{"id":2415,"date":"2026-01-13T10:01:59","date_gmt":"2026-01-13T10:01:59","guid":{"rendered":"https:\/\/hycuttingtools.com\/?post_type=product&p=2415"},"modified":"2026-09-19T11:34:59","modified_gmt":"2026-09-19T11:34:59","slug":"mpr-22-degree-micro-internal-profiling-bar","status":"publish","type":"product","link":"https:\/\/hycuttingtools.com\/fa\/product\/mpr-22-degree-micro-internal-profiling-bar\/","title":{"rendered":"MPR Series 22 Degree Solid Carbide Micro Internal Profiling and Boring Bar for Small Bore Machining"},"content":{"rendered":"
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MPR Carbide Micro Internal Profiling Bar Overview<\/h2>\n
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MPR Series solid carbide micro internal profiling bars are designed for precision boring, profiling, chamfering and shoulder finishing inside small-diameter bores. The standard range covers actual cutting diameters from \u00d80.8 mm to \u00d87.9 mm, with effective machining lengths from 3 mm to 30 mm.<\/p>\n

The one-piece fine-grain solid carbide construction provides the rigidity required for small-bore CNC turning. Its compact cutting head and relieved neck allow the tool to reach restricted internal features while maintaining dimensional accuracy and stable surface quality.<\/p>\n<\/section>\n

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Key Product Features<\/h3>\n
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Small-Bore Profiling<\/strong>Standard models cover actual cutting diameters from \u00d80.8 mm to \u00d87.9 mm for miniature internal features.
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Precision Profiling Geometry<\/strong>Tip radii from R0.05 mm to R0.20 mm support internal contouring, chamfering and shoulder finishing.
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Solid Carbide Rigidity<\/strong>Fine-grain solid carbide construction helps reduce tool deflection and supports stable cutting in restricted internal spaces.
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Multiple Reach Options<\/strong>Effective lengths from 3 mm to 30 mm support internal profiles located at different machining depths.
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Typical Applications<\/h3>\n
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Application<\/th>\nMachining Requirement<\/th>\n<\/tr>\n<\/thead>\n
Small-Bore Internal Turning<\/td>\nPrecision turning and finishing of small internal diameters.<\/td>\n<\/tr>\n
Internal Profiling<\/td>\nMachining internal contours, transitions and short profile features inside restricted bores.<\/td>\n<\/tr>\n
Shoulder & Chamfer Finishing<\/td>\nFinishing internal shoulders, angled transitions and bore-entry chamfers where clearance permits.<\/td>\n<\/tr>\n
Miniature Precision Components<\/td>\nSuitable for sleeves, bushings, hydraulic components, medical parts and precision-turned components.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n

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