{"product_id":"sems-screw-assortment-3538-3466-11787-2771-3467-11454-2751-11788-11450-11455-2775-11789-2772-12957-2773-11791-3465-11792","title":"Sems Screw Assortment 3538 3466 11787 2771\t3467 11454 2751 11788\t 11450 11455 2775 11789 2772 12957 2773  11791 3465 11792","description":"\u003cstyle\u003e\n.nb-desc details \u003e summary { list-style: none; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; padding: 12px 0; border-top: 1px solid #e0e0e0; }\n.nb-desc details \u003e summary::-webkit-details-marker { display: none; }\n.nb-desc details \u003e summary::after { content: '▼'; font-size: 0.7em; opacity: 0.6; transition: transform 0.25s ease; flex-shrink: 0; margin-left: 8px; }\n.nb-desc details[open] \u003e summary::after { transform: rotate(180deg); }\n.nb-desc details \u003e div { padding: 8px 0 16px 0; }\n.nb-desc details:last-of-type { border-bottom: 1px solid #e0e0e0; }\n.nb-desc table { width: 100%; border-collapse: collapse; }\n.nb-desc td { padding: 8px 12px 8px 0; vertical-align: top; border-bottom: 1px solid #f0f0f0; }\n.nb-desc td:first-child { width: 40%; font-weight: 600; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"nb-desc\"\u003e\n\n\u003cp\u003e\u003cstrong\u003eA pre-packaged SEMS screw assortment covering the sizes most commonly used in domestic vehicle body, interior, and underhood attachment — SEMS screws have a free-spinning captive washer pre-assembled on the shank so the washer can't be lost, misaligned, or forgotten during installation.\u003c\/strong\u003e On a production line or a busy service bay, the captive washer eliminates a handling step and ensures every fastener arrives at the joint correctly assembled.\u003c\/p\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eWhat's Included\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cul\u003e\n      \u003cli\u003eSEMS screws — multiple sizes with pre-assembled captive external tooth or flat washers\u003c\/li\u003e\n      \u003cli\u003eMultiple thread sizes and lengths covering common domestic vehicle body and trim applications\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eSpecifications\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003ctable\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFastener type\u003c\/td\u003e\n\u003ctd\u003eSEMS screws (screw with pre-assembled captive washer)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eWasher types\u003c\/td\u003e\n\u003ctd\u003eExternal tooth lock washer and\/or flat washer (pre-assembled)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eDomestic vehicle body, interior trim, and underhood attachment\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSupplier\u003c\/td\u003e\n\u003ctd\u003eAuveco\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eBest For\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAuto body and collision shops\u003c\/strong\u003e — SEMS screws are factory-standard fasteners throughout domestic vehicle bodies; a stocked assortment of common sizes means reassembly proceeds without separate screw-and-washer sourcing\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eFleet maintenance operations\u003c\/strong\u003e — routine panel and trim removals on domestic commercial vehicles use SEMS screws; the captive washer ensures correct reassembly even in tight access areas\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eRestoration and reconditioning shops\u003c\/strong\u003e — original SEMS screws corrode and break; this assortment covers the range of sizes needed to reinstall body and trim components correctly\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eUnderstanding SEMS Screws\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cp\u003eSEMS (an acronym derived from the manufacturing process: \u003cstrong\u003eS\u003c\/strong\u003ecrew and \u003cstrong\u003eE\u003c\/strong\u003externally applied washer on the \u003cstrong\u003eS\u003c\/strong\u003ehank) are machine or thread-forming screws with a washer permanently captivated on the shank during production. The washer is free to spin — it doesn't rotate with the screw — but it cannot come off the shank before or during installation.\u003c\/p\u003e\n    \u003cp style=\"margin-top:8px;\"\u003eThe captive washer provides two benefits: \u003cstrong\u003eassembly efficiency\u003c\/strong\u003e (one part to handle instead of two) and \u003cstrong\u003ereliability\u003c\/strong\u003e (the washer is always present, always correctly positioned). External tooth lock washers on SEMS screws provide thread-locking and electrical grounding contact simultaneously, which is why they appear extensively in automotive electrical grounds and body panel bonding points.\u003c\/p\u003e\n    \u003cp style=\"margin-top:8px;\"\u003eWhen replacing a SEMS screw, match the screw thread and length as well as the washer type (external tooth vs. flat) and OD. Questions? \u003ca href=\"\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n  \u003csummary\u003eShipping \u0026amp; Ordering\u003c\/summary\u003e\n  \u003cdiv\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eShips within 1–2 business days\u003c\/strong\u003e from our warehouse\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eVolume pricing available\u003c\/strong\u003e — save up to 20% when ordering 3 or more\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eReorder regularly?\u003c\/strong\u003e Ask us about a B2B account with custom pricing — \u003ca href=\"\/pages\/contact-us\"\u003econtact us\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"NutsandBolts.com","offers":[{"title":"Default Title","offer_id":48550628491505,"sku":"6810","price":95.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0946\/2001\/files\/6810.jpg?v=1786652227","url":"https:\/\/shopmanu.com\/products\/sems-screw-assortment-3538-3466-11787-2771-3467-11454-2751-11788-11450-11455-2775-11789-2772-12957-2773-11791-3465-11792","provider":"Manu","version":"1.0","type":"link"}