六角形螺母 meaning in Chinese

wrench head

Prevailing torque type all - metal hexagon nuts with flange
带法兰缘的常用扭矩型全金属六角形螺母
Square and hex nuts inch series
英制四角和六角形螺母
Screwing dies and dienuts - specification for dimensions of hexagon dienuts
螺丝板牙和螺母状板牙.六角形螺母状板牙尺寸规范
Prevailing torque type all - metal hexagon nuts , style 1 . property classes 5 , 8 and 10
1型长效扭矩型全金属六角形螺母. 5 , 8和10级别性能
Prevailing torque type all - metal hexagon nuts with flange with metric fine pitch thread
带法兰缘的通用扭矩全金属米制细牙螺纹的六角形螺母