Folding drill bit for interchangeable inserts fi 28 mm 3D for 2 inserts WCMX05030

Folding drill fi 28 mm for 2 inserts WCMX050308 Drilling depth 3 x D Internal coolant supply, mounting diameter fi 32mm NOTE - 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