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Available in nominal diameters from 3.01–3.99 mm, depending on the selected variant.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBF2045 carbide grade positioned for aluminum and low-hardness non-ferrous materials\u003c\/li\u003e\n\u003cli\u003eDesigned for precision hole sizing and finishing after drilling or boring\u003c\/li\u003e\n\u003cli\u003eSolid carbide construction for good rigidity and wear resistance\u003c\/li\u003e\n\u003cli\u003eSpiral flute geometry for smooth cutting and controlled chip evacuation\u003c\/li\u003e\n\u003cli\u003eMultiple diameter, length and flute-count configurations available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to Choose\u003c\/h3\u003e\u003cp\u003eSelect the nominal diameter according to the required finished hole size. Then choose a length that reaches the machining position while allowing for hole depth and setup clearance. Avoid unnecessary extra reach where possible. Before ordering, verify the complete variant dimensions and flute count rather than selecting by diameter alone.\u003c\/p\u003e\u003ch3\u003eApplication Notes\u003c\/h3\u003e\u003cp\u003eA reamer is used to finish an existing prepared hole; it is not a substitute for drilling directly into solid material. Reaming allowance, spindle speed, feed rate and coolant conditions should be selected according to the workpiece material, machine rigidity, hole size, hole depth and actual machining setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRecommended materials:\u003c\/strong\u003e aluminum, aluminum alloys, copper, copper alloys and similar relatively low-hardness non-ferrous materials.\u003c\/p\u003e","brand":"BB 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