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.
One of the most hazardous operations in the shop is drilling holes in plastic or brass, especially in the drill press. Here is a simple technique to prevent drills from grabbing when drilling soft materials.