Machinery's Handbook, 31st Edition
Reamers 925 American National Standard Straight-Shank Rose Chucking and Chucking Reamers— Straight and Helical Flutes, Fractional Sizes ANSI/ASME B94.2-1995 (R2015)
D
B
B
A
Reamer Diameter
Shank Dia. D
Length Overall A
Flute Length B
No. of Flutes
Chucking
Rose Chucking
Max. 0.0455 0.0585 0.0720 0.0880 0.1030 0.1190 0.1350 0.1510 0.1645 0.1805 0.1945 0.2075 0.2265 0.2405 0.2485 0.2485 0.2792 0.2792 0.2792 0.2792 0.3105 0.3105 0.3105 0.3105 0.3730 0.3730 0.3730 0.3730 0.4355 0.4355 0.4355 0.4355 0.4355 0.5620 0.5620 0.5620 0.5620 0.6245 0.6245 0.6245 0.6245 0.7495 0.7495 0.7495 0.7495 0.8745 0.8745 0.8745 0.9995 0.9995 0.9995 0.9995 1.2495 1.2495
Min. 0.0445 0.0575 0.0710 0.0870 0.1020 0.1180 0.1340 0.1500 0.1635 0.1795 0.1935 0.2065 0.2255 0.2395 0.2475 0.2475 0.2782 0.2782 0.2782 0.2782 0.3095 0.3095 0.3095 0.3095 0.3720 0.3720 0.3720 0.3720 0.4345 0.4345 0.4345 0.4345 0.4345 0.5605 0.5605 0.5605 0.5605 0.6230 0.6230 0.6230 0.6230 0.7480 0.7480 0.7480 0.7480 0.8730 0.8730 0.8730 0.9980 0.9980 0.9980 0.9980 1.2480 1.2480
… … … … … 1 ⁄ 8 a … … … … … … 1 ⁄ 4 a … … 3 ⁄ 16 a … … … … 3 ⁄ 8 a … … 5 ⁄ 16 a … … … 7 ⁄ 16 a … 1 ⁄ 2 a … …
4 4 4 4
2 1 ⁄ 2 2 1 ⁄ 2
1 ⁄ 2 1 ⁄ 2 3 ⁄ 4 3 ⁄ 4 7 ⁄ 8 7 ⁄ 8
3 ⁄ 64 a
1 ⁄ 16 5 ⁄ 64 3 ⁄ 32 7 ⁄ 64
3 3
4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 4 to 6 6 to 8 6 to 8 6 to 8 6 to 8 6 to 8 6 to 8 6 to 8 6 to 8 6 to 8 6 to 8 6 to 8 6 to 8
3 1 ⁄ 2 3 1 ⁄ 2
1 ⁄ 8
4 4
1 1
9 ⁄ 64 5 ⁄ 32 11 ⁄ 64 3 ⁄ 16 13 ⁄ 64 7 ⁄ 32 15 ⁄ 64 17 ⁄ 64 9 ⁄ 32 19 ⁄ 64 5 ⁄ 16 21 ⁄ 64 11 ⁄ 32 23 ⁄ 64 1 ⁄ 4 25 ⁄ 64 13 ⁄ 32 27 ⁄ 64 29 ⁄ 64 15 ⁄ 32 31 ⁄ 64 7 ⁄ 16 17 ⁄ 32 9 ⁄ 16 19 ⁄ 32 21 ⁄ 32 11 ⁄ 16 23 ⁄ 32 3 ⁄ 8 1 ⁄ 2 5 ⁄ 8 25 ⁄ 32 13 ⁄ 16 27 ⁄ 32 29 ⁄ 32 15 ⁄ 16 31 ⁄ 32 7 ⁄ 8 3 ⁄ 4
1 1 ⁄ 8 1 1 ⁄ 8 1 1 ⁄ 4 1 1 ⁄ 4 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 1 ⁄ 2 1 3 ⁄ 4 1 3 ⁄ 4 1 3 ⁄ 4 1 3 ⁄ 4 1 3 ⁄ 4 1 3 ⁄ 4 1 3 ⁄ 4 1 3 ⁄ 4
4 1 ⁄ 2 4 1 ⁄ 2
5 5 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 8 8 8 8 8 9 9 9 9
2 2 2 2 2
… … … … … … … … … … … … … … … … … … … … … …
2 1 ⁄ 4 2 1 ⁄ 4 2 1 ⁄ 4 2 1 ⁄ 4 2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2 2 5 ⁄ 8 2 5 ⁄ 8 2 5 ⁄ 8 2 5 ⁄ 8 2 3 ⁄ 4 2 3 ⁄ 4 2 7 ⁄ 8 2 7 ⁄ 8 3 1 ⁄ 4 3 1 ⁄ 4 3 1 ⁄ 2 3 3
6 to 8 6 to 8 8 to 10 8 to 10 8 to 10 8 to 10 8 to 10 8 to 10 8 to 10 8 to 12 8 to 12 8 to 12 8 to 12 8 to 12 10 to 12 10 to 12 10 to 12 10 to 12
9 1 ⁄ 2 9 1 ⁄ 2 9 1 ⁄ 2 9 1 ⁄ 2
10 10 10 10
1
10 1 ⁄ 2 10 1 ⁄ 2
1 1 ⁄ 16 1 1 ⁄ 8 1 3 ⁄ 16 1 1 ⁄ 4 1 5 ⁄ 16 b 1 3 ⁄ 8 1 7 ⁄ 16 b 1 1 ⁄ 2
11 11
11 1 ⁄ 2 11 1 ⁄ 2
12 12
12 1 ⁄ 2
a Reamer with straight flutes is standard only. b Reamer with helical flutes is standard only.
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