Now In: Tools → Taps → Spiral Fluted Taps
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Spiral Fluted Taps are recommended for deep blind hole tapping. They are primarily designed for use in such materials as brass, copper, aluminum, magnesium and die cast metals. Successful results may also be obtained in free machining mild steel applications.
- Fast Spiral – 52° Helix Angle
- Slow Spiral – 30° Helix Angle
| FRACTIONAL SIZES |
| Size |
Threads
Per
Inch |
Thread
Limits |
No. of
Flutes |
EDP No. |
Fast
Spiral |
Slow
Spiral |
| 1/4* |
20 |
H3 |
3 |
184997 |
184500 |
| 1/4 |
20 |
H5 |
3 |
184999 |
— |
| 1/4 |
28 |
H3 |
3 |
185003 |
184504 |
| 5/16 |
18 |
H3 |
3 |
184009 |
184508 |
| 5/16 |
24 |
H3 |
3 |
184015 |
184510 |
| 3/8* |
16 |
H3 |
3 |
185021 |
184512 |
| 3/8 |
24 |
H3 |
3 |
184028 |
184514 |
| 3/8 |
24 |
H4 |
3 |
184030 |
— |
| 7/16 |
14 |
H3 |
3 |
184034 |
184516 |
| 7/16 |
20 |
H3 |
3 |
184040 |
184518 |
| 1/2 |
13 |
H3 |
3 |
184046 |
184520 |
| 1/2 |
20 |
H3 |
3 |
184052 |
184522 |
| 3/4 |
10 |
H3 |
4 |
184080 |
| *Available in bottoming chamfer
| MACHINE SCREW SIZES |
| Size |
Threads
Per
Inch |
Thread
Limits |
No. of
Flutes |
EDP No. |
Fast
Spiral |
Slow
Spiral |
| 3** |
48 |
H2 |
2 |
184950 |
— |
| 4 |
40 |
H2 |
2 |
184952 |
184488 |
| 5 |
40 |
H2 |
2 |
184955 |
184490 |
| 6 |
32 |
H3 |
2 |
184962 |
184492 |
| 8 |
32 |
H3 |
3 |
184971 |
184494 |
| 10 |
24 |
H3 |
3 |
184980 |
184496 |
| 10 |
32 |
H3 |
3 |
184986 |
184498 |
| 12 |
24 |
H3 |
3 |
184990 |
— | Available in bottoming chamfer
Metric Plug & Bottom Available
**Bottom Only
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Additional Product info
Our Catalog Page: 84
