Dia.	(V) Cutting Speed m/min
D	20	30	40	50	60	70	80	90	>>100 -
0.2	31,850	47,770	63,690	79,620	95,540	111,460	127,390	143,310
0.3	21,230	31,850	42,460	53,080	63,690	74,310	84,930	95,540
0.4	15,920	23,890	31,850	39,810	47,770	55,730	63,690	71,660
0.5	12,740	19,110	25,480	31,850	38,220	44,590	50,960	57,320
0.6	10,620	15,920	21,230	26,540	31,850	37,150	42,460	47,770
0.7	9,100	13,650	18,200	22,750	27,300	31,850	36,400	40,950
0.8	7,960	11,940	15,920	19,900	23,890	27,870	31,850	35,830
0.9	7,080	10,620	14,150	17,690	21,230	24,770	28,310	31,850
1	6,370	9,550	12,740	15,920	19,110	22,290	25,480	28,660
1.4	4,550	6,820	9,100	11,370	13,650	15,920	18,200	20,470
1.6	3,980	5,970	7,960	9,950	11,940	13,390	15,920	17,910
1.8	3,540	5,310	7,080	8,850	10,620	12,380	14,150	15,920
2	3,180	4,780	6,370	7,960	9,550	11,150	12,740	14,330
2.2	2,900	4,340	5,790	7,240	8,690	10,130	11,580	13,030
2.4	2,650	3,980	5,310	6,630	7,960	9,290	10,620	11,940
2.6	2,450	3,670	4,900	6,120	7,350	8,570	9,800	11,020
2.8	2,270	3,410	4,550	5,690	6,820	7,960	9,100	10,240
3	2,120	3,180	4,250	5,310	6,370	7,430	8,490	9,550
4	1,590	2,390	3,180	3,980	4,780	5,570	6,370	7,170
5	1,270	1,910	2,550	3,180	3,820	4,460	5,100	5,730
6	1,060	1,590	2,120	2,650	3,180	3,720	4,250	4,780
7	910	1,360	1,820	2,270	2,730	3,180	3,640	4,090
8	800	1,190	1,590	1,990	2,390	2,790	3,180	3,580
9	710	1,060	1,420	1,770	2,120	2,480	2,830	3,180
10	640	960	1,270	1,590	1,910	2,230	2,550	2,870
11	580	870	1,160	1,450	1,740	2,030	2,320	2,610
12	530	800	1,060	1,330	1,590	1,860	2,120	2,390
13	490	730	980	1,220	1,470	1,710	1,960	2,200
14	450	680	910	1,140	1,360	1,590	1,820	2,050
15	420	640	850	1,060	1,270	1,490	1,700	1,910
16	400	600	800	1,000	1,190	1,390	1,590	1,790
17	370	560	750	940	1,120	1,310	1,500	1,690
18	350	530	710	880	1,060	1,240	1,420	1,590
19	340	500	670	840	1,010	1,170	1,340	1,510
20	320	480	640	800	960	1,110	1,270	1,430
21	300	450	610	760	910	1,060	1,210	1,360
22	290	430	580	720	870	1,010	1,160	1,300
23	280	420	550	690	830	970	1,100	1,250
24	270	400	530	660	800	930	1,060	1,190
25	250	380	510	640	760	890	1,020	1,150
26	240	370	490	610	730	860	980	1,100
27	240	350	470	590	710	830	940	1,060
28	230	340	450	570	680	800	910	1,020
29	220	330	440	550	660	770	880	990
30	210	320	420	530	640	740	850	960

Dia.	(V) Cutting Speed m/min
D	>>- 90	100	120	140	150	180	200	250	300
0.2		159,240	191,080	222,930	238,850	286,620	318,470	398,090	477,710
0.3		106,160	127,390	148,620	159,240	191,080	212,310	265,390	318,470
0.4		79,620	95,540	111,460	119,430	143,310	159,240	199,040	238,850
0.5		63,690	76,430	89,170	95,540	114,650	127,390	159,240	191,080
0.6		53,080	63,690	74,310	79,620	95,540	106,160	132,700	159,240
0.7		45,500	54,590	63,690	68,240	81,890	90,990	113,740	136,490
0.8		39,810	47,770	55,730	59,710	71,660	79,620	99,520	119,430
0.9		35,390	42,640	49,540	53,080	63,690	70,770	88,460	106,160
1		31,850	38,220	44,590	47,770	57,320	63,390	79,620	95,540
1.4		22,750	27,300	31,850	34,120	40,950	45,500	56,870	68,240
1.6		19,900	23,890	27,870	29,860	35,830	39,810	49,760	59,710
1.8		17,690	21,230	24,770	26,540	31,850	35,390	44,230	53,080
2		15,920	19,110	22,290	23,890	28,660	31,850	39,810	47,770
2.2		14,480	17,370	20,270	21,710	26,060	28,950	36,190	43,430
2.4		13,270	15,920	18,580	19,900	23,890	26,540	33,170	39,810
2.6		12,250	14,700	17,150	18,370	22,050	24,500	30,620	36,750
2.8		11,370	13,650	15,920	17,060	20,470	22,750	28,430	34,120
3		10,620	12,740	14,860	15,920	19,110	21,230	26,540	31,850
4		7,960	9,550	11,150	11,940	14,330	15,920	19,900	23,890
5		6,370	7,640	8,920	9,550	11,460	12,740	15,920	19,110
6		5,310	6,370	7,430	7,960	9,550	10,620	13,270	15,920
7		4,550	5,460	6,370	6,820	8,190	9,100	11,370	13,650
8		3,980	4,780	5,570	5,970	7,170	7,960	9,950	11,940
9		3,540	4,250	4,950	5,310	6,370	7,080	8,850	10,620
10		3,180	3,820	4,460	4,780	5,730	6,370	7,960	9,550
11		2,900	3,470	4,050	4,340	5,210	5,790	7,240	8,690
12		2,650	3,180	3,720	3,980	4,780	5,310	6,630	7,960
13		2,450	2,940	3,430	3,670	4,410	4,900	6,120	7,350
14		2,270	2,730	3,180	3,410	4,090	4,550	5,690	6,820
15		2,120	2,550	2,970	3,180	3,820	4,250	5,310	6,370
16		1,990	2,390	2,790	2,990	3,580	3,980	4,980	5,970
17		1,870	2,250	2,620	2,810	3,370	3,750	4,680	5,620
18		1,770	2,120	2,480	2,650	3,180	3,540	4,420	5,310
19		1,680	2,020	2,350	2,510	3,020	3,350	4,190	5,030
20		1,590	1,910	2,230	2,390	2,870	3,180	3,980	4,780
21		1,520	1,820	2,120	2,270	2,730	3,030	3,790	4,550
22		1,450	1,740	2,030	2,170	2,610	2,900	3,620	4,340
23		1,380	1,660	1,940	2,080	2,490	2,770	3,460	4,150
24		1,330	1,590	1,860	1,990	2,390	2,650	3,320	3,980
25		1,270	1,530	1,780	1,910	2,290	2,550	3,180	3,820
26		1,220	1,470	1,710	1,840	2,200	2,450	3,060	3,670
27		1,180	1,420	1,650	1,770	2,120	2,360	2,950	3,540
28		1,140	1,360	1,590	1,710	2,050	2,270	2,840	3,410
29		1,100	1,320	1,540	1,650	1,980	2,200	2,750	3,290
30		1,060	1,270	1,490	1,590	1,910	2,120	2,650	3,180