紧固套 meaning in English

adapter sleeve

Rolling bearings - adapter assemblies , adapter sleeves and withdrawal sleeves
滚动轴承.接头组件紧固套和退卸套
Thermoplastic - clamping sleeves for telecommunication cables ; dimensions
通信电缆用热塑性塑料紧固套.第1部分:尺寸
Bearing parts : rings , cages , seals , and rolling bodies , fastening sets
轴承零配件：套圈保持架密封件滚动体紧固套。
Thermoplastic - clamping sleeves for telecommunication cables ; allocation to the cables
通信电缆用热塑性塑料紧固套.第2部分:电缆的配置