CE RD PHG 250 0603 Copyright 2003 by Wurth 09 0152 Countersink Set 90 with triple cutting edges Art No 69401701 Contents 1 countersink bit each of o 63 83 104 124 165 205 mm HSS for standard commercial steels D IN 335 type C round shaft C BN cubical boron nitride deep ground D eburring and countersinking in one go S pecial grinding of the tool allows for chatterfree handling smooth surface structure excellent burr removal and extended tool life S peed table enclosed Extend tool life and improve cutting performance by using Wurth Drilling and Cutting Oil Eco Art No 893050012 or Drilling and Cutting Oil Gel Art No 893050013 Countersink o mm for counter sunk screws Total length mm Shank o mm 63 M 3 45 5 83 M 4 50 6 104 M 5 50 6 214 M 6 56 8 165 M 8 60 10 205 M 10 63 10 Medium For general construction steel 900 Nmm St 32 St 70 cast iron nonferrous metals Cutting speed mmin 10 15 o mm n rpm 63 500 800 83 400 600 104 300 500 124 250 400 165 200 300 205 150 250 Standard speed values for countersinkers