Reference table of drills,threads,and cutting revolving speed

MaterialsBronzeAluminumAlloy
Copper		Cast IronIronStainless Steel
Cutting
conditions		 V value ±5 V value ±5 V value ±10 V value ±10 V value ±2 V value ±2 V value ±5 V value ±5 V value ±5 V value ±5 V value ±2 V value ±2
Cutting
conditions		 34 17 50 25 28 14 30 15 25 12 8 4

Cutting

R,P,M

D.I.A.
mm
Ø2 5415 2705 7960 3980 4460 2230 4780 2390 3980 1910 1275 635
Ø3 3610 1805 5310 2655 2970 1485 3185 1590 2650 1275 850 425
Ø4 2705 1355 3980 1990 2230 1115 2390 1195 1990 955 640 320
Ø5 2165 1085 3185 1590 1785 890 1910 955 1590 765 510 255
Ø6 1805 900 2655 1330 1485 745 1590 795 1330 640 425 210
Ø7 1545 775 2275 1140 1275 635 1365 680 1140 545 365 180
Ø8 1355 680 1990 995 1115 555 1195 600 995 480 320 160
Ø9 1205 600 1770 885 990 495 1060 530 885 425 285 140
Ø10 1085 540 1590 800 890 445 955 480 800 380 255 125
Ø11 985 490 1450 725 810 405 870 435 725 350 230 115
Ø12 900 450 1330 665 745 370 795 400 66 320 210 105
Ø13 835 420 1225 610 685 340 735 365 610 295 195 100
Ø14 775 385 1135 570 635 320 680 340 570 270 180 90
Ø15 720 360 1060 530 600 300 640 320 530 255 170 85
Ø16 680 340 995 500 560 280 600 300 500 240 160 80
Ø17 640 320 935 470 525 260 560 280 470 225 150 75
Ø18 600 300 885 440 495 250 530 265 440 210 140 70
Ø19 570 285 835 420 470 235 500 250 420 200 135 67
Ø20 540 270 795 400 445 225 480 240 400 190 130 65
Ø25 430 220 640 320 355 180 380 190 320 155 100 50
Ø30 360 180 530 265 300 150 320 160 265 130 85 45
Ø40 270 135 400 200 225 110 240 120 200 95 65 30
Ø50 220 110 320 160 175 90 190 95 160 75 50 25
Note
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