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, Keyless, 1/2”, 3/4” shank, Jacobs $85.00 Read more Drill Chuck, 5/8″ Capacity, Supreme w/ 40 NMTB 1″ End Mill Holder $50.00 Read more Drill Chuck, 45 Taper Quick Change, 1/32″-5/8″ Rohm $75.00 Read more Drill Chuck, Universal Kwik Switch 30, 0-1/2″, Jacobs $49.00 Read more