在机械或电器上钻孔时，掉下的铁屑往往会落入机器内部、开关内或裸露电线接头等处，若不清除，有可能导致机件加速磨损甚至卡（堵）死，或导致短路以及造成安全隐患。受机器设备结构限制，要清除这些钻屑往往又不大容易，而且浪费工时人力。为此，我们采用一种防止钻屑散落的 When drilling holes in a machine or electrical appliance, the falling chips often fall into the interior of the machine, the switch or bare wire connectors, etc., and if not removed, may cause accelerated wear of the machine or even death of the card Short circuit and cause safety hazard. Due to the structure of the machinery and equipment, it is often not easy to remove these drill cuttings, which is also a waste of labor manpower. To this end, we use a kind to prevent drill bits scattered