CE WH PHG 250 0808 Copyright 2008 by Wurth 05 0160 HSSE Step Drill C BN cubical boron nitride deep ground S uitable for material thickness up to 4 mm C entering drilling and deburring in one step Less pressure needed due to specially ground opening angle per cutting step Sharp cutting edges produce exact hole sizes Extended service life due to radial and axial relief grinding Increase life span by using Wurth Cutting Oil Art No 893050004 HSS Reamer C BN cubical boron nitride deep ground U niversally suitable Stepless drilling and widening of holes within the diameter range 320 mm S uitable for drilling thin sheet metal No counter sinking or predrilling required B urrfree drilling without deforming the sheet metal Excellent heat conductivity for improved tool life due to radial and axial relief grinding Increase life span by using Wurth Cutting Oil Art No 893050004 Size Drill Diameter Total length Shank dia Art No mm mm mm 13 1 4 5 3 6 69402414 25 2 0 6 1 8 69402420 Recommended cutting speeds RPM Drill dia Art No Nonferrous Steel unhar High grade Duro Thermo mm metals dened St 14St 37 stainless plastics plastics 2400800 1350460 1200460 1200400 1600550 412 694022412 2400320 1350185 1200160 1200160 1600220 430 694022430 CUTCOOL Cutting and Drilling Oil Art No 893050004