| Manufacturer Part Number | I0447 |
| Diameter (Decimal Inch) | 0.3125" |
| Diameter (mm) | 7.94mm |
| Overall Length (Decimal Inch) | 2.7200" |
| Overall Length (mm) | 69.09mm |
| Thread Length (Decimal Inch) | 0.6690" |
| Thread Length (mm) | 16.99mm |
| Square Length (Decimal Inch) | 0.3800" |
| Square Length (mm) | 9.65mm |
| Shank Diameter (Decimal Inch) | 0.3180" |
| Shank Diameter (mm) | 8.08mm |
| Square Size (Decimal Inch) | 0.2380" |
| Square Size (mm) | 6.05mm |
| Neck Diameter (Decimal Inch) | 0.2340" |
| Neck Diameter (mm) | 5.94mm |
| Drill Size (Decimal Inch) | 0.2620" |
| Drill Size (mm) | 6.65mm |
| Useable Length (Decimal Inch) | 1.1260" |
| Useable Length (mm) | 28.60mm |
| Thread Diameter (Inch) | 5/16" |
| Threads Per Inch | 18 TPI |
| Number of Flutes | 3 |
| Pitch Limit | H7 |
| Series | I0 |
| Thread Series | UNC |
| Chamfer Type | Plug |
| Chamfer Length | 4P-5P |
| Finish | Steam Oxide |
| Material | HSSE-V3 |
| Blank Standard | 302A |
| Length/Diameter | 3xD |
| Shank Type | Square |
| Tap Type | Spiral Point Tap |
714.897.1700
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