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, 45 Taper Quick Change, 1/32″-5/8″ Rohm $75.00 Read more Drill Chuck, Headstock, 1-1/4″ – 16 Threads, Jacobs 55B $85.00 Read more Chuck, Quick Acting, Straight Shank, Gronkvist Chucken, Made in Sweden $49.00 Read more Drill Chuck, 1.5-13mm Capacity, 1/2″-20 Mount, Metabo $10.00 Read more