{"id":3549,"date":"2026-07-25T12:04:09","date_gmt":"2026-07-25T12:04:09","guid":{"rendered":"https:\/\/hycuttingtools.com\/?post_type=product&p=3549"},"modified":"2026-08-31T15:21:33","modified_gmt":"2026-08-31T15:21:33","slug":"coated-2-flute-solid-carbide-micro-drill-for-hardened-steel","status":"publish","type":"product","link":"https:\/\/hycuttingtools.com\/ko\/%ec%a0%9c%ed%92%88\/coated-2-flute-solid-carbide-micro-drill-for-hardened-steel\/","title":{"rendered":"Coated 2-Flute Solid Carbide Micro Drill for Hardened Steel"},"content":{"rendered":"
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Micro Drill for Hardened Steel<\/h2>\n

This coated 2-flute solid carbide micro drill is designed for precision small-hole machining in selected hardened steels, tool steels, mold steels and other confirmed hard materials. Fine-grain solid carbide, a wear-resistant PVD coating, strengthened cutting lips and precision-ground point geometry support cutting-edge stability under high local cutting load and heat. Flute length, shank structure, coating and edge preparation can be matched to the cutting diameter, hole depth, actual workpiece hardness, machine rigidity, coolant method and required tolerance.<\/p>\n

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\uae30\ud310<\/span>
\nFine-Grain Carbide<\/span><\/div>\n
\ud50c\ub8e8\ud2b8 \uc218<\/span>
\n2 Spiral Flutes<\/span><\/div>\n
Surface<\/span>
\nPVD Coated<\/span><\/div>\n
Primary Use<\/span>
\n\uac15\ud654 \uac15\ucca0<\/span><\/div>\n<\/div>\n<\/section>\n

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Key Configuration<\/h3>\n
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Wear-Resistant PVD Coating<\/h4>\n

The coated surface is intended to improve resistance to abrasive wear and thermal loading in selected hardened-steel applications.<\/p>\n<\/div>\n

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Strengthened 2-Flute Geometry<\/h4>\n

Two spiral flutes balance cutting-edge support, drill-core rigidity and chip space for small-diameter hardened-steel drilling.<\/p>\n<\/div>\n

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Controlled Micro Flute Length<\/h4>\n

Flute length can be matched to diameter and hole depth to reduce unnecessary overhang and support micro-drill stiffness.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Key Product Advantages<\/h3>\n
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Fine-Grain Carbide Rigidity<\/h4>\n

Fine-grain solid carbide provides the rigidity and cutting-edge support needed for small-diameter drilling under the higher cutting loads generated by hardened steel.<\/p>\n<\/div>\n

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Precision-Ground Point Geometry<\/h4>\n

A precision-ground drill point supports controlled entry and balanced cutting-lip engagement when the tool is used on a stable surface with low runout.<\/p>\n<\/div>\n

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Strengthened Cutting-Edge Support<\/h4>\n

Application-specific edge preparation helps support the micro cutting edge where material hardness, local cutting load and edge-chipping risk are higher.<\/p>\n<\/div>\n

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PVD Coating for Wear Control<\/h4>\n

A wear-resistant PVD coating helps protect the cutting lips and flank surfaces from abrasive wear and concentrated heat during stable hardened-steel micro drilling.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Workpiece Material Compatibility<\/h3>\n
\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n
ISO CODE<\/th>\nMATERIAL GROUP<\/th>\nREPRESENTATIVE MATERIALS<\/th>\nAPPLICATION STATUS<\/th>\n<\/tr>\n<\/thead>\n
P<\/td>\nPre-Hardened Mold Steel<\/td>\nP20, NAK80 and similar grades<\/td>\n\u25cb Confirm Hardness<\/td>\n<\/tr>\n
P<\/td>\nHardened Tool Steel<\/td>\nD2, SKD11, DC53 and similar grades<\/td>\n\u25cf Primary Review Range<\/td>\n<\/tr>\n
P<\/td>\nHot-Work Tool Steel<\/td>\nH13, SKD61 and similar grades<\/td>\n\u25cb Confirm Condition<\/td>\n<\/tr>\n
M<\/td>\nHardened Stainless Steel<\/td>\nSelected confirmed grades<\/td>\n\u25cb Application Review<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
Material Note:<\/strong> Material grade alone does not define the cutting condition. Actual hardness, heat-treatment condition, hole depth, coating, runout, machine rigidity and coolant method should be confirmed before tool selection.<\/div>\n<\/section>\n

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Applications & Target Scope<\/h3>\n