website:https://www.jhmindustry.com/
Shanghai Jian & Mei Industry and Trade Co., Ltd. is the company which manufacture and export fasteners and metal hardware, founded in 2006, with import-export authority. Now, 80% products export to all over the world and 20% sell in domestic market.
Removing a broken bolt or stud can be extremely difficult but in some cases such as when the bolt head has been sheared off by sideways force it is possible to remove the remainder of the bolt using a left handed drill bit. Here we demonstrate how to remove a broken stud using the left handed drill bit method.