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Brand NEW – Never Used! Still in original Somma Tool factory box.
Genuine Somma Tool AS138DA408725 Automotive Threaded Shank Collet Chuck.
• 1-3/8\"-12 threaded shank • Uses 400DA Erickson double-angle collets • Capacity: 3/8\" to 1\" diameter • Adjustable stop screw + through-coolant capability • Knurled locknut with set screw • Overall length ~7.25\"–7.69\", hex 2.50\"
Perfect for automatic screw machines, multi-spindle lathes, turret lathes, and CNC setups requiring high-precision drilling/reaming.
Premium USA-made Somma Tool quality – far superior to generic imports.
![NEW Somma AS138DA408725 400DA Auto Shank Collet Chuck 1-3/8\](img-large/g/7NsAAeSwZoxp4-eK/s-l1600/NEW-Somma-AS138DA408725-400DA-Auto-Shank-Collet-Ch.jpg "NEW Somma AS138DA408725 400DA Auto Shank Collet Chuck 1-3/8\")
