{"id":1033,"date":"2025-11-10T04:03:56","date_gmt":"2025-11-10T04:03:56","guid":{"rendered":"https:\/\/hycuttingtools.com\/?post_type=product&p=1033"},"modified":"2026-09-10T18:16:08","modified_gmt":"2026-09-10T18:16:08","slug":"4-flute-stub-length-solid-carbide-internal-radius-cutter","status":"publish","type":"product","link":"https:\/\/hycuttingtools.com\/vi\/san-pham\/4-flute-stub-length-solid-carbide-internal-radius-cutter\/","title":{"rendered":"4-Flute Stub-Length Solid Carbide Internal-Radius End Mill for Steel"},"content":{"rendered":"
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Carbide Internal-Radius End Mill Overview<\/h2>\n

This 4-flute stub-length solid carbide internal-radius end mill is designed for precision radius machining, mold details and smooth curved transitions in steel components. The formed radius profile allows defined internal-radius features to be machined with consistent geometry, while the compact tool length provides a rigid setup for CNC milling. Four cutting edges support stable engagement during profile machining and finishing, and the micro-grain solid carbide substrate provides the strength and dimensional stability required for steel-oriented applications. Standard 4-flute configurations cover radius sizes from R1 to R6 mm.<\/p>\n

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Radius Range<\/span>
\nR1\u2013R6 mm<\/span><\/div>\n
Flute Count<\/span>
\n4 Flutes<\/span><\/div>\n
V\u1eadt li\u1ec7u d\u1ee5ng c\u1ee5<\/span>
\nMicro-Grain Carbide<\/span><\/div>\n
Standard OAL<\/span>
\n50 \/ 60 \/ 75 mm<\/span><\/div>\n<\/div>\n<\/section>\n

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Internal-Radius Cutting Configuration<\/h3>\n
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Form-Ground Radius Profile<\/h4>\n

The cutting profile is ground to the specified radius for machining defined internal-radius features, mold details and smooth transitions between adjacent surfaces.<\/p>\n<\/div>\n

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Stub-Length Rigid Design<\/h4>\n

Compact 50\u201375 mm standard overall lengths help maintain tool rigidity and reduce unnecessary overhang during precision radius machining.<\/p>\n<\/div>\n

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4-Flute Cutting Geometry<\/h4>\n

Four cutting edges provide repeated cutting engagement for stable profile machining and consistent surface finishing in steel applications.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Application-Specific Advantages<\/h3>\n
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R<\/div>\n

Defined Radius Geometry<\/h4>\n

Standard R1\u2013R6 configurations cover common internal-radius and transition requirements.<\/p>\n<\/div>\n

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4F<\/div>\n

Four Cutting Edges<\/h4>\n

The 4-flute layout supports stable cutting engagement during radius profiling and finishing.<\/p>\n<\/div>\n

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ST<\/div>\n

Compact Tool Length<\/h4>\n

Stub-length configurations provide a compact cutting setup where extended reach is not required.<\/p>\n<\/div>\n

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OEM<\/div>\n

Custom Radius Options<\/h4>\n

Radius, shank diameter, overall length, coating and profile geometry can be reviewed for non-standard orders.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Recommended Machining Operations<\/h3>\n
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Internal Radius Machining<\/strong>
\nRECOMMENDED<\/span><\/div>\n
Curved Transitions<\/strong>
\nRECOMMENDED<\/span><\/div>\n
Mold Detail Profiling<\/strong>
\nRECOMMENDED<\/span><\/div>\n
Profile Finishing<\/strong>
\nSUITABLE<\/span><\/div>\n<\/div>\n
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Application Note:<\/strong>
\nMatch the cutter radius to the required component radius and confirm adequate tool clearance around adjacent walls and features. Use a low-runout holder and the shortest practical overhang for precision radius finishing.<\/p>\n<\/div>\n<\/section>\n

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Workpiece Material Compatibility<\/h3>\n
\n\n\n\n\n\n\n\n\n
MATERIAL GROUP<\/th>\nAPPLICATION<\/th>\nLEVEL<\/th>\n<\/tr>\n<\/thead>\n
P Carbon Steel<\/td>\nRadius profiling, mold details and curved transitions<\/td>\nPrimary<\/td>\n<\/tr>\n
P Alloy \/ Mold Steel<\/td>\nCoating selected according to steel grade and hardness<\/td>\nPrimary<\/td>\n<\/tr>\n
M Stainless Steel<\/td>\nApplication-specific coating and machining parameters recommended<\/td>\nApplication Review<\/td>\n<\/tr>\n
K Cast Iron<\/td>\nSuitable configuration selected according to workpiece condition<\/td>\nSuitable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n

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Product Details<\/h3>\n

Product views showing the internal-radius cutting profile, 4-flute geometry and compact solid carbide tool construction.<\/p>\n

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