{"product_id":"insulated-ring-connectors-red-m4-ring-crimp-terminals","title":"Insulated Ring Connectors – Red M4 Ring Crimp Terminals","description":"\u003cstyle\u003e\n.nznpd{--o:#F57C00;--od:#E65100;--ink:#0F172A;--mut:#5b6573;--line:#E8ECF0;--soft:#F7F8FA;max-width:1120px;margin:0 auto;color:var(--ink);font-family:inherit;line-height:1.6}\n.nznpd,.nznpd *{box-sizing:border-box}\n.nznpd p{margin:0;color:var(--mut);font-size:15px;line-height:1.65}\n.nznpd strong{color:var(--ink)}\n.nznpd__intro{font-size:16px;color:var(--ink);font-weight:500;line-height:1.6}\n.nznpd__checks{list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:repeat(2,1fr);column-gap:26px;row-gap:13px}\n.nznpd__checks li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--ink);line-height:1.45}\n.nznpd__checks li::before{content:\"\\2713\";flex:0 0 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ease}\n.nznpd__faq[open]{border-color:#FCE0C6}\n.nznpd__faq summary{list-style:none;cursor:pointer;padding:15px 0;font-weight:700;font-size:14px;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:12px}\n.nznpd__faq summary::-webkit-details-marker{display:none}\n.nznpd__faq summary::after{content:\"\\203A\";flex:0 0 auto;color:var(--o);font-weight:800;font-size:20px;line-height:1;display:inline-block;transform:rotate(90deg);transition:transform .22s ease}\n.nznpd__faq[open] summary::after{transform:rotate(-90deg)}\n.nznpd__faq p{padding:0 0 16px;font-size:14px}\n.nznpd__faq[open] p{animation:nznpdReveal .24s ease}\n@keyframes nznpdReveal{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}\n.nznpd p.nznpd__note{margin-top:16px;background:var(--soft);border:2px solid var(--line);border-radius:12px;padding:14px 16px;font-size:13.5px;color:var(--mut);line-height:1.55}\n@media (prefers-reduced-motion:reduce){.nznpd__faq summary::after{transition:none}.nznpd__faq[open] p{animation:none}}\n@media (max-width:749px){.nznpd__checks{grid-template-columns:1fr}.nznpd__uses{grid-template-columns:1fr}.nznpd__spec{grid-template-columns:1fr;gap:2px}.nznpd__tiers{grid-template-columns:repeat(2,1fr)}}\n\u003c\/style\u003e\n\u003cdiv class=\"nznpd\"\u003e\n\u003cdiv class=\"nznpd__lead\"\u003e\n\u003cp class=\"nznpd__intro\"\u003eFully-insulated \u003cstrong\u003ered ring terminals\u003c\/strong\u003e — crimp one onto your wire, then slide the \u003cstrong\u003e4mm (M4) ring\u003c\/strong\u003e over a stud, screw or terminal post and bolt it down for a secure, permanent connection that won't pull off. The tough red PVC sleeve fully covers the crimp barrel, and the tin-plated ring gives a low-resistance, corrosion-resistant contact. The \u003cstrong\u003ered\u003c\/strong\u003e colour codes it for \u003cstrong\u003e0.5–1.5 mm² \/ 22–16 AWG\u003c\/strong\u003e wire. Perfect for \u003cstrong\u003ebattery terminals, earth\/ground points and 12V wiring\u003c\/strong\u003e — more colours\/stud sizes coming soon.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cul class=\"nznpd__checks\"\u003e\n\u003cli\u003eFully-insulated PVC sleeve — no exposed metal once crimped\u003c\/li\u003e\n\u003cli\u003e4mm (M4) ring bolts onto studs, screws \u0026amp; posts\u003c\/li\u003e\n\u003cli\u003eTin-plated copper barrel for a low-resistance crimp\u003c\/li\u003e\n\u003cli\u003eColour-coded red for 22–16 AWG wire\u003c\/li\u003e\n\u003cli\u003ePermanent, vibration-proof bolt-on connection\u003c\/li\u003e\n\u003cli\u003eIdeal for battery, earth \u0026amp; ground terminals\u003c\/li\u003e\n\u003cli\u003eBuy more, pay less — automatic bulk pricing\u003c\/li\u003e\n\u003cli\u003eStocked and dispatched fast from NZ\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eBuy more, pay less\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cdiv class=\"nznpd__tiers\"\u003e\n\u003cdiv class=\"nznpd__tier\"\u003e\n\u003cstrong\u003e10+\u003c\/strong\u003e\u003cspan\u003eminimum order\u003c\/span\u003e\u003cb\u003eBase price\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__tier\"\u003e\n\u003cstrong\u003e25+\u003c\/strong\u003e\u003cspan\u003econnectors\u003c\/span\u003e\u003cb\u003eSave 15%\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__tier\"\u003e\n\u003cstrong\u003e50+\u003c\/strong\u003e\u003cspan\u003econnectors\u003c\/span\u003e\u003cb\u003eSave 30%\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__tier\"\u003e\n\u003cstrong\u003e100+\u003c\/strong\u003e\u003cspan\u003econnectors\u003c\/span\u003e\u003cb\u003eSave 50%\u003c\/b\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eSpecifications\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cdiv class=\"nznpd__specs\"\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eType\u003c\/span\u003e\u003cstrong\u003eFully-insulated ring crimp terminal\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eRing stud hole\u003c\/span\u003e\u003cstrong\u003e4.0 mm (fits M4 studs \u0026amp; screws)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eWire size\u003c\/span\u003e\u003cstrong\u003eRed — 0.5–1.5 mm² \/ 22–16 AWG\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eTerminal\u003c\/span\u003e\u003cstrong\u003eTin-plated copper\/brass ring\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eInsulation\u003c\/span\u003e\u003cstrong\u003eRed PVC sleeve, fully insulated\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eConnection\u003c\/span\u003e\u003cstrong\u003eCrimp (insulated-terminal crimp tool)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eVoltage rating\u003c\/span\u003e\u003cstrong\u003eUp to 600V\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eSold as\u003c\/span\u003e\u003cstrong\u003eIndividual connectors, 10-piece minimum\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eWhat you'll receive\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cdiv class=\"nznpd__included\"\u003e\n\u003cdiv class=\"nznpd__qty\"\u003e10+\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLoose insulated ring terminals (Red, 4mm \/ M4)\u003c\/strong\u003e\n\u003cp\u003eSold per piece with a 10-connector minimum — set the exact quantity you need at checkout. Bulk discounts apply automatically at 25, 50 and 100 pieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eGreat for\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cdiv class=\"nznpd__uses\"\u003e\n\u003cdiv class=\"nznpd__use\"\u003eBattery terminals \u0026amp; earth\/ground points\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eAutomotive \u0026amp; 12V wiring\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eAppliance, motor \u0026amp; equipment terminals\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eDistribution blocks \u0026amp; bus bars\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eScrew-down terminal posts\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eAny bolt-on wire connection\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003cdiv class=\"nznpd__qs\"\u003e\n\u003ch3\u003eHow to crimp them\u003c\/h3\u003e\n\u003col class=\"nznpd__steps\"\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eStrip the wire\u003c\/strong\u003e\u003cp\u003eStrip roughly 5–6mm of insulation to expose clean, twisted strands.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eInsert into the barrel\u003c\/strong\u003e\u003cp\u003eSlide the bare wire fully into the connector's metal barrel, up to the insulation sleeve.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eCrimp\u003c\/strong\u003e\u003cp\u003eSqueeze the insulated barrel with a crimping tool until firm, then tug the wire gently to confirm it's locked in.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cdiv\u003e\n\u003cstrong\u003eBolt it down\u003c\/strong\u003e\u003cp\u003eSlip the 4mm ring over your M4 stud, screw or post and tighten the nut or screw for a solid, permanent connection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"nznpd__block\"\u003e\n\u003ch3 class=\"nznpd__h\"\u003eCommon questions\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cdiv class=\"nznpd__faqs\"\u003e\n\u003cdetails class=\"nznpd__faq\" open\u003e\n\u003csummary\u003eWhat size stud or screw does it fit?\u003c\/summary\u003e\n\u003cp\u003eThe ring has a \u003cstrong\u003e4.0 mm hole\u003c\/strong\u003e, so it slides onto an \u003cstrong\u003eM4\u003c\/strong\u003e stud, bolt or screw (or anything up to ~4mm shank). Match the ring hole to the post you're bolting to.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"nznpd__faq\"\u003e\n\u003csummary\u003eWhich colour\/size do I choose?\u003c\/summary\u003e\n\u003cp\u003eRing terminals are colour-coded by wire gauge: Red 22–16 AWG (0.5–1.5 mm²), Blue 16–14 AWG, Yellow 12–10 AWG. This listing is the \u003cstrong\u003eRed\u003c\/strong\u003e size with a \u003cstrong\u003e4mm (M4)\u003c\/strong\u003e ring. More colours and stud sizes are coming soon.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"nznpd__faq\"\u003e\n\u003csummary\u003eDo I need a special tool?\u003c\/summary\u003e\n\u003cp\u003eA basic insulated-terminal crimping tool gives the strongest, tidiest result. Combination pliers can work in a pinch, but a proper crimper is far more reliable for a connection that won't pull loose.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"nznpd__faq\"\u003e\n\u003csummary\u003eWhy is there a 10-piece minimum?\u003c\/summary\u003e\n\u003cp\u003eThese are small, low-cost parts, so we sell them in a minimum of 10 to keep per-connector pricing low and shipping worthwhile. Mix the quantity to suit your job — the price per connector drops automatically as you pass 25, 50 and 100 pieces.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"nznpd__faq\"\u003e\n\u003csummary\u003eAre they fully insulated?\u003c\/summary\u003e\n\u003cp\u003eYes. The red PVC sleeve covers the entire barrel and crimp, so once crimped there's no exposed metal on the wire side — safer against shorts and vibration in automotive and marine wiring.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cp class=\"nznpd__note\"\u003e\u003cstrong\u003eGood to know:\u003c\/strong\u003e match the connector colour to your wire gauge and the ring hole to your stud size for the best fit. Stocked and dispatched fast from our Te Awamutu base — overseas prices, without the overseas wait.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"NZN Electronics","offers":[{"title":"Red · M4 (16–22 AWG)","offer_id":42927011790944,"sku":"RT-RED-M4","price":0.29,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/insulated-ring-connector-red-4mm.png?v=1783591023","url":"https:\/\/www.nznelectronics.co.nz\/products\/insulated-ring-connectors-red-m4-ring-crimp-terminals","provider":"NZN Electronics","version":"1.0","type":"link"}