallic\"\u003e  \u003ch3\u003eOverview\u003c\/h3\u003e  \u003cp\u003eThe SS-N3250 is a 3.25 tons, 5\/8\" nominal RIGPRO anchor shackle for connecting slings, hoists, hardware, and loads in professional rigging systems. This safety bolt and nut version uses a forged carbon steel body with a Dacromet-finished alloy pin, giving crews a marked, traceable connector for repeated entertainment and industrial rigging work.\u003c\/p\u003e  \u003ch3\u003eWhy It Matters\u003c\/h3\u003e  \u003cp\u003eBolt-type shackles are chosen when a connection may stay loaded or installed for a longer period. The nut and split cotter pin add security against the pin backing out, which is exactly why this style is preferred for semi-permanent venue, grid, and long-duration event setups.\u003c\/p\u003e  \u003ch3\u003eKey Features\u003c\/h3\u003e  \u003cul\u003e    \u003cli\u003e3.25 tons working load limit with 5\/8\" nominal size is permanently marked on the body, helping crew check the connector before it enters the rig.\u003c\/li\u003e    \u003cli\u003e Forged Carbon Steel construction with 6 times minimum ultimate-load ratio gives the correct strength family for this size and capacity.\u003c\/li\u003e    \u003cli\u003eSafety Bolt and Nut pin style adds nut-and-cotter retention for longer-term connections.\u003c\/li\u003e    \u003cli\u003eDNV and ABS type approval plus US Federal Specification RR-C-271D Type 4 A compliance support use in demanding professional rigging inventories.\u003c\/li\u003e    \u003cli\u003e100 % magnetic-particle crack detection and 20,000-cycle fatigue rating at 1.5 times working load limit give the shackle a defined inspection and performance baseline.\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eAdditional Technical Notes\u003c\/h3\u003e  \u003cul\u003e    \u003cli\u003eWLL Reduction: 0 % at 5°, 30 % at 45°, 50 % at 90° from centreline\u003c\/li\u003e\n\u003cli\u003eQuality Control: 100 % magnetic-particle crack detection\u003c\/li\u003e    \u003cli\u003e Fatigue Rating: 20,000 cycles at 1.5 times WLL\u003c\/li\u003e    \u003cli\u003eMarking: Size, WLL, and batch code permanently marked for certificate traceability\u003c\/li\u003e  \u003c\/ul\u003e  \u003ch3\u003eApplications\u003c\/h3\u003e  \u003cp\u003eA practical connector for venue grids, truss suspension, motor points, wire rope sling connections, and installations where the shackle may remain in place for extended periods under controlled inspection.\u003c\/p\u003e  \u003ch3\u003e Compatibility\u003c\/h3\u003e  \u003cp\u003eUse with round slings, wire rope slings, chain hoists, and anchorage hardware rated for the same or higher capacity; apply the catalog WLL reduction when side loading at 45° or 90°.\u003c\/p\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"Product\",  \"name\": \"3.25-ton Safety Bolt and Nut Anchor Shackle, 5\/8\\\" Nominal (SS-N3250)\",  \"description\": \"The SS-N3250 is a 3.25 tons, 5\/8\\\" nominal RIGPRO anchor shackle for connecting slings, hoists, hardware, and loads in professional rigging systems. This safety bolt and nut version uses a forged carbon steel body with a Dacromet-finished alloy pin, giving crews a marked, traceable connector for repeated entertainment and industrial rigging work.\",  \"brand\": {    \"@type\": \"Brand\",    \"name\": \"KUPO\"  },  \"manufacturer\": {    \"@type\": \"Organization\",    \"name\": \"KUPO CO. LTD\"  },  \"category\": \"Rigging Solution \u003e Hoist Accessories\",  \"sku\": \"SS-N3250\",  \"mpn\": \"SS-N3250\",  \"color\": \"Metallic\",  \"material\": \" Forged Carbon Steel\",  \"additionalProperty\": [    {      \"@type\": \"PropertyValue\",      \"name\": \"Product Type\",      \"value\": \"Safety bolt and nut anchor shackle\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Working Load Limit\",      \"value\": \"3.25 tons\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"WLL Reduction\",      \"value\": \"0 % at 5°, 30 % at 45°, 50 % at 90°\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Nominal Size\",      \"value\": \"5\/8 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Pin Type\",      \"value\": \"Safety Bolt and Nut\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Material\",      \"value\": \"Forged Carbon Steel\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Design Factor\",      \"value\": \"6:1 Minimum Ultimate Load\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Net Weight\",      \"value\": \"1.5 lb\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Finish\",      \"value\": \"Dacromet on alloy pin\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Type Approval\",      \"value\": \"DNV \/ ABS\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Compliance\",      \"value\": \"US Federal Specification RR-C-271D Type 4 A\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Quality Control\",      \"value\": \"100 % magnetic-particle crack detection\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Fatigue Rating\",      \"value\": \"20,000 cycles at 1.5 times WLL\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Marking\",      \"value\": \"Size, WLL, and batch code permanently marked for certificate traceability\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Maximum Included Sling Angle\",      \"value\": \"120°\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension A\",      \"value\": \"0.63 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension B\",      \"value\": \"2.40 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension D\",      \"value\": \"0.75 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension E\",      \"value\": \"1.70 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension G\",      \"value\": \"1.50 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension H\",      \"value\": \"4.17 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension W\",      \"value\": \"1.06 in\"    }  ]}\u003c\/script\u003e\u003cstyle\u003e.kupo-faq-seo-section {  margin-top: 2rem;}.kupo-faq-seo-item {  margin-bottom: 1.25rem;}.kupo-faq-seo-item h3 {  color: #2C3E50 !important;  font-size: 17px !important;  font-weight: 600;  margin-bottom: 0.4rem;  line-height: 1.35;  letter-spacing: 0;}.kupo-faq-seo-item p {  color: #222222 !important;  margin-top: 0;}\u003c\/style\u003e\u003csection class=\"kupo-faq-seo-section\"\u003e  \u003ch2 class=\"kupo-section-title\"\u003e Frequently Asked Questions\u003c\/h2\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eWhy pick the bolt-and-nut version instead of a screw pin\u003c\/h3\u003e    \u003cp\u003e Choose the bolt-and-nut style when the shackle may stay installed or loaded for longer periods and you want the extra retention of the nut and cotter pin.\u003c\/p\u003e  \u003c\/div\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eIs side loading allowed if the sling does not pull straight\u003c\/h3\u003e    \u003cp\u003eSide loading reduces capacity. Use the catalog reduction values, including 30 % reduction at 45° and 50 % reduction at 90° from the centreline.\u003c\/p\u003e  \u003c\/div\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eWhy does this size look close to another shackle in the same family\u003c\/h3\u003e    \u003cp\u003eThe 5\/8\" nominal size also appears in the 5-ton alloy unit, so check both the catalog number and the working load marking before placing it in a rig.\u003c\/p\u003e  \u003c\/div\u003e\u003c\/section\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"FAQPage\",  \"mainEntity\": [    {      \"@type\": \"Question\",      \"name\": \"Why pick the bolt-and-nut version instead of a screw pin\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \" Choose the bolt-and-nut style when the shackle may stay installed or loaded for longer periods and you want the extra retention of the nut and cotter pin.\"      }    },    {      \"@type\": \"Question\",      \"name\": \"Is side loading allowed if the sling does not pull straight\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \"Side loading reduces capacity. Use the catalog reduction values, including 30 % reduction at 45° and 50 % reduction at 90° from the centreline.\"      }    },    {      \"@type\": \"Question\",      \"name\": \"Why does this size look close to another shackle in the same family\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \"The 5\/8\\\" nominal size also appears in the 5-ton alloy unit, so check both the catalog number and the working load marking before placing it in a rig.\"      }    }  ]}\u003c\/script\u003e","brand":"KUPO Stage","offers":[{"title":"Shackle \/ Safety Bolt and Nut \/ 3.25 tons","offer_id":53907491225899,"sku":"SS-N3250","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6887\/6843\/files\/SS-N3250_b.jpg?v=1782110941","url":"https:\/\/kupostage.com\/products\/ss-n3250","provider":"KUPO Stage","version":"1.0","type":"link"}