Industrial Catalog

Reamer Cutting Speeds

Note: These speeds are based on 2/3 speeds rated for drilling.

Fractional Sizes

Feet per Minute

10'

20'

30'

40'

50'

60'

70'

80'

90'

100'

110'

120'

130'

140'

150'

Drill Size Fraction Decimal

Revolutions per Minute

.0625 .1250 .1875 .2500 .3125 .3750 .4375 .5000 .6250 .7500 .8750

403 202 135 101

807 403 269 202 161 135 116 101

1210

1614

2017 1008

2420 1210

2823 1412

3227 1614 1076

3663 1815 1210

4033 2017 1344 1008

4437 2218 1479 1109

4840 2420 1614 1210

5244 2622 1748 1311 1049

5647 6050 2823 3025 1882 2017 1412 1513 1129 1210

1/16

605 403 302 242 202 173 151 121 101

807 538 403 323 269 230 202 161 134 116 101

1/8

673 504 403 336 288 252 202 168 144 126 112 101

807 605 484 403 346 302 242 202 173 151 135 121 110 101

941 706 565 471 403 353 282 236 202 176 157 141 128 117 109 101

3/16

807 645 538 461 403 323 269 230 202 180 161 147 135 124 116 108 101

908 726 605 519 454 363 302 259 227 202 182 165 151 140 129 121 114 101 972 954 937 924 908 882 869 853 834 819 807 782 770 752 718 703 683 669 652 633 616 602 588 571 562 549 90 83 76 90'

1/4

81 67 57 50 40 34 29 25 22 20 18 17 16 15 13 13 11 10

807 673 576 504 403 336 288 252 224 202 183 168 155 144 135 126 112 101

888 739 634 554 444 370 317 277 246 222 202 185 171 158 148 139 123 111 101

968 807 692 605 484 403 346 302 269 242 220 202 186 173 161 151 135 121 110 101

5/16

874 749 655 524 437 375 328 291 262 238 218 202 187 175 164 146 131 119 110

941 807 706 565 471 403 353 314 282 257 236 217 202 188 176 157 141 128 117

1008

3/8

865 756 605 504 432 378 336 302 275 252 233 216 202 189 168 151 137 126

7/16

1/2 5/8 3/4 7/8

81 67 57 50 45 40 37 34 31 29 27 25 22 20 18 17

86 76 67 61 55 50 46 43 40 38 34 30 28 25

1.0000 1.1250 1.2500 1.3750 1.5000 1.6250 1.7500 1.8750 2.0000 2.2500 2.5000 2.7500 3.0000

1

90 81 73 67 62 57 53 50 45 40 37 34

1-1/8 1-1/4 1-3/8 1-1/2 1-5/8 1-3/4 1-7/8 2-1/4 2-1/2 2-3/4 2

92 84 77 72 67 63 56 50 46 42

93 86 81 76 67 61 55 50

94 88 79 71 64 59

90 81 73 67

Reamer Cutting Speeds

9 9

92 84

92

3

Note: These speeds are based on 2/3 speeds rated for drilling.

Drill Size Letter Decimal Letter Sizes

Feet per Minute

10'

20'

30'

40'

50'

60'

70'

80'

100'

110'

120'

130'

140'

150'

Revolutions per Minute

.2340 .2380 .2420 .2460 .2500 .2570 .2610 .2660 .2720 .2770 .2810 .2900 .2950 .3020 .3160 .3230 .3320 .3390 .3480 .3580 .3680 .3770 .3860 .3970 .4040 .4130

108 106 104 102 101

215 212 209 205 202 196 193 189 185 182 180 174 171 167 160 156 152 149 145 141 137 134 131 127 125 122

324 318 312 308 302 294 290 284 278 273 269 261 257 251 240 234 228 223 217 211 205 201 196 191 187 183

432 424 416 411 403 392 386 379 371 364 359 348 342 334 319 312 304 298 290 281 274 267 261 254 249 244

540 530 521 513 504 490 483 474 463 455 449 435 428 418 399 391 380 372 362 352 343 335 327 317 312 305

648 636 625 616 605 589 579 569 556 546 538 521 513 501 479 469 455 446 435 422 411 401 392 380 374 366

756 742 729 719 706 686 676 663 649 637 628 609 599 585 558 546 531 521 508 492 480 468 457 444 437 427

864 847 833 822 807 785 772 758 741 728 717 696 684 668 638 624 607 595 579 563 548 535 523 508 499 488

1080 1059 1041 1027 1008

1185 1165 1146 1127 1109 1079 1063 1043 1020 1001

1293 1271 1250 1230 1210 1177 1159 1137 1112 1092 1076 1043 1026 1002

1401 1377 1354 1332 1299 1275 1256 1232 1205 1183 1166 1130 1111 1085 1037 1014

1508 1616 1483 1589 1459 1563 1435 1537 1412 1513 1373 1471 1352 1449 1327 1422 1298 1390 1274 1365 1256 1346 1217 1304 1197 1282 1169 1252 1117 1197 1094 1171 1063 1139 1041 1115 1014 1086

A B C D E F G H K L M N O P Q R S T U V W I J

98 96 95 92 91 90 87 85 83 80 78 76 75 73 71 69 67 65 63 63 61

981 966 948 927 910 897 869 855 835 798 781 759 744 725 704 685 669 653 635 624 611

987 956 940 918 878 859 836 818 797 774 754 735 718 698 686 671

957 937 913 894 869 845 822 805 784 762 749 733

987 967 942 915 890 869 849 826 811 793

986 959 936 914 889 874 855

1056 1028 1003

979 952 936 915

X Y Z

7

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