Sumitomo Electric Industries, Ltd. 0480H5D Drill

Sumitomo Electric Industries, Ltd. MDF0480H5D is a flat-multi drill (MDF‑H type) built from carbide with an internal-lubrication system. It is engineered for precision drilling of small-diameter holes in metalworking and electronics-related applications, offering stable entry and reproducible hole quality. Key dimensions provided in Sumitomo’s catalogs include an overall length of 98 mm, an effective length (LU) of 28.8 mm, a flute length (LCF) of 32.2 mm, and a neck length (LUX) of 35.2 mm, enabling compact reach while preserving rigidity in deeper pockets. The MDF‑H5D designation identifies the internal-lubrication variant within the MDF family; the model is referenced in Sumitomo’s J-series catalogs as MDF0480H5D, confirming its position in the high-precision, high-efficiency drilling lineup. With carbide construction and the MDF platform’s multi-flute geometry, this tool is suited to demanding, repeatable drilling tasks where accurate hole geometry and surface finish are priorities.