{"id":1238,"date":"2025-11-11T13:33:51","date_gmt":"2025-11-11T13:33:51","guid":{"rendered":"https:\/\/hycuttingtools.com\/?post_type=product&p=1238"},"modified":"2026-08-31T15:03:25","modified_gmt":"2026-08-31T15:03:25","slug":"8d-solid-carbide-drill-deep-hole-machining","status":"publish","type":"product","link":"https:\/\/hycuttingtools.com\/ru\/%d0%bf%d1%80%d0%be%d0%b4%d1%83%d0%ba%d1%82\/8d-solid-carbide-drill-deep-hole-machining\/","title":{"rendered":"8D Through-Coolant Solid Carbide Drill for Precision Deep Hole Drilling"},"content":{"rendered":"
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8D Through-Coolant Carbide Drill<\/h2>\n

This 8D through-coolant solid carbide drill is designed for precision CNC hole machining to a nominal depth of eight times the cutting diameter. Internal coolant passages deliver cutting fluid directly to the drill point, helping control heat and move chips through the extended helical flutes. Its rigid carbide body, coated cutting section and straight-shank configuration support stable deep-hole drilling when coolant pressure, holder runout, workpiece clamping and cutting parameters are properly controlled. Standard cutting diameters range from \u00d83 to \u00d820 mm, with custom configurations available for application-specific requirements.<\/p>\n

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Drilling Depth<\/span>
\n8\u00d7D<\/span><\/div>\n
\u041f\u043e\u0434\u0430\u0447\u0430 \u043e\u0445\u043b\u0430\u0436\u0434\u0430\u044e\u0449\u0435\u0439 \u0436\u0438\u0434\u043a\u043e\u0441\u0442\u0438<\/span>
\nThrough-Coolant<\/span><\/div>\n
Tool Material<\/span>
\n\u0422\u0432\u0435\u0440\u0434\u044b\u0439 \u043a\u0430\u0440\u0431\u0438\u0434<\/span><\/div>\n
\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0434\u0438\u0430\u043c\u0435\u0442\u0440\u043e\u0432<\/span>
\n\u00d83\u2013\u00d820 mm<\/span><\/div>\n<\/div>\n<\/section>\n

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Key Configuration<\/h3>\n
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1<\/span><\/p>\n

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8\u00d7D Deep-Hole Configuration<\/h4>\n

The extended cutting and flute section supports a nominal drilling depth of eight times the cutting diameter.<\/p>\n<\/div>\n<\/div>\n

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2<\/span><\/p>\n

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Internal Coolant Channels<\/h4>\n

Through-tool passages deliver coolant near the cutting edges to support cooling, lubrication and chip evacuation at depth.<\/p>\n<\/div>\n<\/div>\n

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3<\/span><\/p>\n

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Coated Helical Flute Design<\/h4>\n

Coated cutting edges and continuous helical flutes help manage wear and guide chips toward the hole entrance.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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8D Through-Coolant Drill Configuration<\/h3>\n
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\"Five

8D through-coolant solid carbide drill series<\/p>\n<\/div>\n<\/section>\n

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Key Product Advantages<\/h3>\n
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01<\/span><\/p>\n

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8\u00d7D Deep-Hole Capability<\/h4>\n

The extended flute section provides chip space for precision holes reaching a nominal depth of eight times diameter.<\/p>\n<\/div>\n<\/div>\n

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02<\/span><\/p>\n

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Targeted Coolant Delivery<\/h4>\n

Internal passages deliver coolant close to the drill point, where external coolant has limited access.<\/p>\n<\/div>\n<\/div>\n

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03<\/span><\/p>\n

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Rigid Carbide Construction<\/h4>\n

The solid-carbide body supports stiffness and dimensional stability during precision CNC deep-hole drilling.<\/p>\n<\/div>\n<\/div>\n

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04<\/span><\/p>\n

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Helical Chip Evacuation<\/h4>\n

Continuous flutes work with coolant flow to guide chips toward the hole entrance and reduce chip packing.<\/p>\n<\/div>\n<\/div>\n

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05<\/span><\/p>\n

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Coated Cutting Section<\/h4>\n

Application-matched coating options help protect the cutting edges against heat and abrasive wear.<\/p>\n<\/div>\n<\/div>\n

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06<\/span><\/p>\n

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Precision Straight Shank<\/h4>\n

The straight shank provides a consistent clamping surface for compatible low-runout precision holders.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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Coolant Delivery at the Cutting Zone<\/h3>\n
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\"Close

Internal coolant outlets positioned near the drill cutting edges<\/p>\n<\/div>\n

Cooling:<\/strong> Direct delivery helps manage temperature at the drill point.
\nChip Flow:<\/strong> Coolant flow supports chip movement into and through the extended helical flutes.<\/div>\n<\/section>\n

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Product Geometry & Additional Views<\/h3>\n
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\"Two

Extended 8D Flute Section<\/strong>
\nLonger flutes provide chip space for deeper holes.<\/span><\/div>\n<\/div>\n
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\"Crossed

Helical Flute Geometry<\/strong>
\nContinuous flutes guide chips toward the hole entrance.<\/span><\/div>\n<\/div>\n
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\"Four

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