吊上、吊下、翻轉、牽拉等全方向式吊鋏，螺旋咬頭,無wu負fu荷he狀zhuang態tai下xia鋏jia也ye確que實shi緊jin閉bi，負fu荷he中zhong耐nai震zhen性xing強qiang。吊diao上shang荷he重zhong能neng按an比bi例li地di增zeng強qiang鋏jia具ju的de夾jia力li。咬yao頭tou和he墊dian片pian的de替ti換huan非fei常chang簡jian單dan吊diao上shang物wu時shi，要yao使shi吊diao物wu和he墊dian片pian保bao持chi平ping衡heng
，再zai擰ning緊jin螺luo絲si。負fu荷he時shi，咬yao頭tou按an荷he重zhong，比bi例li地di傾qing斜xie，齒chi類lei牢lao固gu咬yao入ru堅jian實shi地di咬yao住zhu。用yong把ba手shou將jiang螺luo絲si擰ning緊jin，如ru為wei厚hou板ban
，重zhong物wu
，要yao用yong特te用yong的de螺luo旋xuan。