Home / Drilling & Tapping / Drill Chucks / Drill Chuck, 3/8″ Capacity, Threaded 1/2″ – 20, Jacobs NOS Drill Chuck, 3/8″ Capacity, Threaded 1/2″ – 20, Jacobs NOS$19.00 Category: Drill Chucks Description Description Jacobs 0 – 3/8″ Drill Chuck w/ 1/2″ 20 TPI Spindle Thread, Made in the USA Related products Drill Chuck, R-8, 3/8″ Capacity, Made in Taiwan $32.00 Read more Chuck, Quick Acting, Straight Shank, Gronkvist Chucken, Made in Sweden $49.00 Read more Drill Chuck, Keyless, 0-1/4″, Straight Shank, 1/2″, Rohm $30.00 Read more Drill Chuck, 1.5-13mm Capacity, 1/2″-20 Mount, Metabo $10.00 Read more