Door Bolt 1. Material: steel,brass,Aluminum 2. Surface finish: polish,plating,wiredrawing 3. Size:2"3" ... whole country hardware tools, We professionally produce various of hinges, (door/window/furniture) bolts, ball catch. we have been engaged in ... "*34mm*1.7mm124645*210*2001636"*34mm*1.7mm124950*210*20022 Aluminum door bolts