New In the tube Scientific Cutting Tools SPTM372 - 1/2" Solid Carbide Single Point thread mill.
Single Profile Thread Mill: 1/2-12 to 1/2-32, 12 to 32 TPI, Internal & External, 4 Flutes, Solid Carbide
Retail is over $60 each, so get them here for less.
Multiple available; listing is for 1 mill.
Free Shipping in the US.
Here are specs I found online:
Specifications
| Maximum Threads Per Inch | 32 |
| Minimum Threads Per Inch | 12 |
| Material | Solid Carbide |
| Thread Type | Internal; External |
| Thread Size | 1/2-12 - 1/2-32 |
| Shank Diameter (Inch) | 3/8 |
| Cutting Diameter (Decimal Inch) | 0.3720 |
| Overall Length (Decimal Inch) | 3.0000 |
| Overall Length (Inch) | 3 |
| Material Grade | Submicron |
| Neck Diameter (Decimal Inch) | 0.2400 |
| Neck Length (Decimal Inch) | 0.7500 |
| Number Of Flutes | 4 |
| Length Of Cut (Decimal Inch - 4 Decimals) | 0.8500 |
| Coating/Finish | Bright/Uncoated |
| UNSPSC Code | 23242117 |
| Country of Origin | UNITED STATES |