Home / Drilling & Tapping / Drill Chucks / Drill Chuck, 0-5/16″ Capacity, 1/2″-20 Mount, Jacobs Drill Chuck, 0-5/16″ Capacity, 1/2″-20 Mount, Jacobs$20.00 Category: Drill Chucks Description Description Jacobs 30B Drill Chuck 0-5/16″ with 1/2″-20 Mount Related products Drill Chuck Arbor, Jig Bore to Jacobs Taper #2 $10.00 Read more Drill Chuck, Keyless, 3/16-3/4″ 3JT, Import, “NEW” $62.95 Read more Drill Chuck, 1.5-13mm Capacity, 1/2″-20 Mount, Metabo $10.00 Read more Drill Chuck, Morse Taper #1, 0-1/2″ Capacity, Jacobs 14N Ball Bearing Super $39.00 Read more