Durable Drill Chuck Adaptor 1/2-20UNF Alloy Steel Connector Conversion

Feature: *Comes with aprons and bolts for better fixing on the machine. *High strength and hardness. *Easy to use. *Durable in use. Specification: *Material: alloy steel *Color: Gray *Drill Chuck Style: A: 1/2-20UNF B: 3/8-24UNF *Male Screw Diameter: 12.5mm/0.49 *Bottom Hole Diameter: 12.7mm/0.5 *Screw Length: approx. 20mm/0.79 Package Contents: 1* Drill Chuck Adaptor with Screw 1* Ring 1* Pin Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.