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Cutting Speeds Table #3 Chart

CuttingSpeedsTableNo3Chart.pdf

Table No. 3 – Tapping, MM of one (cast iron)
SIZE SERIES TAP    DRILL 75% RPM @             100 S.F.M. HP @    100 S.F.M. TORQUE IN-LBS.
6-32 UNC .1077 2775 .19 4.4
6-40 UNF .1138 2775 .12 2.9
8-32 UNC .1337 2335 .2 5.4
8-36 UNF .137 2335 .16 4.3
10-24 UNC .149 2016 .35 10.9
10-32 UNF .1597 2016 .2 6.4
12-24 UNC .175 1773 .36 12.6
12-28 UNF .1813 1773 .27 9.5
1/4-20 UNC .2115 1532 .51 21
1/4-28 UNF .2153 1532 .27 11
5/16-18 UNC .2589 1226 .64 33
5/16-24 UNF .2715 1226 .37 19.1
3/8-16 UNC .3144 1021 .82 50
3/8-24 UNF .334 1021 .38 23.3
7/16-14 UNC .3681 875.5 1.1 77
7/16-20 UNF .3890 875.5 .54 39
1/2-13 UNC .4251 766 1.25 102.6
1/2-20 UNF .4515 766 .55 45
9/16-12 UNC .4817 681 1.5 136
9/16-18 UNF .5089 681 .68 62.5
5/8-11 UNC .5365 613 1.75 180
5/8-18 UNF .5714 613 .68 70
3/4-10 UNC .6562 511 2.1 264
3/4-16 UNF .6894 511 .87 107
7/8-9 UNC .7667 438 2.7 382
7/8-14 UNF .8056 438 1.1 163
1″-8 UNC .8781 383 3.4 553
1-12 UNF .9192 383 1.5 253
1 1/8-7 UNC .9857 340 4.4 812
1 1/8-12 UNF 1.0442 340 1.6 286
1 1/4-7 UNC 1.1107 306 4.4 910
1 1/4-12 UNF 1.1692 306 1.6 320
1 3/8-6 UNC 1.2125 279 6 1356
1 3/8-12 UNF 1.2942 279 1.6 353
1 1/2-6 UNC 1.3375 255 6 1489
1 1/2-12 UNF 1.4192 255 1.6 387
1 3/4-5 UNC 1.5552 219 8.7 2496
2″-4 1/2 UNC 1.7836 191 10.7 3530
2 1/4-4 1/2 UNC 2.0336 170 10.8 4005
2 1/2-4 UNC 2.2565 153 13.7 5628
2 3/4-4 UNC 2.5065 139 13.8 6230
3″-4 UNC 2.7565 127 13.8 6831
3 1/4-4 UNC 3.0065 118 13.9 7433
3 1/2-4 UNC 3.2565 109 13.95 8035
3 3/4-4 UNC 3.5065 102 14 8636
4″-4 UNC 3.7565 96 14 9238

 

PIPE TAPS (TAPER)
The following H.P. and Torque specs are based on tapered hole. If hole is straight, multiply by (3) three.
1/8-27 NPT R 948 .54 36
1/4-18 NPT 7/16 706 1.17 103
3/8-18 NPT 37/64 565 1.69 133
1/2-14 NPT 23/32 455 2.00 277
3/4-14 NPT 59/64 364 2.06 356
1-11 1/2 NPT 1 5/32 291 3.07 663
1 1/4-11 1/2 NPT 1 1/2 231 3.48 950
1 1/2-11 1/2 NPT 1 47/64 201 4.08 1280
2-11 1/2 NPT 2 7/32 161 5.31 2080

Tap Drills Clearance Holes

TapDrillsClearanceHolesChart-1.pdf

Machine             Screw Size Threads Per Inch Minor Dia. Tap Drills Clearance Hole Drills
Aluminum, Brass & Plastics Stainless Steel, Steels & Iron All Materials
75% Thread  50% Thread Close Fit Free Fit
No. or Dia. Major   Dia. Drill Size Decimal Equiv. Drill Size Decimal Equiv. Drill Size Decimal Equiv. Drill Size Decimal Equiv.
0 .0600 80 .0447 3/64 .0469 55 .0520 52 .0635 50 .0700
1 .0730 64 .0538 53 .0595 1/16 .0625 48 .0760 46 .0810
72 .0560 53 .0595 52 .0635
2 .0860 56 .0641 50 .0700 49 .0730 43 .0890 41 .0960
64 .0668 50 .0700 48 .0760
3 .0990 48 .0734 47 .0785 44 .0860 37 .1040 35 .1100
56 .0771 45 .0820 43 .0890
4 .1120 40 .0813 43 .0890 41 .0960 32 .1160 30 .1285
48 .0864 42 .0935 40 .0980
5 .1250 40 .0943 38 .1015 7/64 .1094 30 .1285 29 .1360
44 .0971 37 .1040 35 .1100
6 .1380 32 .0997 36 .1065 32 .1160 27 .1440 25 .1495
40 .1073 33 .1130 31 .1200
8 .1640 32 .1257 29 .1360 27 .1440 18 .1695 16 .1770
36 .1299 29 .1360 26 .1470
10 .1900 24 .1389 25 .1495 20 .1610 9 .1960 7 .2010
32 .1517 21 .1590 18 .1695
12 .2160 24 .1649 16 .1770 12 .1890 2 .2210 1 .2280
28 .1722 14 .1820 10 .1935
32 .1777 13 .1850 9 .1960
1/4 .2500 20 .1887 7 .2010 7/32 .2188 F .2570 H .2660
28 .2062 3 .2130 1 .2280
32 .2117 7/32 .2188 1 .2280
5/16 .3125 18 .2443 F .2570 J .2770 P .3230 Q .3320
24 .2614 I .2720 9/32 .2812
32 .2742 9/32 .2812 L .2900
3/8 .3750 16 .2983 5/16 .3125 Q .3320 W .3860 X .3970
24 .3239 Q .3320 S .3480
32 .3367 11/32 .3438 T .3580
7/16 .4375 14 .3499 U .3680 25/64 .3906 29/64 .4531 15/32 .4687
20 .3762 25/64 .3906 13/32 .4062
28 .3937 Y .4040 Z .4130
1/2 .5000 13 .4056 27/64 .4219 29/64 .4531 33/64 .5156 17/32 .5312
20 .4387 29/64 .4531 15/32 .4688
28 .4562 15/32 .4688 15/32 .4688
9/16 .5625 12 .4603 31/64 .4844 33/64 .5156 37/64 .5781 19/32 .5938
18 .4943 33/64 .5156 17/32 .5312
24 .5114 33/64 .5156 17/32 .5312
5/8 .6250 11 .5135 17/32 .5312 9/16 .5625 41/64 .6406 21/32 .6562
18 .5568 37/64 .5781 19/32 .5938
24 .5739 37/64 .5781 19/32 .5938
11/16 .6875 24 .6364 41/64 .6406 21/32 .6562 45/64 .7031 23/32 .6562
3/4 .7500 10 .6273 21/32 .6562 11/16 .6875 49/64 .7656 25/32 .7812
16 .6733 11/16 .6875 45/64 .7031
20 .6887 45/64 .7031 23/32 .7188
13/16 .8125 20 .7512 49/64 .7656 25/32 .7812 53/64 .8281 27/32 .8438
7/8 .8750 9 .7387 49/64 .7656 51/64 .7969 57/64 .8906 29/32 .9062
14 .7874 13/16 .8125 53/64 .8281
20 .8137 53/64 .8281 27/32 .8438
15/16 .9375 20 .8762 57/64 .8906 29/32 .9062 61/64 .9531 31/32 .9688
1 1.000 8 .8466 7/8 .8750 59/64 .9219 1-1/64 1.0156 1-1/32 1.0313
12 .8978 15/16 .9375 61/64 .9531
20 .9387 61/64 .9531 31/32 .9688
1-1/16 1.0625 18 .9943 1.000 1.000 1-1/64 1.0156 1-5/64 1.0781 1-3/32 1.0938
1-1/8 1.1250 7 .9497 63/64 .9844 1-1/32 1.0313 1-9/64 1.1406 1-5/32 1.1562
12 1.0228 1-3/64 1.0469 1-5/64 1.0781
18 1.0568 1-1/16 1.0625 1-5/64 1.0781
1-3/16 1.1875 18 1.1193 1-1/8 1.1250 1-9/64 1.1406 1-13/64 1.2031 1-7/32 1.2188
1-1/4 1.2500 7 1.0747 1-7/64 1.1094 1-5/32 1.1562 1-17/64 1.2656 1-9/32 1.2812
12 1.1478 1-11/64 1.1719 1-13/64 1.2031
18 1.1818 1-3/16 1.1875 1-13/64 1.2031
1-5/16 1.3125 18 1.2443 1-1/4 1.2500 1-17/64 1.2656 1-21/64 1.3281 1-11/32 1.3438
1-3/8 1.3750 6 1.1705 1-7/32 1.2187 1-17/64 1.2656 1-25/64 1.3906 1-13/32 1.4062
12 1.2728 1-19/64 1.2969 1-21/64 1.3281
18 1.3068 1-5/16 1.3125 1-21/64 1.3281
1-7/16 1.4375 18 1.3693 1-3/8 1.3750 1-25/64 1.3906 1-29/64 1.4531 1-15/32 1.4688
1-1/2 1.500 6 1.2955 1-11/32 1.3437 1-25/64 1.3906 1-33/64 1.5156 1-17/32 1.5312
12 1.3978 1-27/64 1.4219 1-7/16 1.4375
18 1.4318 1-7/16 1.4375 1-29/64 1.4531
1-9/16 1.5625 18 1.4943 1-12 1.500 1-33/64 1.5156 1-37/64 1.5781 1-19/32 1.5938
1-5/8 1.625 18 1.5568 1-9/16 1.5625 1-37/64 1.5781 1-41/64 1.6406 1-21/32 1.6562
1-11/16 1.6875 18 1.6193 1-5/8 1.6250 1-41/64 1.6406 1-45/64 1.7031 1-23/32 1.7188
1-3/4 1.750 5 1.5046 1-9/16 1.5625 1-5/8 1.6250 1-49/64 1.7659 1-25/32 1.7812

Torque Conversion Chart Newton Meters to Inch Pounds

NewtonMetersInchPounds.pdf

Newton Meters (N-m) Inch Pounds (in-lbs) Newton Meters (N-m) Inch Pounds (in-lbs) Newton Meters (N-m) Inch Pounds (in-lbs) Newton Meters (N-m) Inch Pounds (in-lbs) Newton Meters (N-m) Inch Pounds (in-lbs)
1 = 8.85 32 = 283.22 63 = 557.6 94 = 831.97 125 = 1106.34
2 = 17.7 33 = 292.07 64 = 566.45 95 = 840.82 126 = 1115.19
3 = 26.55 34 = 300.93 65 = 575.3 96 = 849.67 127 = 1124.04
4 = 35.4 35 = 309.78 66 = 584.15 97 = 858.52 128 = 1132.9
5 = 44.25 36 = 318.63 67 = 593 98 = 867.37 129 = 1141.75
6 = 53.1 37 = 327.48 68 = 601.85 99 = 876.22 130 = 1150.6
7 = 61.96 38 = 336.33 69 = 610.7 100 = 885.07 131 = 1159.45
8 = 70.81 39 = 345.18 70 = 619.55 101 = 893.93 132 = 1168.3
9 = 79.66 40 = 354.03 71 = 628.4 102 = 902.78 133 = 1177.15
10 = 88.51 41 = 362.88 72 = 637.25 103 = 911.63 134 = 1186
11 = 97.36 42 = 371.73 73 = 646.1 104 = 920.48 135 = 1194.85
12 = 106.21 43 = 380.58 74 = 654.96 105 = 929.33 136 = 1203.7
13 = 115.06 44 = 389.43 75 = 663.81 106 = 938.18 137 = 1212.55
14 = 123.91 45 = 398.28 76 = 672.66 107 = 947.03 138 = 1221.4
15 = 132.76 46 = 407.13 77 = 681.51 108 = 955.88 139 = 1230.25
16 = 141.61 47 = 415.99 78 = 690.36 109 = 964.73 140 = 1239.1
17 = 150.46 48 = 424.84 79 = 699.21 110 = 973.58 141 = 1247.96
18 = 159.31 49 = 433.69 80 = 708.06 111 = 982.43 142 = 1256.81
19 = 168.16 50 = 442.54 81 = 716.91 112 = 991.28 143 = 1265.66
20 = 177.01 51 = 451.39 82 = 725.76 113 = 1000.13 144 = 1274.51
21 = 185.87 52 = 460.24 83 = 734.61 114 = 1008.99 145 = 1283.36
22 = 194.72 53 = 469.09 84 = 743.46 115 = 1017.84 146 = 1292.21
23 = 203.57 54 = 477.94 85 = 752.31 116 = 1026.69 147 = 1301.06
24 = 212.42 55 = 486.79 86 = 761.16 117 = 1035.54 148 = 1309.91
25 = 221.27 56 = 495.64 87 = 770.01 118 = 1044.39 149 = 1318.76
26 = 230.12 57 = 504.49 88 = 778.87 119 = 1053.24 150 = 1327.61
27 = 238.97 58 = 513.34 89 = 787.72 120 = 1062.09 151 = 1336.46
28 = 247.82 59 = 522.19 90 = 796.57 121 = 1070.94 152 = 1345.31
29 = 256.67 60 = 531.04 91 = 805.42 122 = 1079.79 153 = 1354.16
30 = 265.52 61 = 539.9 92 = 814.27 123 = 1088.64 154 = 1363.01
31 = 274.37 62 = 548.75 93 = 823.12 124 = 1097.49 155 = 1371.87
Conversion Formula: Newton Meters x 8.85074579 = Inch Pounds