{"product_id":"3-8-16-serrated-hex-flange-locknut-grade-2-steel-zinc-asme-b18-16-1-2","title":"3\/8\"-16 Serrated Hex Flange Locknut \/ Grade 2 Steel \/ Zinc \/ ASME B18.16.1","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;\"\u003e3\/8\"-16 all-metal lock nut in Case Hardened Steel, Grade 2, zinc finish. For vibration resistance at temperatures that would destroy a nylon insert.\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;\"\u003eSERRATED FLANGE\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003eserrations under the flange bite the surface and resist backing off under vibration; they will mark a finished face\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;\"\u003eFLANGE NUT\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ean integral washer face spreads clamp load and removes a separate washer from the assembly\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;\"\u003eALL METAL — NO TEMPERATURE LIMIT\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003ethe locking action is mechanical deformation, not a plastic insert, so it holds at temperatures that would destroy a nylon nut and survives repeated reuse\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;\"\u003eSAE GRADE 2\u003c\/span\u003e\u003cspan style=\"color:#6b7280;\"\u003e — \u003c\/span\u003elow carbon steel, 74,000 PSI tensile up to 3\/4\" and 60,000 PSI above it; general assembly where nothing is holding a load\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\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\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;\"\u003e3\/8\"-16\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\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=\"\"\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;\"\u003ePoint\u003c\/th\u003e\n\u003ctd style=\"padding:9px 14px;border-bottom:1px solid #e5e7eb;color:#111827;font-size:14px;font-variant-numeric:tabular-nums;\"\u003eChamfered\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;\"\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;\"\u003eCase Hardened Steel\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;\"\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;\"\u003e2\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;\"\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=\"\"\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;\"\u003eCommercial Standard\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;\"\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;\"\u003eASME B18.16.1\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;\"\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;\"\u003e25\/64\" (.3906\")\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, 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;\"\u003e13\/32\" (.4062\")\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 (2,000 pcs)","offer_id":53632406257956,"sku":"857700-2000","price":312.25,"currency_code":"USD","in_stock":true},{"title":"Package (100 pcs)","offer_id":53632406290724,"sku":"857700-100","price":52.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/NXL_6aaeba69-c162-49eb-8238-7632f8f843d1.png?v=1781019275","url":"https:\/\/www.ecomfasteners.com\/products\/3-8-16-serrated-hex-flange-locknut-grade-2-steel-zinc-asme-b18-16-1-2","provider":"Ecom Fasteners","version":"1.0","type":"link"}