直接废长期扭曲演习

Straight shank long twist drills designed for drilling deep holes or deeply located holes. Drills in steel,cast steel alloyed and un-alloyed,grey cast iron,malleable cast iron graphite. Surface treatment:Steam Homa(Black Oxide Finish) special treatment:titanium plating STANDARD DIN340(unit:mm)DRILL DIAMMETER(D)OVERALL LENGTH(L)FLUTE LENGTH(L1)0.50-1.0056331.1060371.20-1.3065411.40-1.5070451.60-1.7076501.80-1.9080532.00-2.108552.20-2.3090592.40-2.6095622.70-3.00100663.10-3.30106693.40-3.70112733.80-4.20119784.30-4.70126824.80-5.30132875.40-6.00139916.10-6.70148976.80-7.501561027.60-8.501651098.60-9.501751159.60-10.6018412110.70-11.8019512811.90-13.2020513413.30-14.00214140 NON-STANDARDD0.5-20(mm)L100120160200250300350400450500550600L16080110140180220250300350400450500 Welcome to send us drawing for non-standard drills. If you want to hold more details about our products,don't hesitate to contact me.