{"product_id":"ss-s4750","title":"4.75-ton Screw Pin Anchor Shackle, 3\/4\" Nominal (SS-S4750)","description":"\u003c!-- Sub-type: R-E --\u003e\u003c!-- Source: ss-s4750-screw-pin-anchor-shackle-4-75t-3-4in.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-S4750\" data-color=\"Metallic\"\u003e  \u003ch3\u003eOverview\u003c\/h3\u003e  \u003cp\u003eThe SS-S4750 is a 4.75 tons, 3\/4\" nominal RIGPRO screw pin anchor shackle for fast rigging connections between slings, hoists, truss hardware, and load points. It uses a forged carbon steel body with a Dacromet-finished alloy pin, giving stage and event crews a marked, traceable connector that can be opened and redeployed quickly between builds.\u003c\/p\u003e  \u003ch3\u003eWhy It Matters\u003c\/h3\u003e  \u003cp\u003eThe 3\/4\" size is a useful step between smaller utility shackles and the heavier 1\" bodies. It gives riggers a clear 4.75-ton choice when the connection needs more capacity without moving up to a larger, heavier shackle than the point actually requires.\u003c\/p\u003e  \u003ch3\u003eKey Features\u003c\/h3\u003e  \u003cul\u003e    \u003cli\u003e4.75 tons working load limit and 3\/4\" nominal size are permanently marked on the body, so the shackle can be checked before it is placed into the load path.\u003c\/li\u003e    \u003cli\u003e Forged Carbon Steel construction with 6 times minimum ultimate-load ratio places this model in the correct strength family for its rated capacity.\u003c\/li\u003e    \u003cli\u003eScrew pin design allows quick hand installation and removal, useful when the connection changes often during stage, rental, or production work.\u003c\/li\u003e    \u003cli\u003e3\/4\" nominal body gives a balanced mid-range connector for truss, sling, and hoist hardware that does not require the bulk of the larger sizes.\u003c\/li\u003e    \u003cli\u003eDNV and ABS type approval, US Federal Specification RR-C-271D Type 4 A compliance, magnetic-particle crack detection, and 20,000-cycle fatigue rating support professional rigging inventory control.\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 fit for temporary stage rigging, truss pickups, motor points, wire rope sling connections, round sling connections, and rental-house kits where shackles are repeatedly inspected, installed, removed, and returned to inventory.\u003c\/p\u003e  \u003ch3\u003e Compatibility\u003c\/h3\u003e  \u003cp\u003eUse with rated slings, hoists, and anchorage hardware selected for the same or higher capacity; reduce working load limit for off-axis loading according to the catalog values, including 30 % reduction at 45° and 50 % reduction at 90° from centreline.\u003c\/p\u003e\n\u003c\/div\u003e\u003cscript type=\"application\/ld+json\"\u003e{  \"@context\": \"https:\/\/schema.org\",  \"@type\": \"Product\",  \"name\": \"4.75-ton Screw Pin Anchor Shackle, 3\/4\\\" Nominal (SS-S4750)\",  \"description\": \"The SS-S4750 is a 4.75 tons, 3\/4\\\" nominal RIGPRO screw pin anchor shackle for fast rigging connections between slings, hoists, truss hardware, and load points. It uses a forged carbon steel body with a Dacromet-finished alloy pin, giving stage and event crews a marked, traceable connector that can be opened and redeployed quickly between builds.\",  \"brand\": {    \"@type\": \"Brand\",    \"name\": \"KUPO\"  },  \"manufacturer\": {    \"@type\": \"Organization\",    \"name\": \"KUPO CO. LTD\"  },  \"category\": \"Rigging Solution \u003e Hoist Accessories\",  \"sku\": \"SS-S4750\",  \"mpn\": \"SS-S4750\",  \"color\": \"Metallic\",  \"material\": \" Forged Carbon Steel\",  \"additionalProperty\": [    {      \"@type\": \"PropertyValue\",      \"name\": \"Product Type\",      \"value\": \"Screw pin anchor shackle\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Working Load Limit\",      \"value\": \"4.75 tons\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"WLL Reduction\",      \"value\": \"0 % at 5°, 30 % at 45°, 50 % at 90°\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Nominal Size\",      \"value\": \"3\/4 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Pin Type\",      \"value\": \"Screw Pin\"    },    {      \"@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\": \"2.2 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\": \"0.75 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension B\",      \"value\": \"2.83 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension D\",      \"value\": \"0.87 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension E\",      \"value\": \"1.96 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension G\",      \"value\": \"1.81 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension H\",      \"value\": \"5.04 in\"    },    {      \"@type\": \"PropertyValue\",      \"name\": \"Dimension W\",      \"value\": \"1.30 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 use a screw pin shackle instead of the bolt-and-nut version\u003c\/h3\u003e    \u003cp\u003eScrew pin shackles are faster to open and redeploy by hand, so they suit temporary rigs and rental workflows where the connection is checked and changed often.\u003c\/p\u003e  \u003c\/div\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003e Can I side load this if the bridle angle is not straight\u003c\/h3\u003e    \u003cp\u003eSide loading reduces capacity. Follow the catalog reduction table, including 30 % reduction at 45° and 50 % reduction at 90° from centreline.\u003c\/p\u003e  \u003c\/div\u003e  \u003cdiv class=\"kupo-faq-seo-item\"\u003e    \u003ch3\u003eIs this the mid-size screw pin option in the range\u003c\/h3\u003e    \u003cp\u003eYes. It sits at 4.75 tons with a 3\/4\" nominal size, making it a practical middle choice before stepping up to the 6.5-ton and 8.5-ton models.\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 use a screw pin shackle instead of the bolt-and-nut version\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \"Screw pin shackles are faster to open and redeploy by hand, so they suit temporary rigs and rental workflows where the connection is checked and changed often.\"      }    },    {      \"@type\": \"Question\",      \"name\": \"Can I side load this if the bridle angle is not straight\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \"Side loading reduces capacity. Follow the catalog reduction table, including 30 % reduction at 45° and 50 % reduction at 90° from centreline.\"      }    },    {      \"@type\": \"Question\",      \"name\": \"Is this the mid-size screw pin option in the range\",      \"acceptedAnswer\": {        \"@type\": \"Answer\",        \"text\": \"Yes. It sits at 4.75 tons with a 3\/4\\\" nominal size, making it a practical middle choice before stepping up to the 6.5-ton and 8.5-ton models.\"      }    }  ]}\u003c\/script\u003e","brand":"KUPO Stage","offers":[{"title":"Shackle \/ Screw Pin \/ 4.75 tons","offer_id":53907491914027,"sku":"SS-S4750","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6887\/6843\/files\/SS-S4750_b.jpg?v=1782110949","url":"https:\/\/kupostage.com\/products\/ss-s4750","provider":"KUPO Stage","version":"1.0","type":"link"}