Page 95 of Bore Line Hole Making by Ingersoll Cutting Tools

i material number 1 2 3 4 5 cutting speed vc sfm 160-430 330-390 300-360 300-390 230-300 160-360 230-360 200-300 130-230 160-260 130-230 70-160 300-460 260-430 330-590 300-520 replaceable point drills operating guidelines feed vs drill diameter ipr d 268 429 d 433 508 d 512 587 d 591 665 d 669 823 d 827-1.020 iso .005 008 .006 010 .008 012 .010 014 .010 018 .010 018 p 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 .005 008 .006 010 .008 012 .010 014 .012 016 .012 018 .005 008 .005 009 .006 010 .008 011 .010 013 .010 014 m k .003 006 .005 009 .005 006 .006 008 .006 009 .006 011 .008 012 .010 014 .012 016 .014 018 .016 020 .016 024 300-520 n 25 26 27 28 29 30 31 32 33 260-390 .008 014 .010 016 .012 018 .014 018 .016 024 .016 026 300-520 100-160 s 70-130 .002 004 .003 005 .004 006 .005 007 .005 008 .005 009 34 35 36 37 38 70-160 .002 005 .004 006 .005 007 .006 008 .006 009 .006 010 h 39 40 41 70-160 .002 005 .004 006 .005 007 .006 008 .006 009 .006 010 95

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