Folding drill bit for indexable inserts fi 25 mm 4D for 2 inserts WCMX05030

Folding drill fi 25 mm for 2 wafers WCMX050308 Drilling depth 4 x D Internal coolant supply , mounting diameter fi 25mm Drills are sold without inserts . Material - VC m / min - drill diameter - feed Steel 140 - 240 - fi 16 - 22 mm - 0,05 - 0,12 mm Steel 140 - 240 - fi 22 - 30 mm - 0,08 - 0,18 mm Steel 140 - 240 - fi 30 - 40 mm - 0,15 - 0,30 mm