20Pcs Fixing Screw M5/M6 22mm Left Hand Thread for UNF Drill Chuck Shank Adapter

20pcs Fixing Screw M5 20mm M6 22mm Left Hand Thread for 1/2inch UNF 3/8inch UNF Drill Chuck Shank Adapter Specification: *Product Name: Drill Chuck Shank Adapter Screw *Material: Metal *Color: Black *Size: M5*22mm/M6*22mm(each 10pcs) *Quantity: 20pcs Package Included: 20pcs x Screws 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.