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 Arbor, Drill Chuck, 1 Jt – 1 Mt, Jacobs (2 Available) $8.00 Read more Drill Chuck, 0-5/16″ Capacity, 1/2″-20 Mount, Jacobs $20.00 Read more Drill Chuck, Keyless, 0-3/8″, 5/8″ Straight Shank, Albrecht $65.00 Read more Drill Chuck, 5/8″ Capacity, Supreme w/ 40 NMTB 1″ End Mill Holder $50.00 Read more