{"product_id":"1-2-13-x-4-carriage-bolt-full-thread-grade-a-steel-zinc-astm-a307-grade-a-asme-b18-5","title":"1\/2\"-13 x 4\" Carriage Bolt, Full Thread \/ Grade A Steel \/ Zinc \/ ASTM A307 Grade A; ASME B18.5","description":"\u003cdiv style=\"font:400 15px\/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;max-width:52em;\"\u003e\n\u003cp style=\"margin:0 0 18px;font-size:16px;\"\u003e1\/2\"-13 x 4\" carriage bolt in Steel, A307 Grade A, zinc finish. For through-bolting timber where the head must sit flush and not spin.\u003c\/p\u003e\n\u003cul style=\"margin:0 0 4px;padding-left:1.1em;\"\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eASTM A307 GRADE A\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003e60,000 PSI tensile low carbon steel — the structural commodity bolt for non-critical connections and wood framing\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eCARRIAGE HEAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ea smooth domed head over a square neck that pulls into timber and locks the bolt against turning while you tighten the nut\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eFULL THREAD\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethreaded to the head, so it grips over the whole length and suits thin or variable stack-ups\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eZINC PLATED\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean electroplated barrier for interior and sheltered work; it will not survive sustained weather or contact with treated lumber\u003c\/li\u003e\n\u003cli style=\"margin:0 0 11px;\"\u003e\n\u003cspan style=\"font-weight:700;color:#0f4c5c;letter-spacing:.03em;font-size:13px;\"\u003eCARBON STEEL\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003estrong and inexpensive, but it depends entirely on its plating for corrosion protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread size\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e1\/2\"-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eLength\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCoarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eThread coverage\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eFull Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eHead style\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eCarriage (Round)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eDrive\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eNo Drive (Square Neck)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eGrade\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eA307 Grade A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eZinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eStandard\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eASTM A307 Grade A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eAlso specified\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eGrade A Steel; ASTM A307 Grade A; ASME B18.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"font:600 15px\/1.3 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#111827;margin:26px 0 10px;\"\u003eDrilling \u0026amp; driving reference\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:280px;border-top:2px solid #0f4c5c;\"\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eTap drill (75% thread)\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e27\/64\" (.4219\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9fafb;\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, close fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e33\/64\" (.5156\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"\"\u003e\n\u003cth scope=\"row\" style=\"text-align:left;font-weight:600;color:#111827;padding:9px 14px;border-bottom:1px solid #e5e7eb;white-space:nowrap;font-size:14px;\"\u003eClearance hole, normal fit\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003e17\/32\" (.5312\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cfigcaption style=\"font-size:12px;color:#6b7280;padding:8px 14px 0;\"\u003eTap drill at approximately 75% thread engagement. Clearance holes per ASME B18.2.8 \/ ISO 273. Wrench and key sizes per ASME B18.2.1 and B18.3. Figures are reference values — confirm against your own drawing before machining.\u003c\/figcaption\u003e\n\u003c\/div\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (175 pcs)","offer_id":53611873960228,"sku":"489121-175","price":125.0,"currency_code":"USD","in_stock":true},{"title":"Package (25 pcs)","offer_id":53611873992996,"sku":"489121-25","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/CFT_03177f07-5781-4c4e-b3dc-147be9fd0294.png?v=1777781274","url":"https:\/\/www.ecomfasteners.com\/products\/1-2-13-x-4-carriage-bolt-full-thread-grade-a-steel-zinc-astm-a307-grade-a-asme-b18-5","provider":"Ecom Fasteners","version":"1.0","type":"link"}