{"product_id":"120pcs-tinned-copper-non-insulated-crimp-butt-connectors-kit","title":"120Pcs Tinned Copper Non-Insulated Crimp Butt Connectors Kit","description":"\n\u003ch2\u003e120-Piece Tinned Copper Non-Insulated Butt Splice Connector Kit\u003c\/h2\u003e\n\u003cp\u003eGet every wire splice done right with this comprehensive 120-piece set of BN tinned copper non-insulated crimp butt connectors. Covering six popular sizes — from 0.2mm² to 6mm² (26–10 AWG) — this kit handles everything from delicate low-gauge signal wires to heavier power cables. Each connector is crafted from pure copper with a corrosion-resistant tin plating, delivering a low-resistance, mechanically secure crimp joint every time.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e120 connectors included\u003c\/strong\u003e — 6 types (BN0.5, BN0.75, BN1.25, BN2, BN3.5, BN5.5), 20 pcs each, organized in a compact storage box\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTinned copper construction\u003c\/strong\u003e — excellent conductivity with tin plating for long-lasting corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide size range\u003c\/strong\u003e — fits 0.2mm²–6mm² \/ 26–10 AWG cables for automotive, electrical, and DIY applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-insulated design\u003c\/strong\u003e — allows full visual inspection of the crimp joint; wrap with heat shrink tubing or insulating tape after crimping\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable crimp connection\u003c\/strong\u003e — forms a strong mechanical and electrical bond using a standard crimping tool\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact storage box\u003c\/strong\u003e — 108 × 62.30 × 16.50 mm case keeps sizes organized and accessible on the job\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-Insulated Crimp Butt Splice\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTinned Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWire Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.2mm²–6mm² \/ 26–10 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModels Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBN0.5, BN0.75, BN1.25, BN2, BN3.5, BN5.5\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 pcs ±2 pcs (20 pcs per size)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBox Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e108 × 62.30 × 16.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow 50V AC \/ 75V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrip the wire:\u003c\/strong\u003e Remove insulation to a length matching the connector — keep insulation from entering the barrel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean the copper core:\u003c\/strong\u003e Remove any oxidation or oil so the copper surface is bright and clean.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert both wires:\u003c\/strong\u003e Push the copper cores of the two wires into the connector from opposite ends until they make firm contact inside.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheck alignment:\u003c\/strong\u003e Confirm wires are straight, not skewed, and the copper cores are fully enclosed within the connector barrel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrimp:\u003c\/strong\u003e Use a dedicated crimping tool aligned with the connector's indentation mark and apply firm, even pressure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspect the joint:\u003c\/strong\u003e Check for even crimping with no cracking or deformation, and verify the wire is secure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulate the joint:\u003c\/strong\u003e Since these connectors are non-insulated by design, always cover the finished crimp with heat shrink tubing, insulating tape, or an insulating sleeve to prevent short circuits and environmental exposure.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eGreat for Use With\u003c\/h3\u003e\n\u003cp\u003eAutomotive wiring, home electrical projects, marine electronics, control panels, DIY repairs, and any application requiring a clean, reliable wire splice. Pair these connectors with a quality crimping tool for professional results every time.\u003c\/p\u003e\n\n\u003cp\u003eYou may also find these related products useful for your electrical and wiring projects:\u003cbr\u003e\n\u003ca href=\"\/products\/10pcs-2-pin-quick-splice-spring-wire-connectors-lock-terminals\"\u003e10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Do I need a special crimping tool to use these butt connectors?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, a standard crimping tool designed for non-insulated terminals is recommended. Using the correct tool ensures the connector bites firmly onto the copper core, creating a reliable mechanical and electrical connection. Using pliers or improper tools may result in a weak or unreliable crimp.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these butt connectors suitable for outdoor or automotive wiring?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The tinned copper construction provides excellent corrosion resistance, making these connectors suitable for automotive, marine, and outdoor electrical applications. Since they are non-insulated, we strongly recommend covering the finished crimp joint with heat shrink tubing or insulating tape to protect against moisture, short circuits, and environmental exposure.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What wire sizes are included in the 120-piece kit?\u003c\/h4\u003e\n\u003cp\u003eA: The kit includes six connector sizes — BN0.5, BN0.75, BN1.25, BN2, BN3.5, and BN5.5 — covering wire gauges from 0.2mm² to 6mm² (26–10 AWG). Each size comes with 20 pieces, for a total of 120 connectors organized in a compact storage box.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Why are non-insulated connectors preferred in some applications?\u003c\/h4\u003e\n\u003cp\u003eA: Non-insulated butt connectors allow you to visually inspect the crimped joint to verify the copper cores are properly connected before adding your own insulation. They are also thinner and more compact than pre-insulated connectors, making them ideal for tight spaces in automotive or control panel wiring where a slimmer profile is needed.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do I need a special crimping tool to use these butt connectors?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, a standard crimping tool designed for non-insulated terminals is recommended. Using the correct tool ensures the connector bites firmly onto the copper core, creating a reliable mechanical and electrical connection. Using pliers or improper tools may result in a weak or unreliable crimp.\"}}, {\"@type\": \"Question\", \"name\": \"Are these butt connectors suitable for outdoor or automotive wiring?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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