A-A-51186B
2.3 Size. Unless otherwise specified the size shall be one of the sizes listed in tables I and II (see 7.3(d)). If a rotary file is to be furnished with a shank diameter or cutter head diameter and length different from those listed in tables I and II, the shank diameter and cutter head diameter and head length shall be specified in the acquisition order (see 7.3(e)).
TABLE I. Type I, high speed steel rotary files, sizes, and characteristics.
Size |
Characteristics |
||
Shank diameter (inch) |
Cutter head diameter (inch) |
Cutter head length (inch) |
|
1 |
1/4 |
1/4 |
5/8 |
2 |
1/4 |
1/4 |
3/4 |
3 |
1/4 |
5/16 |
7/8 |
4 |
1/4 |
5/16 |
1 |
5 |
1/4 |
3/8 |
1 |
6 |
1/4 |
1/2 |
1-1/8 |
7 |
1/4 |
5/8 |
1-5/16 |
8 |
1/4 |
3/4 |
1-1/2 |
TABLE II. Type II, tungsten carbide rotary files, sizes, and characteristics.
Size |
Characteristics |
||
Shank diameter (inch) |
Cutter head diameter (inch) |
Cutter head length (inch) |
|
1 |
1/8 |
1/8 |
1/2 |
2 |
1/4 |
1/4 |
5/8 |
3 |
1/4 |
5/16 |
7/8 |
4 |
1/4 |
3/8 |
1-1/16 |
5 |
1/4 |
1/2 |
1-1/8 |
6 |
3/8 |
1/2 |
1-1/8 |
7 |
1/4 |
5/8 |
1-5/16 |
8 |
3/8 |
5/8 |
1-5/16 |
9 |
1/4 |
3/4 |
1-1/2 |
10 |
3/8 |
3/4 |
1-1/2 |
2
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