Machinery's Handbook, 31st Edition
Reamers 923 Straight-Shank Chucking Reamers—Straight Flutes, Wire Gage Sizes ANSI/ASME B94.2-1995 (R2015)
D
B
A
Reamer Diameter
Shank Dia. D
Reamer Diameter
Shank Dia. D
Lgth. of Flute B
Lgth. of Flute B
Lgth. Overall A
No. of Flutes
No. of Flutes
Lgth. Overall A
Wire Gage Inch 60 .0400 59 .0410 58 .0420 57 .0430 56 .0465 55 .0520 54 .0550 53 .0595 52 .0635 51 .0670 50 .0700 38 .1015 37 .1040 36 .1065 35 .1100 34 .1110 33 .1130 32 .1160 31 .1200 30 .1285 29 .1360 28 .1405 27 .1440 26 .1470 25 .1495 24 .1520 23 .1540 22 .1570 21 .1590 20 .1610
Wire Gage Inch 49 .0730 48 .0760 47 .0785 46 .0810 45 .0820 44 .0860 43 .0890 42 .0935 41 .0960 40 .0980 39 .0995 19 .1660 18 .1695 17 .1730 16 .1770 15 .1800 14 .1820 13 .1850 12 .1890 11 .1910 10 .1935
Max. Min. .0390 .0380 .0390 .0380 .0390 .0380 .0390 .0380 .0455 .0445 .0510 .0500 .0510 .0500 .0585 .0575 .0585 .0575 .0660 .0650 .0660 .0650
Max. Min. .0660 .0650 .0720 .0710 .0720 .0710 .0771 .0701 .0771 .0761 .0810 .0800 .0810 .0800 .0880 .0870
4 4 4 4 4 4 4 4 4 4 4
3 3 3 3 3 3 3 3
4 4 4 4 4 4 4 4
2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2
1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 1 ⁄ 2 3 ⁄ 4 3 ⁄ 4 7 ⁄ 8 7 ⁄ 8 7 ⁄ 8 7 ⁄ 8 7 ⁄ 8 7 ⁄ 8 7 ⁄ 8 7 ⁄ 8 7 ⁄ 8
3 ⁄ 4
3 ⁄ 4 3 ⁄ 4 3 ⁄ 4 3 ⁄ 4 3 ⁄ 4 3 ⁄ 4 3 ⁄ 4 7 ⁄ 8 7 ⁄ 8 7 ⁄ 8
.0928 .0918 4 to 6 .0928 .0918 4 to 6 .0928 .0918 4 to 6 .1595 .1585 4 to 6 .1595 .1585 4 to 6 .1645 .1635 4 to 6 .1704 .1694 4 to 6 .1755 .1745 4 to 6 .1755 .1745 4 to 6 .1805 .1795 4 to 6 .1805 .1795 4 to 6 .1860 .1850 4 to 6 .1860 .1850 4 to 6 .1895 .1885 4 to 6 .1895 .1885 4 to 6 .1945 .1935 4 to 6 .1945 .1935 4 to 6 .2016 .2006 4 to 6 .2016 .2006 4 to 6 .2075 .2065 4 to 6 .2173 .2163 4 to 6 .2173 .2163 4 to 6
3 1 ⁄ 2 3 1 ⁄ 2 3 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2 4 1 ⁄ 2
3 3
.0950 .0940 4 to 6 .0950 .0940 4 to 6 .1030 .1020 4 to 6 .1030 .1020 4 to 6 .1055 .1045 4 to 6 .1055 .1045 4 to 6 .1120 .1110 4 to 6 .1120 .1110 4 to 6 .1190 .1180 4 to 6 .1275 .1265 4 to 6 .1350 .1340 4 to 6 .1350 .1340 4 to 6 .1430 .1420 4 to 6 .1430 .1420 4 to 6 .1460 .1450 4 to 6 .1460 .1450 4 to 6 .1510 .1500 4 to 6 .1530 .1520 4 to 6 .1530 .1520 4 to 6
1 1 ⁄ 8 1 1 ⁄ 8 1 1 ⁄ 8 1 1 ⁄ 8 1 1 ⁄ 8 1 1 ⁄ 8 1 1 ⁄ 8 1 1 ⁄ 8 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 2 1 1 ⁄ 2
3 1 ⁄ 2 3 1 ⁄ 2 3 1 ⁄ 2 3 1 ⁄ 2 3 1 ⁄ 2 3 1 ⁄ 2 3 1 ⁄ 2 3 1 ⁄ 2 3 1 ⁄ 2
5 5 5 5 5 5 5 5 5
4 4 4 4 4 4 4 4
1 1 1 1 1 1 1 1
9 8 7 6 5 4 3
.1960 .1990 .2010 .2040 .2055 .2090 .2130
2 2210 6
1 1 ⁄ 8 1 1 ⁄ 8
4 1 ⁄ 2 4 1 ⁄ 2
1
.2280
6
All dimensions in inches. Material is high-speed steel. Tolerances: On diameter of reamer, plus .0001 to plus .0004 inch. On overall length A , plus or minus 1 ⁄ 16 inch. On length of flute B , plus or minus 1 ⁄ 16 inch.
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