Drill Chuck Arbor R8 Shank To Taper JT3 Adapter Collet Milling CNC

Arbor Fit All Drill Chucks With A 3JT Bore, Machine Tool With A R8 Spindle. R8 Shank To Jacobs Taper #3 Adapter. Long End Is R8, Short End Is 3JT. Key Way Size 5-3/8" Long Estimated . Unit Dim L (in).

eBay