{"product_id":"hrc55-carbide-square-end-mills-4-flute-tisin-coated-for-milling-alloy-steels-hardened-steel-metal-etc-size-d12x75mm","title":"HRC55 Carbide Square End Mills-4 Flute TiSiN Coated for Milling Alloy Steels, Hardened Steel, Metal etc.size D12x75mm","description":"\u003cp\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cstrong\u003e【Product Introduction】\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n \n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"background-color:rgb(252, 220, 0);color:rgb(211, 49, 21)\"\u003e6 Core Upgrades\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n \n\n\u003cp\u003e1. Nano Coating\u003c\/p\u003e\n\n\u003cp\u003e2. Fine Micro-Grains\u003c\/p\u003e\n\n\u003cp\u003e3. High Wear Resistance\u003c\/p\u003e\n\n\u003cp\u003e4. Smooth Cutting\u003c\/p\u003e\n\n\u003cp\u003e5. Solid Tungsten Carbide\u003c\/p\u003e\n\n\u003cp\u003e6. Clean Cut Surface\u003c\/p\u003e\n \n\n\u003cp\u003e\u003cstrong\u003e【Stringent Material Selection】\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e0.2µm Micro-Grain Tungsten Carbide Hard Alloy\u003c\/p\u003e\n\n\u003cp\u003eMade from micro-grain tungsten carbide substrate, this end mill delivers higher wear resistance and strength, making it ideal for high-hardness high-speed machining applications. It offers exceptional durability, rapid milling capability, and high hardness. Even under high temperatures generated during high-speed cutting, it maintains superior hardness and wear resistance.\u003c\/p\u003e\n \n\n\u003cp\u003e\u003cstrong\u003e【Fast Milling】\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEnhances efficiency with smooth chip evacuation. Suitable for processing materials such as cast iron, steel, copper, aluminum, and more.\u003c\/p\u003e\n \n\n\u003cp\u003e\u003cstrong\u003e【Wide Spiral Flute Design】 \u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eImproves chip removal efficiency, enhances vibration resistance, and reduces edge chipping.\u003c\/p\u003e\n \n\n\u003cp\u003e\u003cstrong\u003e【Precision Grinding and Passivation Treatment】 \u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe surface forms a dense, high-coverage passivation film that removes various contaminants, increases oxidation resistance, and extends tool life.\u003c\/p\u003e\n \n\n\u003cp\u003e\u003cstrong\u003e【TiSiN Nano Coating】\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe cutting edge is coated with TiSiN nano coating, allowing high-speed roughing to finishing of heat-treated materials up to 50 HRC directly. It offers high hardness, excellent wear and friction reduction properties, high thermal conductivity, superior surface finish, and corrosion resistance. Ensures stable performance and extended tool life.\u003c\/p\u003e\n \n\n\u003cp\u003e\u003cstrong\u003e【Cutter Head Design】\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e- 4-flute design with 35° helix angle for faster chip evacuation, smoother cutting, and higher machining efficiency.\u003c\/p\u003e\n\n\u003cp\u003e- Large core diameter design reduces breakage risk.\u003c\/p\u003e\n \n\n\u003cp\u003e\u003cstrong\u003e【Application Scenarios】\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIdeal for side milling and face milling with 4 flutes:\u003c\/p\u003e\n\n\u003cp\u003e1. Side Milling \/ Face Milling\u003c\/p\u003e\n\n\u003cp\u003e2. Surface Machining\u003c\/p\u003e\n\n\u003cp\u003e3. Countersinking\u003c\/p\u003e\n\n\u003cp\u003e4. Side Processing\u003c\/p\u003e\n\n\u003cp\u003e5. Groove Cutting\u003c\/p\u003e\n\n\u003cp\u003e6. U-Shaped Groove Cutting\u003c\/p\u003e\n \n\n\u003cp\u003eSpecifications： 【Mill Diameter】+【Cutting Legth】+【Shank Diameter】+【Overall Length】\u003c\/p\u003e\n\n\u003cp\u003eunit：mm\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD1x50: 1-- 3-- 4-- 50\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD1.5x50: 1.5-- 4.5-- 4-- 50\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD2x50: 2-- 6-- 4-- 50\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD2.5x50: 2.5-- 7-- 4-- 50\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD3x50: 3-- 8-- 4-- 50\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD4x50: 4-- 10-- 4-- 50\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD5x50: 5-- 13-- 5-- 50\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD6x50: 6-- 15-- 6-- 50\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD8x60: 8-- 20-- 8-- 60\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD4x75: 4-- 16-- 4-- 75\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD6x75: 6-- 25-- 6-- 75\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD8x75: 8-- 25-- 8-- 75\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD10x75: 10-- 25-- 10-- 75\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD12x75: 12-- 30-- 12-- 75\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD4x100: 4-- 20-- 4-- 100\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD6x100: 6-- 30-- 6-- 100\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD8x100: 8-- 35-- 8-- 100\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD10x100: 10-- 40-- 10-- 100\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD12x100: 12-- 45-- 12-- 100\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD14x100: 14-- 40-- 14-- 100\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD16x100: 16-- 45-- 16-- 100\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD18x100: 18-- 45-- 18-- 100\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD20x100: 20-- 45-- 20-- 100\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD6x150: 6-- 40-- 6-- 150\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD8x150: 8-- 40-- 8-- 150\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD10x150: 10-- 50-- 10-- 150\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD12x150: 12-- 55-- 12-- 150\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD14x150: 14-- 60-- 14-- 150\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD16x150: 16-- 70-- 16-- 150\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD18x150: 18-- 70-- 18-- 150\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"background-color:rgb(252, 220, 0)\"\u003eD20x150: 20-- 70-- 20-- 150\u003c\/span\u003e\u003c\/p\u003e\n \n\n\u003cp\u003e\u003cstrong\u003e【Usage Instructions】\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhat buyers need to know about tool selection and operation:\u003c\/p\u003e\n\n\u003cp\u003eBefore using the tool, check the tool runout. If the runout accuracy exceeds 0.01mm, correct it before cutting.\u003c\/p\u003e\n\n\u003cp\u003eKeep the tool extension from the collet as short as possible. If a longer extension is necessary, reduce the speed, feed rate, or cutting volume.\u003c\/p\u003e\n\n\u003cp\u003eIf abnormal vibrations or noises occur during cutting, reduce the speed and feed rate until the situation improves.\u003c\/p\u003e\n\n\u003cp\u003eFor cooling, mist or air spray methods are recommended to enhance milling effectiveness.\u003c\/p\u003e\n","brand":"Dr.Cutter","offers":[{"title":"Default Title","offer_id":48680379416804,"sku":"BD550GPR-4Sd12L30-D12L75","price":63.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0988\/4132\/files\/73c872bf65b53e79c4cbe943ba80fc86.jpg?v=1775639267","url":"https:\/\/www.dr-cutter.com\/products\/hrc55-carbide-square-end-mills-4-flute-tisin-coated-for-milling-alloy-steels-hardened-steel-metal-etc-size-d12x75mm","provider":"Dr.Cutter","version":"1.0","type":"link"}