{"product_id":"38-inch-carbide-square-end-mills-set-4-flute-hrc55","title":"3\/8 Inch Carbide Square End Mills Set, 4 Flute, HRC55 TiSiN Coated End Milling Bits For Alloy Steels And Hardened Steel, Heavy Duty CNC Tooling For Side Milling End Milling Slot Milling And Step Milling","description":"\u003cdiv\u003e3\/8in 4-Flute Carbide End Mill with TiSiN Coating\u003cbr\u003e\n✔️ 1 pc, 3\/8 in diameter, 4-flute carbide cutter, TiSiN coated \u003cp\u003eThis 3\/8 inch, 4-flute carbide end mill is a heavy‑duty CNC bit designed for side milling, end milling, slot milling and step milling on alloy steels and hardened steels. The TiSiN coating enhances high-temperature stability and wear resistance, while 0.6 μm micrograin carbide provides solid strength for tough materials. Compatible with most desktop and industrial CNC machines, it’s ideal for materials under HRC 50.\u003c\/p\u003e ✅ 3\/8 in (9.525 mm) diameter, 4-flute carbide end mill \u003cbr\u003e\n✅ 0.6 μm micrograin carbide core for durability \u003cbr\u003e\n✅ TiSiN coating for high-temperature stability and wear resistance \u003cbr\u003e\n✅ 35° helix design for smooth finish and efficient chip removal \u003cbr\u003e\n✅ Suitable for alloy steels, No.45 steel, P20, cast iron; best for materials with hardness under 50 HRC \u003cbr\u003e\n✅ Compatible with most desktop and industrial CNC machines \u003cbr\u003e \u003cp\u003e💡 What is a 3\/8 inch carbide end mill best used for in hard steel milling? Quick answer: Handy for precise material removal in alloy and pre-hardened steels.\n- For profiling, slotting, and edging in steels up to HRC 50. \u003cbr\u003e\n- TiSiN coating enhances heat resistance and edge life. \u003cbr\u003e\n- The 3\/8 in diameter fits common CNC machines for quick swaps. \u003cbr\u003e\n- The 4-flute design enables efficient chip evacuation and stable cuts. \u003cbr\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48161048920299,"sku":"VXB0FCRS92Z9","price":88.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71GPzoOMalL_534f1928-bd02-46c6-bcb5-3a9fbc566c8f.jpg?v=1777484577","url":"https:\/\/vxb.com\/products\/38-inch-carbide-square-end-mills-set-4-flute-hrc55","provider":"VXB Bearings","version":"1.0","type":"link"}