Cheap And Discounts 6Pcs Fixing Screw M5/M6 22mm Head Tools Replacement For 1/2''UNF 3/8''UNF Drill Chuck Shank Adapter Metal Fixing Screw Wholesale. Buy Directly From Merchant Shop1103595174 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.