Page 270 - Sổ Tay Chuyên Ngành Cơ Khí

Sô theo phãn số và chữ kích C0 mũi khoan theo sô thập phân
Cỡ mũi Số thập Cỡ mũi Số thập Cở mũi Số thập Cỡ mũi Sô thập
khoan phân khoan phán khoan phân khoan phân
80 .0135 42 .0935 13/64 .2031 X .3970
79 ,0145 3/32 .0938 6 .2040 Y .4040
1/64 .0156 41 .0960 5 .2055 13/32 .4062
78 .0160 40 .0980 4 .2090 z .4130
77 .0180 39 .0995 3 .2130 2X/64 .4219
76 .0200 38 .1015 7/32 .2188 7/16 .4375
75 .0210 37 .1040 2 .2210 29/64 .4531
74 .0225 36 .1065 1 .2280 15/32 .4688
73 .0240 7/64 .1094 A .2340 31/64 .4844
72 .0250 35 ,1100 15/64 ,2344 1/2 .5000
71 .0260 34 .1110 B .2380 33/64 .5156
70 .0280 33 .1130 c .2420 17/32 .5312
69 .0292 32 .1160 D .2460 35/64 .5469
68 .0310 31 .1200 1/4 .2500 9/16 .5625
1/32 .0312 1/8 .1250 E .2500 37/64 .5781
67 .0320 30 .1285 F .2570 19/32 .5938
66 .0330 29 .1360 G .2610 39/64 .6094
65 .0350 28 .1405 17/64 .2656 5/8 .6250
64 .0360 9/64 .1406
63 .0370 27 .1440 H .2660 41/64 .6406
62 .0380 26 .1470 I .2720 21/32 .6562
61 .0390 25 .1495 J .2770 43/64 .6719
60 .0400 24 .1520 K .2810 1/16 .6875
59 .0410 23 .1540 9/32 2812 45/64 .7031
58 .0420 5/32 .1562 L .2900 23/32 .7188
57 ,0430 22 .1570 M .2950 47/64 .7344
56 .0465 21 .1590 19/64 .2969 3/4 7500
3/64 .0469 20 .1610 N .3020 49/64 .7656
55 .0520 19 .1660 5/16 ,3125 25/32 .7812
54 .0550 18 .1695 0 .3160 51/64 .7969
53 .0595 11/64 .1719 p .3230 13/64 .8125
1/16 .0625 17 .1730 21/64 .3281 53/64 .8281
52 .0635 16 .1770 Q .3320 27/32 .8438
51 .0670 15 J800 R .3390 55/64 .8594
50 .0700 14 .1820 11/32 .3438 7/8 .8750
49 .0730 13 ,1850 s .3480 57/64 .8906
48 .0760 3/16 .1875 T .3580 29/32 .9062
5/64 .0781 12 .1890 23/64 .3594 59/64 .9219
47 ,0785 11 .1910 u ,3680 15/16 .9375
46 .0810 10 .1935 3/8 .3750 51/64 .9531
45 .0820 9 .1960 V .3770 31/32 .9688
44 0860 8 .1990 X 3970 63/64 .9844
43 .0890 7 .2010 25/64 .3096 1 1.000

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