{"product_id":"b0fjdnv1b1","title":"Kolvoii 81-Piece Tap and Die Set, SAE \u0026 Metric #4–1\/2\" \u0026 M3–M12, Heavy-Duty GCr15 Steel Rethreading Tool Kit with Coarse and Fine Threads for Internal and External Threads","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eAll-in-One SAE \u0026amp; Metric Threading Kit：Kolvoii 81-piece tap and die set includes both SAE (#4–1\/2\") and Metric (M3–M12) coarse and fine threads. Designed for cutting, repairing, or rethreading threads—versatile for fastener or hole repair task\u003c\/li\u003e\n\u003cli\u003eIndustrial-Grade GCr15 Bearing Steel (60 HRC): Crafted from heat-treated GCr15 bearing steel with Rockwell hardness up to 60 HRC, delivering excellent wear resistance and torque strength. Maintains cutting accuracy under load without deformation, even during repeated rethreading tasks\u003c\/li\u003e\n\u003cli\u003ePrecision CNC-Machined Cutting Teeth: CNC-ground taps and dies produce clean, accurate internal and external threads on steel, aluminum, brass, copper, and cast iron. Optimized tooth geometry reduces friction and cross-threading for smoother, more controlled threading\u003c\/li\u003e\n\u003cli\u003eDual Thread Pitch Gauges \u0026amp; Spiral Extractors: Includes both SAE and metric thread pitch gauges for fast, accurate thread identification. Spiral flute bolt extractors (EZ-Out style) help remove broken bolts and studs without damaging surrounding threads—saving time on repairs\u003c\/li\u003e\n\u003cli\u003eAdjustable Tap \u0026amp; Die Wrenches for Control: Adjustable tap and die wrenches provide secure locking, precise alignment, and steady pressure across multiple sizes. Supports straight, consistent threading\u003c\/li\u003e\n\u003cli\u003eComplete Accessory Kit: 68 Taps and dies, long handle tap wrench, T-handle tap wrench, adjustable die wrench, screwdriver, metric and SAE thread pitch gauges, centre punch, 5 spiral flute extractors—all neatly stored in a rugged blow-molded case\u003c\/li\u003e\n\u003cli\u003eIdeal for Automotive, Machinery \u0026amp; DIY Repairs: Well-suited for restoring stripped threads on bolts, rods, and threaded holes in automotive repair, machinery maintenance, home workshops, and general metalworking projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Kolvoii","offers":[{"title":"Default Title","offer_id":53043615236405,"sku":"B0FJDNV1B1","price":107.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5698\/4373\/files\/81fI_7hi6L._AC_SX679.jpg?v=1782613383","url":"https:\/\/www.mybellabloom.com\/products\/b0fjdnv1b1","provider":"Bella Bloom","version":"1.0","type":"link"}