{"product_id":"kungjuer-helicoil-thread-repair-kit-263pcs-metric-sae-inserts-hss-drills","title":"KUNGJUER Helicoil Thread Repair Kit 263PCS — Metric \u0026 SAE Inserts, HSS Drills","description":"\u003cp\u003e\u003cstrong\u003eThe KUNGJUER 263PCS Helicoil Thread Repair Kit restores stripped internal threads and prevents future wear across metric and SAE sizes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis comprehensive thread-restoration set supplies everything needed to repair or reinforce damaged internal threads in engines, machinery, and metal components. With both metric and SAE coverage, heat-treated HSS drill bits and taps, plus a large supply of stainless thread inserts, the kit is built for robust, repeatable repairs and organized storage.\u003c\/p\u003e\n\n\u003ch3\u003eWhich thread sizes does this kit support?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes Helicoil inserts and installation tools for common SAE and metric sizes used in automotive and industrial repair. It covers smaller fasteners used in electronics and larger bolts found in engines and assemblies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSAE: 1\/4\", 5\/16\", 3\/8\", 7\/16\", 1\/2\"\u003c\/li\u003e\n  \u003cli\u003eMetric: M5, M6, M8, M10, M12\u003c\/li\u003e\n  \u003cli\u003eIncludes 220 stainless thread inserts and 2 thread gauges for verification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and precise are the drill bits and taps?\u003c\/h3\u003e\n\u003cp\u003eDrill bits and taps are forged from heat-treated high-speed steel (HSS) for wear resistance and long life under repeated use. Heat treatment improves cutting consistency and reduces the likelihood of breakage when working with aluminum, steel, or cast materials.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHSS construction for elevated strength and sharpness\u003c\/li\u003e\n  \u003cli\u003ePrecision-ground geometry for cleaner thread profiles\u003c\/li\u003e\n  \u003cli\u003eDesigned to work reliably with provided Helicoil inserts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools and parts are included for installation?\u003c\/h3\u003e\n\u003cp\u003eThe set arrives with a complete toolbox of installation hardware—everything needed from drilling to breaking off the tang. Organized layout in the carry case keeps items accessible and prevents loss of small parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10 installation tools and 10 breaking pins for fast insertion\u003c\/li\u003e\n  \u003cli\u003e10 twist drills and 10 screw taps matched to insert sizes\u003c\/li\u003e\n  \u003cli\u003e1 hex key, 2 thread gauges, and 220 thread inserts included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich materials and applications are appropriate for this rethreading kit?\u003c\/h3\u003e\n\u003cp\u003eThis kit is engineered for use on a wide range of metals typical in automotive and mechanical work. It serves both repair and preventative reinforcement roles for threaded holes exposed to vibration and frequent assembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuitable for aluminum, iron, carbon steel, bronze, and magnesium\u003c\/li\u003e\n  \u003cli\u003eIdeal for spark plug holes, engine components, bearings, and housings\u003c\/li\u003e\n  \u003cli\u003eWorks for maintenance, restoration, and strengthening of threadways\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The KUNGJUER 263PCS Helicoil Thread Repair Kit is aimed at mechanics, maintenance technicians, DIYers, and engineers who need a reliable, all-in-one solution to restore or reinforce stripped internal threads. If you frequently work on engines, small machinery, or custom assemblies and want a portable, organized set that covers both metric and SAE sizes, this kit is a practical addition to your tool collection.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit include both metric and SAE sizes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it includes 1\/4\"–1\/2\" SAE and M5–M12 metric sizes with matching inserts and tools.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the drill bits and taps suitable for repeated use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they are made from heat-treated HSS for enhanced strength and longer life.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KUNGJUER","offers":[{"title":"Default Title","offer_id":48080913793182,"sku":"B0DMVNP6WL","price":79.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/kungjuer-front-case-open.jpg?v=1785792279","url":"https:\/\/northtrailauto.ca\/products\/kungjuer-helicoil-thread-repair-kit-263pcs-metric-sae-inserts-hss-drills","provider":"North Trail Auto","version":"1.0","type":"link"}