A-A-51155C
2.3 Size. The size to be furnished shall be as specified (see 7.3(d)). Unless otherwise specified (see 7.3(e)), the cutter head diameter and shank diameter of the type I and type II rotary files shall conform to tables I and II, respectively.
TABLE I. Type I, high speed steel rotary files, sizes and characteristics.
|
Size |
Characteristics |
||
Shank diameter (inch) |
Cutter head dimensions (inch) |
||
Diameter |
Head length |
||
1 |
1/8 |
3/16 |
5/16 |
2 |
1/8 |
1/4 |
5/16 |
3 |
1/8 |
1/4 |
1/2 |
4 |
1/4 |
3/16 |
5/16 |
5 |
1/4 |
1/4 |
1/2 |
6 |
1/4 |
3/8 |
5/8 |
7 |
1/4 |
1/2 |
3/4 |
8 |
1/4 |
1/2 |
7/8 |
9 |
1/4 |
5/8 |
1 |
TABLE II. Type II, tungsten carbide rotary files, sizes and characteristics.
|
Size |
Characteristics |
||
Shank diameter (inch) |
Cutter head dimensions (inch) |
||
Diameter |
Head length |
||
1 |
1/8 |
1/8 |
3/16 |
2 |
1/8 |
1/8 |
7/32 |
3 |
1/8 |
1/4 |
3/8 |
4 |
1/4 |
1/4 |
3/8 |
5 |
1/4 |
3/8 |
5/8 |
6 |
1/4 |
1/2 |
3/4 |
7 |
1/4 |
1/2 |
7/8 |
8 |
1/4 |
5/8 |
1 |
9 |
1/4 |
3/4 |
1 |
2
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