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鉆孔能力：木材、塑鋼最大40mm 銅、鋁鋅最大16mm 鋼最大6mm 鉆孔頭可承受高速運轉達4500RPM 適合家具類、玩具組合系列 可裝在一般鉆孔機使用 Boring capacity :wood and plas tic steel for max. ∮40mm Copper,aluminium and zinc for max.∮16mm Iron and steel for max.∮6mm Bearable speedy rotation for boring head is 4500RPM Fit for the furniture and toys com bination series Can be fixed in general boring machine for using