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T391 • Inch • Form E Bottoming Entry Taper • Through Coolant 1/4" and Larger
Beyond™ Solid Carbide Forming Taps • Blind Holes
Metric
Inch
| SAP Material Number | 3483113 |
| ISO Catalog Number | T391NC#8-32R3BX |
| ANSI Catalog Number | T391NC#8-32R3BX |
| Grade | KC7542 |
| [D1-TDZ] Thread Diameter Size | 8 - 32 |
| [L] Overall Length | 60.0000 |
| [L] Overall Length | 2.360 |
| [L3] Thread Length | 7.0000 |
| [L3] Thread Length | .2800 |
| [L2] Useable Length | 16.0000 |
| [L2] Useable Length | .6300 |
| [D] Adapter / Shank / Bore Diameter | 6.35 |
| [D] Adapter / Shank / Bore Diameter | .25 |
| [Z] Number of Flutes | 4 |
| Number of Lube Grooves | 2 |
| Thread Tolerance Class ANSI | 3BX |
Workpiece Materials
P
Steel
Machine Side
loading...
Workpiece Side
loading...
| shank tolerance | |
| D | tolerance h6 + / - |
| 6 | +0, -0,008 |
| 810 | +0, -0,009 |
| 1216 | +0, -0,011 |
| shank tolerance | |
| D | tolerance h6 + / - |
| .250–.375 | +0, -.0004 |
| .438–.625 | +0, -.0004 |
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